This plugin has been deprecated because the fix caused errors, and the replacement fix is versioned strangely. Run ubuntu_USN-2936-3.nasl, plugin id 91255, instead.

The version of Firefox installed on the remote Mac OS X host is prior to 46. It is, therefore, affected by multiple vulnerabilities :

  - Multiple memory corruption issues exist that allow an     attacker to corrupt memory, resulting in the execution     of arbitrary code. (CVE-2016-2804, CVE-2016-2806,     CVE-2016-2807)

  - A flaw exists due to improper validation of     user-supplied input when handling the 32-bit generation     count of the underlying HashMap. A context-dependent     attacker can exploit this to cause a buffer overflow     condition, resulting in a denial of service or the     execution of arbitrary code. (CVE-2016-2808)

  - A remote code execution vulnerability exists due to a     use-after-free error in the BeginReading() function. A     context-dependent attacker can exploit this to     dereference already freed memory, resulting in the     execution of arbitrary code. (CVE-2016-2811)

  - A remote code execution vulnerability exists due to a     race condition in ServiceWorkerManager in the get()