Use-after-free vulnerability in Mozilla Firefox before 43.0 and Firefox ESR 38.x before 38.5 allows remote attackers to execute arbitrary code by triggering attempted use of a data channel that has been closed by a WebRTC function.

Update to latest upstream - Firefox 43

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for SeaMonkey fixes the following issues :

  - update to SeaMonkey 2.40 (bnc#959277)

  - requires NSS 3.20.2 to fix MFSA 2015-150/CVE-2015-7575     (bmo#1158489) MD5 signatures accepted within TLS 1.2     ServerKeyExchange in server signature

  - MFSA 2015-134/CVE-2015-7201/CVE-2015-7202 Miscellaneous     memory safety hazards

  - MFSA 2015-135/CVE-2015-7204 (bmo#1216130) Crash with     JavaScript variable assignment with unboxed objects

  - MFSA 2015-136/CVE-2015-7207 (bmo#1185256) Same-origin     policy violation using perfomance.getEntries and history     navigation

  - MFSA 2015-137/CVE-2015-7208 (bmo#1191423) Firefox allows     for control characters to be set in cookies

  - MFSA 2015-138/CVE-2015-7210 (bmo#1218326) Use-after-free     in WebRTC when datachannel is used after being destroyed

  - MFSA 2015-139/CVE-2015-7212 (bmo#1222809) Integer     overflow allocating extremely large textures

  - MFSA 2015-140/CVE-2015-7215 (bmo#1160890) Cross-origin     information leak through web workers error events

  - MFSA 2015-141/CVE-2015-7211 (bmo#1221444) Hash in data     URI is incorrectly parsed

  - MFSA 2015-142/CVE-2015-7218/CVE-2015-7219 (bmo#1194818,     bmo#1194820) DOS due to malformed frames in HTTP/2

  - MFSA 2015-143/CVE-2015-7216/CVE-2015-7217 (bmo#1197059,     bmo#1203078) Linux file chooser crashes on malformed     images due to flaws in Jasper library

  - MFSA 2015-144/CVE-2015-7203/CVE-2015-7220/CVE-2015-7221     (bmo#1201183, bmo#1178033, bmo#1199400)

SeaMonkey was updated to 2.40 (boo#959277) to fix security issues and bugs.

The following vulnerabilities were fixed :

  - CVE-2015-7575: MD5 signatures accepted within TLS 1.2     ServerKeyExchange in server signature

  - CVE-2015-7201/CVE-2015-7202: Miscellaneous memory safety     hazards

  - CVE-2015-7204: Crash with JavaScript variable assignment     with unboxed objects

  - CVE-2015-7207: Same-origin policy violation using     perfomance.getEntries and history navigation

  - CVE-2015-7208: Firefox allows for control characters to     be set in cookies

  - CVE-2015-7210: Use-after-free in WebRTC when datachannel     is used after being destroyed

  - CVE-2015-7212: Integer overflow allocating extremely     large textures

  - CVE-2015-7215: Cross-origin information leak through web     workers error events

  - CVE-2015-7211: Hash in data URI is incorrectly parsed

  - CVE-2015-7218/CVE-2015-7219: DOS due to malformed frames     in HTTP/2

  - CVE-2015-7216/CVE-2015-7217: Linux file chooser crashes     on malformed images due to flaws in Jasper library

  - CVE-2015-7203/CVE-2015-7220/CVE-2015-7221: Buffer     overflows found through code inspection

  - CVE-2015-7205: Underflow through code inspection

  - CVE-2015-7213: Integer overflow in MP4 playback in     64-bit versions

  - CVE-2015-7222: Integer underflow and buffer overflow     processing MP4 metadata in libstagefright

  - CVE-2015-7223: Privilege escalation vulnerabilities in     WebExtension APIs

  - CVE-2015-7214: Cross-site reading attack through data     and view-source URIs

The version of Firefox is prior to 43.0 and is affected by multiple vulnerabilities : 

 - Multiple unspecified memory corruption issues exist due to improper validation of user-supplied input. A remote attacker can exploit these issues by convincing a user to visit a specially crafted web page, resulting in the execution of arbitrary code. (CVE-2015-7201) 
 - Multiple unspecified memory corruption issues exist due to improper validation of user-supplied input. A remote attacker can exploit these issues by convincing a user to visit a specially crafted web page, resulting in the execution of arbitrary code. (CVE-2015-7202) 
 - An overflow condition exists in the 'LoadFontFamilyData()' function due to improper validation of user-supplied input. A remote attacker can exploit this to cause a buffer overflow, resulting in the execution of arbitrary code. (CVE-2015-7203) 
 - A flaw exists in the 'PropertyWriteNeedsTypeBarrier()' function due to improper handling of unboxed objects during JavaScript variable assignments. A remote attacker can exploit this to execute arbitrary code. (CVE-2015-7204) 
 - A flaw exists in the 'RtpHeaderParser::Parse()' function due to improper handling of RTP headers. An unauthenticated, remote attacker can exploit this, via specially crafted RTP headers, to execute arbitrary code. (CVE-2015-7205) 
 - A same-origin bypass vulnerability exists that is triggered after a redirect when the function is used alongside an iframe to host a page. An attacker can exploit this to gain access to cross-origin URL information. (CVE-2015-7207) 
 - The 'SetCookieInternal()' function improperly allows control characters (e.g. ASCII code 11) to be inserted into cookies. An attacker can exploit this to inject cookies. (CVE-2015-7208) 
 - A use-after-free error exists due to improper prevention of datachannel operations on closed PeerConnections. An attacker can exploit this to dereference already freed memory, resulting in the execution of arbitrary code. (CVE-2015-7210) 
 - A flaw exists in the 'ParseURI()' function due to improper handling of a hash (#) character in the 'data:' URI. An attacker can exploit this to spoof the URL bar. (CVE-2015-7211) 
 - An overflow condition exists in the 'AllocateForSurface()' function due to improper validation of user-supplied input when handling texture allocation in graphics operations. An attacker can exploit this to execute arbitrary code. (CVE-2015-7212) 
 - An integer overflow condition exists in the 'readMetaData()' function due to improper validation of user-supplied input when handling a specially crafted MP4 file. An attacker can exploit this to execute arbitrary code. (CVE-2015-7213) 
 - A same-origin bypass vulnerability exists due to improper handling of 'data:' and 'view-source:' URIs. An attacker can exploit this to read data from cross-site URLs and local files. (CVE-2015-7214) 
 - An information disclosure vulnerability exists due to improper handling of error events in web workers. An attacker can exploit this to gain access to sensitive cross-origin information. (CVE-2015-7215) 
 - The gdk-pixbuf configuration on Linux GNOME platforms incorrectly enables the JasPer decoder, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted JPEG 2000 image. (CVE-2015-7216) 
 - The gdk-pixbuf configuration on Linux GNOME platforms incorrectly enables the TGA decoder, which allows remote attackers to cause a denial of service (heap-based buffer overflow) via a crafted Truevision TGA image. (CVE-2015-7217) 
 - Multiple integer underflow conditions exist due to improper validation of user-supplied input when handling HTTP2 frames. An attacker can exploit these to crash the application, resulting in a denial of service. (CVE-2015-7218, CVE-2015-7219) 
 - An overflow condition exists in the 'XDRBuffer::grow()' function due to improper validation of user-supplied input. An attacker can exploit this to cause a buffer overflow, resulting in the execution of arbitrary code. (CVE-2015-7220) 
 - An overflow condition exists in the 'GrowCapacity()' function due to improper validation of user-supplied input. An attacker can exploit this to cause a buffer overflow, resulting in the execution of arbitrary code. (CVE-2015-7221) 
 - An integer underflow condition exists in the bundled version of libstagefright in the 'parseChunk()' function that is triggered when handling 'covr' chunks. An unauthenticated, remote attacker can exploit this, via specially crafted media content, to crash the application or execute arbitrary code. (CVE-2015-7222) 
 - A privilege escalation vulnerability exists in the Extension.jsm script due to a failure to restrict WebExtension APIs from being injected into documents without WebExtension principals. An attacker can exploit this to conduct a cross-site scripting attack, resulting in the execution of arbitrary script code in a user's browser session. (CVE-2015-7223)

Mozilla Thunderbird was updated to 38.5.0 to fix multiple security issues.

The following vulnerabilities were fixed: (boo#959277)

  - CVE-2015-7201: Miscellaneous memory safety hazards

  - CVE-2015-7210: Use-after-free in WebRTC when datachannel     is used after being destroyed

  - CVE-2015-7212: Integer overflow allocating extremely     large textures

  - CVE-2015-7205: Underflow through code inspection

  - CVE-2015-7213: Integer overflow in MP4 playback in     64-bit versions

  - CVE-2015-7222: Integer underflow and buffer overflow     processing MP4 metadata in libstagefright

  - CVE-2015-7214: Cross-site reading attack through data     and view-source URIs

The remote host is affected by the vulnerability described in GLSA-201512-10 (Mozilla Products: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in Mozilla Firefox and       Mozilla Thunderbird. Please review the CVE identifiers referenced below       for details.
  Impact :

    A remote attacker could entice a user to view a specially crafted web       page or email, possibly resulting in execution of arbitrary code or a       Denial of Service condition.
  Workaround :

    There is no known workaround at this time.

Mozilla Firefox was updated to version 38.5.0 ESR.

It fixes the following security issues :

  - MFSA 2015-134/CVE-2015-7201/CVE-2015-7202 Miscellaneous     memory safety hazards (rv:43.0 / rv:38.5)

  - MFSA 2015-138/CVE-2015-7210 Use-after-free in WebRTC     when datachannel is used after being destroyed

  - MFSA 2015-139/CVE-2015-7212 Integer overflow allocating     extremely large textures

  - MFSA 2015-145/CVE-2015-7205 Underflow through code     inspection

  - MFSA 2015-146/CVE-2015-7213 Integer overflow in MP4     playback in 64-bit versions

  - MFSA 2015-147/CVE-2015-7222 Integer underflow and buffer     overflow processing MP4 metadata in libstagefright

  - MFSA 2015-149/CVE-2015-7214 Cross-site reading attack     through data and view-source URIs

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Mozilla Firefox was updated to version 38.5.0 ESR to fix the following issues :

  - MFSA 2015-134/CVE-2015-7201/CVE-2015-7202 Miscellaneous     memory safety hazards (rv:43.0 / rv:38.5)

  - MFSA 2015-138/CVE-2015-7210 A use-after-free in WebRTC     when datachannel is used after being destroyed

  - MFSA 2015-139/CVE-2015-7212 An integer overflow     allocating extremely large textures

  - MFSA 2015-145/CVE-2015-7205 A underflow found through     code inspection

  - MFSA 2015-146/CVE-2015-7213 A integer overflow in MP4     playback in 64-bit versions

  - MFSA 2015-147/CVE-2015-7222 Integer underflow and buffer     overflow processing MP4 metadata in libstagefright

  - MFSA 2015-149/CVE-2015-7214 Cross-site reading attack     through data and view-source URIs

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Mozilla Firefox was updated to version 38.5.0 esr to fix the following issues :

Following security issues were fixed :

  - MFSA 2015-134/CVE-2015-7201/CVE-2015-7202 Miscellaneous     memory safety hazards (rv:43.0 / rv:38.5)

  - MFSA 2015-138/CVE-2015-7210 Use-after-free in WebRTC     when datachannel is used after being destroyed

  - MFSA 2015-139/CVE-2015-7212 Integer overflow allocating     extremely large textures

  - MFSA 2015-145/CVE-2015-7205 Underflow through code     inspection

  - MFSA 2015-146/CVE-2015-7213 Integer overflow in MP4     playback in 64-bit versions

  - MFSA 2015-147/CVE-2015-7222 Integer underflow and buffer     overflow processing MP4 metadata in libstagefright

  - MFSA 2015-149/CVE-2015-7214 Cross-site reading attack     through data and view-source URIs

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Xulrunner was updated to 38.5.0 to fix several security issues.

The following vulnerabilities were fixed (boo#959277) :

  - CVE-2015-7201: Miscellaneous memory safety hazards

  - CVE-2015-7210: Use-after-free in WebRTC when datachannel     is used after being destroyed

  - CVE-2015-7212: Integer overflow allocating extremely     large textures

  - CVE-2015-7205: Underflow through code inspection

  - CVE-2015-7213: Integer overflow in MP4 playback in     64-bit versions

  - CVE-2015-7222: Integer underflow and buffer overflow     processing MP4 metadata in libstagefright

  - CVE-2015-7214: Cross-site reading attack through data     and view-source URIs

This update for MozillaFirefox fixes the following security issues :

  - MFSA 2015-134/CVE-2015-7201/CVE-2015-7202 Miscellaneous     memory safety hazards

  - MFSA 2015-135/CVE-2015-7204 (bmo#1216130) Crash with     JavaScript variable assignment with unboxed objects

  - MFSA 2015-136/CVE-2015-7207 (bmo#1185256) Same-origin     policy violation using perfomance.getEntries and history     navigation

  - MFSA 2015-137/CVE-2015-7208 (bmo#1191423) Firefox allows     for control characters to be set in cookies

  - MFSA 2015-138/CVE-2015-7210 (bmo#1218326) Use-after-free     in WebRTC when datachannel is used after being destroyed

  - MFSA 2015-139/CVE-2015-7212 (bmo#1222809) Integer     overflow allocating extremely large textures

  - MFSA 2015-140/CVE-2015-7215 (bmo#1160890) Cross-origin     information leak through web workers error events

  - MFSA 2015-141/CVE-2015-7211 (bmo#1221444) Hash in data     URI is incorrectly parsed

  - MFSA 2015-142/CVE-2015-7218/CVE-2015-7219 (bmo#1194818,     bmo#1194820) DOS due to malformed frames in HTTP/2

  - MFSA 2015-143/CVE-2015-7216/CVE-2015-7217 (bmo#1197059,     bmo#1203078) Linux file chooser crashes on malformed     images due to flaws in Jasper library

  - MFSA 2015-144/CVE-2015-7203/CVE-2015-7220/CVE-2015-7221     (bmo#1201183, bmo#1178033, bmo#1199400) Buffer overflows     found through code inspection

  - MFSA 2015-145/CVE-2015-7205 (bmo#1220493) Underflow     through code inspection

  - MFSA 2015-146/CVE-2015-7213 (bmo#1206211) Integer     overflow in MP4 playback in 64-bit versions

  - MFSA 2015-147/CVE-2015-7222 (bmo#1216748) Integer     underflow and buffer overflow processing MP4 metadata in     libstagefright

  - MFSA 2015-148/CVE-2015-7223 (bmo#1226423) Privilege     escalation vulnerabilities in WebExtension APIs

  - MFSA 2015-149/CVE-2015-7214 (bmo#1228950) Cross-site     reading attack through data and view-source URIs

Several flaws were found in the processing of malformed web content. A web page containing malicious content could cause Firefox to crash or, potentially, execute arbitrary code with the privileges of the user running Firefox. (CVE-2015-7201, CVE-2015-7205, CVE-2015-7210, CVE-2015-7212, CVE-2015-7213, CVE-2015-7222)

A flaw was found in the way Firefox handled content using the 'data:' and 'view-source:' URIs. An attacker could use this flaw to bypass the same- origin policy and read data from cross-site URLs and local files. (CVE-2015-7214)

5.0 ESR, which corrects these issues. After installing the update, Firefox must be restarted for the changes to take effect.

The version of Firefox installed on the remote Windows host is prior to 43. It is, therefore, affected by the following vulnerabilities :

  - Multiple unspecified memory corruption issues exist due     to improper validation of user-supplied input. A remote     attacker can exploit these issues by convincing a user     to visit a specially crafted web page, resulting in the     execution of arbitrary code. (CVE-2015-7201)

  - Multiple unspecified memory corruption issues exist due     to improper validation of user-supplied input. A remote     attacker can exploit these issues by convincing a user     to visit a specially crafted web page, resulting in the     execution of arbitrary code. (CVE-2015-7202)

  - An overflow condition exists in the LoadFontFamilyData()     function due to improper validation of user-supplied     input. A remote attacker can exploit this to cause a     buffer overflow, resulting in the execution of arbitrary     code. (CVE-2015-7203)

  - A flaw exists in the PropertyWriteNeedsTypeBarrier()     function due to improper handling of unboxed objects     during JavaScript variable assignments. A remote     attacker can exploit this to execute arbitrary code.
    (CVE-2015-7204)

  - A flaw exists in the RtpHeaderParser::Parse() function     due to improper handling of RTP headers. An     unauthenticated, remote attacker can exploit this, via     specially crafted RTP headers, to execute arbitrary     code. (CVE-2015-7205)

  - A same-origin bypass vulnerability exists that is     triggered after a redirect when the function is used     alongside an iframe to host a page. An attacker can     exploit this to gain access to cross-origin URL     information. (CVE-2015-7207)

  - The SetCookieInternal() function improperly allows     control characters (e.g. ASCII code 11) to be inserted     into cookies. An attacker can exploit this to inject     cookies. (CVE-2015-7208)

  - A use-after-free error exists due to improper prevention     of datachannel operations on closed PeerConnections. An     attacker can exploit this to dereference already freed     memory, resulting in the execution of arbitrary code.
    (CVE-2015-7210)

  - A flaw exists in the ParseURI() function due to improper     handling of a hash (#) character in the data: URI. An     attacker can exploit this to spoof the URL bar.
    (CVE-2015-7211)

  - An overflow condition exists in the AllocateForSurface()     function due to improper validation of user-supplied     input when handling texture allocation in graphics     operations. An attacker can exploit this to execute     arbitrary code. (CVE-2015-7212)

  - An integer overflow condition exists in the     readMetaData() function due to improper validation of     user-supplied input when handling a specially crafted     MP4 file. An attacker can exploit this to execute     arbitrary code. (CVE-2015-7213)

  - A same-origin bypass vulnerability exists due to     improper handling of 'data:' and 'view-source:' URIs. An     attacker can exploit this to read data from cross-site     URLs and local files. (CVE-2015-7214)

  - An information disclosure vulnerability exists due to     improper handling of error events in web workers. An     attacker can exploit this to gain access to sensitive     cross-origin information. (CVE-2015-7215)

  - Multiple integer underflow conditions exist due to     improper  validation of user-supplied input when     handling HTTP2 frames. An attacker can exploit these to     crash the application, resulting in a denial of service.
    (CVE-2015-7218, CVE-2015-7219)

  - An overflow condition exists in the XDRBuffer::grow()     function due to improper validation of user-supplied     input. An attacker can exploit this to cause a buffer     overflow, resulting in the execution of arbitrary code.
    (CVE-2015-7220)

  - An overflow condition exists in the GrowCapacity()     function due to improper validation of user-supplied     input. An attacker can exploit this to cause a buffer     overflow, resulting in the execution of arbitrary code.
    (CVE-2015-7221)

  - An integer underflow condition exists in the bundled     version of libstagefright in the parseChunk() function     that is triggered when handling 'covr' chunks. An     unauthenticated, remote attacker can exploit this, via     specially crafted media content, to crash the     application or execute arbitrary code. (CVE-2015-7222)

  - A privilege escalation vulnerability exists in the     Extension.jsm script due to a failure to restrict     WebExtension APIs from being injected into documents     without WebExtension principals. An attacker can exploit     this to conduct a cross-site scripting attack, resulting     in the execution of arbitrary script code in a user's     browser session. (CVE-2015-7223)

The version of Firefox ESR installed on the remote Windows host is prior to 38.5. It is, therefore, affected by the following vulnerabilities :

  - Multiple unspecified memory corruption issues exist due     to improper validation of user-supplied input. A remote     attacker can exploit these issues by convincing a user     to visit a specially crafted web page, resulting in the     execution of arbitrary code. (CVE-2015-7201)

  - A flaw exists in the RtpHeaderParser::Parse() function     due to improper handling of RTP headers. An     unauthenticated, remote attacker can exploit this, via     specially crafted RTP headers, to execute arbitrary     code. (CVE-2015-7205)

  - A use-after-free error exists due to improper prevention     of datachannel operations on closed PeerConnections. An     attacker can exploit this to dereference already freed     memory, resulting in the execution of arbitrary code.
    (CVE-2015-7210)

  - An overflow condition exists in the AllocateForSurface()     function due to improper validation of user-supplied     input when handling texture allocation in graphics     operations. An attacker can exploit this to execute     arbitrary code. (CVE-2015-7212)

  - An integer overflow condition exists in the     readMetaData() function due to improper validation of     user-supplied input when handling a specially crafted     MP4 file. An attacker can exploit this to execute     arbitrary code. (CVE-2015-7213)

  - A same-origin bypass vulnerability exists due to     improper handling of 'data:' and 'view-source:' URIs. An     attacker can exploit this to read data from cross-site     URLs and local files. (CVE-2015-7214)

  - An integer underflow condition exists in the bundled     version of libstagefright in the parseChunk() function     that is triggered when handling 'covr' chunks. An     unauthenticated, remote attacker can exploit this, via     specially crafted media content, to crash the     application or execute arbitrary code. (CVE-2015-7222)

The version of Firefox installed on the remote Mac OS X host is prior to 43. It is, therefore, affected by the following vulnerabilities :

  - Multiple unspecified memory corruption issues exist due     to improper validation of user-supplied input. A remote     attacker can exploit these issues by convincing a user     to visit a specially crafted web page, resulting in the     execution of arbitrary code. (CVE-2015-7201)

  - Multiple unspecified memory corruption issues exist due     to improper validation of user-supplied input. A remote     attacker can exploit these issues by convincing a user     to visit a specially crafted web page, resulting in the     execution of arbitrary code. (CVE-2015-7202)

  - An overflow condition exists in the LoadFontFamilyData()     function due to improper validation of user-supplied     input. A remote attacker can exploit this to cause a     buffer overflow, resulting in the execution of arbitrary     code. (CVE-2015-7203)

  - A flaw exists in the PropertyWriteNeedsTypeBarrier()     function due to improper handling of unboxed objects     during JavaScript variable assignments. A remote     attacker can exploit this to execute arbitrary code.
    (CVE-2015-7204)

  - A flaw exists in the RtpHeaderParser::Parse() function     due to improper handling of RTP headers. An     unauthenticated, remote attacker can exploit this, via     specially crafted RTP headers, to execute arbitrary     code. (CVE-2015-7205)

  - A same-origin bypass vulnerability exists that is     triggered after a redirect when the function is used     alongside an iframe to host a page. An attacker can     exploit this to gain access to cross-origin URL     information. (CVE-2015-7207)

  - The SetCookieInternal() function improperly allows     control characters (e.g. ASCII code 11) to be inserted     into cookies. An attacker can exploit this to inject     cookies. (CVE-2015-7208)

  - A use-after-free error exists due to improper prevention     of datachannel operations on closed PeerConnections. An     attacker can exploit this to dereference already freed     memory, resulting in the execution of arbitrary code.
    (CVE-2015-7210)

  - A flaw exists in the ParseURI() function due to improper     handling of a hash (#) character in the data: URI. An     attacker can exploit this to spoof the URL bar.
    (CVE-2015-7211)

  - An integer overflow condition exists in the     readMetaData() function due to improper validation of     user-supplied input when handling a specially crafted     MP4 file. An attacker can exploit this to execute     arbitrary code. (CVE-2015-7213)

  - A same-origin bypass vulnerability exists due to     improper handling of 'data:' and 'view-source:' URIs. An     attacker can exploit this to read data from cross-site     URLs and local files. (CVE-2015-7214)

  - An information disclosure vulnerability exists due to     improper handling of error events in web workers. An     attacker can exploit this to gain access to sensitive     cross-origin information. (CVE-2015-7215)

  - Multiple integer underflow conditions exist due to     improper  validation of user-supplied input when     handling HTTP2 frames. An attacker can exploit these to     crash the application, resulting in a denial of service.
    (CVE-2015-7218, CVE-2015-7219)

  - An overflow condition exists in the XDRBuffer::grow()     function due to improper validation of user-supplied     input. An attacker can exploit this to cause a buffer     overflow, resulting in the execution of arbitrary code.
    (CVE-2015-7220)

  - An overflow condition exists in the GrowCapacity()     function due to improper validation of user-supplied     input. An attacker can exploit this to cause a buffer     overflow, resulting in the execution of arbitrary code.
    (CVE-2015-7221)

  - An integer underflow condition exists in the bundled     version of libstagefright in the parseChunk() function     that is triggered when handling 'covr' chunks. An     unauthenticated, remote attacker can exploit this, via     specially crafted media content, to crash the     application or execute arbitrary code. (CVE-2015-7222)

  - A privilege escalation vulnerability exists in the     Extension.jsm script due to a failure to restrict     WebExtension APIs from being injected into documents     without WebExtension principals. An attacker can exploit     this to conduct a cross-site scripting attack, resulting     in the execution of arbitrary script code in a user's     browser session. (CVE-2015-7223)

The version of Firefox ESR installed on the remote Mac OS X host is prior to 38.5. It is, therefore, affected by the following vulnerabilities :

  - Multiple unspecified memory corruption issues exist due     to improper validation of user-supplied input. A remote     attacker can exploit these issues by convincing a user     to visit a specially crafted web page, resulting in the     execution of arbitrary code. (CVE-2015-7201)

  - A flaw exists in the RtpHeaderParser::Parse() function     due to improper handling of RTP headers. An     unauthenticated, remote attacker can exploit this, via     specially crafted RTP headers, to execute arbitrary     code. (CVE-2015-7205)

  - A use-after-free error exists due to improper prevention     of datachannel operations on closed PeerConnections. An     attacker can exploit this to dereference already freed     memory, resulting in the execution of arbitrary code.
    (CVE-2015-7210)

  - An overflow condition exists in the AllocateForSurface()     function due to improper validation of user-supplied     input when handling texture allocation in graphics     operations. An attacker can exploit this to execute     arbitrary code. (CVE-2015-7212)

  - An integer overflow condition exists in the     readMetaData() function due to improper validation of     user-supplied input when handling a specially crafted     MP4 file. An attacker can exploit this to execute     arbitrary code. (CVE-2015-7213)

  - A same-origin bypass vulnerability exists due to     improper handling of 'data:' and 'view-source:' URIs. An     attacker can exploit this to read data from cross-site     URLs and local files. (CVE-2015-7214)

  - An integer underflow condition exists in the bundled     version of libstagefright in the parseChunk() function     that is triggered when handling 'covr' chunks. An     unauthenticated, remote attacker can exploit this, via     specially crafted media content, to crash the     application or execute arbitrary code. (CVE-2015-7222)

Updated firefox packages that fix multiple security issues are now available for Red Hat Enterprise Linux 5, 6, and 7.

Red Hat Product Security has rated this update as having Critical security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.

Mozilla Firefox is an open source web browser. XULRunner provides the XUL Runtime environment for Mozilla Firefox.

Several flaws were found in the processing of malformed web content. A web page containing malicious content could cause Firefox to crash or, potentially, execute arbitrary code with the privileges of the user running Firefox. (CVE-2015-7201, CVE-2015-7205, CVE-2015-7210, CVE-2015-7212, CVE-2015-7213, CVE-2015-7222)

A flaw was found in the way Firefox handled content using the 'data:' and 'view-source:' URIs. An attacker could use this flaw to bypass the same-origin policy and read data from cross-site URLs and local files.
(CVE-2015-7214)

Red Hat would like to thank the Mozilla project for reporting these issues. Upstream acknowledges Andrei Vaida, Jesse Ruderman, Bob Clary, Looben Yang, Abhishek Arya, Ronald Crane, Gerald Squelart, and Tsubasa Iinuma as the original reporters of these issues.

All Firefox users should upgrade to these updated packages, which contain Firefox version 38.5.0 ESR, which corrects these issues. After installing the update, Firefox must be restarted for the changes to take effect.

From Red Hat Security Advisory 2015:2657 :

Updated firefox packages that fix multiple security issues are now available for Red Hat Enterprise Linux 5, 6, and 7.

Red Hat Product Security has rated this update as having Critical security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.

Mozilla Firefox is an open source web browser. XULRunner provides the XUL Runtime environment for Mozilla Firefox.

Several flaws were found in the processing of malformed web content. A web page containing malicious content could cause Firefox to crash or, potentially, execute arbitrary code with the privileges of the user running Firefox. (CVE-2015-7201, CVE-2015-7205, CVE-2015-7210, CVE-2015-7212, CVE-2015-7213, CVE-2015-7222)

A flaw was found in the way Firefox handled content using the 'data:' and 'view-source:' URIs. An attacker could use this flaw to bypass the same-origin policy and read data from cross-site URLs and local files.
(CVE-2015-7214)

Red Hat would like to thank the Mozilla project for reporting these issues. Upstream acknowledges Andrei Vaida, Jesse Ruderman, Bob Clary, Looben Yang, Abhishek Arya, Ronald Crane, Gerald Squelart, and Tsubasa Iinuma as the original reporters of these issues.

All Firefox users should upgrade to these updated packages, which contain Firefox version 38.5.0 ESR, which corrects these issues. After installing the update, Firefox must be restarted for the changes to take effect.

Multiple security issues have been found in Iceweasel, Debian's version of the Mozilla Firefox web browser: Multiple memory safety errors, integer overflows, use-after-frees and other implementation errors may lead to the execution of arbitrary code, bypass of the same-origin policy or denial of service.

The remote Ubuntu 14.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-2833-1 advisory.

    Andrei Vaida, Jesse Ruderman, Bob Clary, Christian Holler, Jesse Ruderman, Eric Rahm, Robert Kaiser,     Harald Kirschner, and Michael Henretty discovered multiple memory safety issues in Firefox. If a user were     tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a     denial of service via application crash, or execute arbitrary code with the privileges of the user     invoking Firefox. (CVE-2015-7201, CVE-2015-7202)

    Ronald Crane discovered three buffer overflows through code inspection. If a user were tricked in to     opening a specially crafted website, an attacker could potentially exploit these to cause a denial of     service via application crash, or execute arbitrary code with the privileges of the user invoking Firefox.
    (CVE-2015-7203, CVE-2015-7220, CVE-2015-7221)

    Cajus Pollmeier discovered a crash during javascript variable assignments in some circumstances. If a user     were tricked in to opening a specially crafted website, an attacker could potentially exploit this to     execute arbitrary code with the privileges of the user invoking Firefox. (CVE-2015-7204)

    Ronald Crane discovered a buffer overflow through code inspection. If a user were tricked in to opening a     specially crafted website, an attacker could potentially exploit this to cause a denial of service via     application crash, or execute arbitrary code with the privileges of the user invoking Firefox.
    (CVE-2015-7205)

    It was discovered that it is possible to read cross-origin URLs following a redirect if     performance.getEntries() is used with an iframe to host a page. If a user were tricked in to opening a     specially crafted website, an attacker could potentially exploit this to bypass same-origin restrictions.
    (CVE-2015-7207)

    It was discovered that Firefox allows for control characters to be set in cookies. An attacker could     potentially exploit this to conduct cookie injection attacks on some web servers. (CVE-2015-7208)

    Looben Yang discovered a use-after-free in WebRTC when closing channels in some circumstances. If a user     were tricked in to opening a specially crafted website, an attacker could potentially exploit this to     cause a denial of service via application crash, or execute arbitrary code with the privileges of the user     invoking Firefox. (CVE-2015-7210)

    Abdulrahman Alqabandi discovered that hash symbol is incorrectly handled when parsing data: URLs. An     attacker could potentially exploit this to conduct URL spoofing attacks. (CVE-2015-7211)

    Abhishek Arya discovered an integer overflow when allocating large textures. If a user were tricked in to     opening a specially crafted website, an attacker could potentially exploit this to cause a denial of     service via application crash, or execute arbitrary code with the privileges of the user invoking Firefox.
    (CVE-2015-7212)

    Ronald Crane dicovered an integer overflow when processing MP4 format video in some circumstances. If a     user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to     cause a denial of service via application crash, or execute arbitrary code with the privileges of the user     invoking Firefox. (CVE-2015-7213)

    Tsubasa Iinuma discovered a way to bypass same-origin restrictions using data: and view-source: URLs. If a     user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to     obtain sensitive information and read local files. (CVE-2015-7214)

    Masato Kinugawa discovered a cross-origin information leak in error events in web workers. An attacker     could potentially exploit this to obtain sensitive information. (CVE-2015-7215)

    Gustavo Grieco discovered that the file chooser crashed on malformed images due to flaws in the Jasper     library. If a user were tricked in to opening a specially crafted website, an attacker could potentially     exploit this to cause a denial of service. (CVE-2015-7216, CVE-2015-7217)

    Stuart Larsen discoverd two integer underflows when handling malformed HTTP/2 frames in some     circumstances. If a user were tricked in to opening a specially crafted website, an attacker could     potentially exploit these to cause a denial of service via application crash. (CVE-2015-7218,     CVE-2015-7219)

    Gerald Squelart discovered an integer underflow in the libstagefright library when parsing MP4 format     video in some circumstances. If a user were tricked in to opening a specially crafted website, an attacker     could potentially exploit this to cause a denial of service via application crash, or execute arbitrary     code with the privileges of the user invoking Firefox. (CVE-2015-7222)

    Kris Maglione discovered a mechanism where web content could use WebExtension APIs to execute code with     the privileges of a particular WebExtension. If a user were tricked in to opening a specially crafted     website with a vulnerable extension installed, an attacker could potentially exploit this to obtain     sensitive information or conduct cross-site scripting (XSS) attacks. (CVE-2015-7223)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Mozilla Project reports :

MFSA 2015-134 Miscellaneous memory safety hazards (rv:43.0 / rv:38.5)

MFSA 2015-135 Crash with JavaScript variable assignment with unboxed objects

MFSA 2015-136 Same-origin policy violation using perfomance.getEntries and history navigation

MFSA 2015-137 Firefox allows for control characters to be set in cookies

MFSA 2015-138 Use-after-free in WebRTC when datachannel is used after being destroyed

MFSA 2015-139 Integer overflow allocating extremely large textures

MFSA 2015-140 Cross-origin information leak through web workers error events

MFSA 2015-141 Hash in data URI is incorrectly parsed

MFSA 2015-142 DOS due to malformed frames in HTTP/2

MFSA 2015-143 Linux file chooser crashes on malformed images due to flaws in Jasper library

MFSA 2015-144 Buffer overflows found through code inspection

MFSA 2015-145 Underflow through code inspection

MFSA 2015-146 Integer overflow in MP4 playback in 64-bit versions

MFSA 2015-147 Integer underflow and buffer overflow processing MP4 metadata in libstagefright

MFSA 2015-148 Privilege escalation vulnerabilities in WebExtension APIs

MFSA 2015-149 Cross-site reading attack through data and view-source URIs

ID	Name	Product	Family	Severity
89295	Fedora 22 : firefox-43.0-1.fc22 (2015-7ab3d3afcf)	Nessus	Fedora Local Security Checks	critical
89241	Fedora 23 : firefox-43.0-1.fc23 (2015-51b1105902)	Nessus	Fedora Local Security Checks	critical
88550	openSUSE Security Update : SeaMonkey (openSUSE-2016-129) (SLOTH)	Nessus	SuSE Local Security Checks	medium
88547	openSUSE Security Update : seamonkey (openSUSE-2016-126) (SLOTH)	Nessus	SuSE Local Security Checks	medium
9058	Mozilla Firefox < 43.0 Multiple Vulnerabilities	Nessus Network Monitor	Web Clients	critical
87716	openSUSE Security Update : Mozilla Thunderbird (openSUSE-2015-977)	Nessus	SuSE Local Security Checks	critical
87710	GLSA-201512-10 : Mozilla Products: Multiple vulnerabilities (Bar Mitzvah) (Logjam)	Nessus	Gentoo Local Security Checks	critical
87649	SUSE SLES11 Security Update : MozillaFirefox (SUSE-SU-2015:2336-1)	Nessus	SuSE Local Security Checks	critical
87648	SUSE SLED12 / SLES12 Security Update : MozillaFirefox (SUSE-SU-2015:2335-1)	Nessus	SuSE Local Security Checks	critical
87647	SUSE SLED11 / SLES11 Security Update : MozillaFirefox (SUSE-SU-2015:2334-1)	Nessus	SuSE Local Security Checks	critical
87635	openSUSE Security Update : xulrunner (openSUSE-2015-966)	Nessus	SuSE Local Security Checks	critical
87620	openSUSE Security Update : MozillaFirefox (openSUSE-2015-942)	Nessus	SuSE Local Security Checks	critical
87492	Scientific Linux Security Update : firefox on SL5.x, SL6.x i386/x86_64 (20151216)	Nessus	Scientific Linux Local Security Checks	critical
87476	Firefox < 43 Multiple Vulnerabilities	Nessus	Windows	critical
87475	Firefox ESR < 38.5 Multiple Vulnerabilities	Nessus	Windows	critical
87474	Firefox < 43 Multiple Vulnerabilities (Mac OS X)	Nessus	MacOS X Local Security Checks	critical
87473	Firefox ESR < 38.5 Multiple Vulnerabilities (Mac OS X)	Nessus	MacOS X Local Security Checks	critical
87455	RHEL 5 / 6 / 7 : firefox (RHSA-2015:2657)	Nessus	Red Hat Local Security Checks	critical
87450	Oracle Linux 5 / 6 / 7 : firefox (ELSA-2015-2657)	Nessus	Oracle Linux Local Security Checks	critical
87429	Debian DSA-3422-1 : iceweasel - security update	Nessus	Debian Local Security Checks	critical
87425	CentOS 5 / 6 / 7 : firefox (CESA-2015:2657)	Nessus	CentOS Local Security Checks	critical
87406	Ubuntu 14.04 LTS : Firefox vulnerabilities (USN-2833-1)	Nessus	Ubuntu Local Security Checks	medium
87385	FreeBSD : mozilla -- multiple vulnerabilities (2c2d1c39-1396-459a-91f5-ca03ee7c64c6)	Nessus	FreeBSD Local Security Checks	critical

Detections

Analytics

CVE-2015-7210

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Tenable Plugins

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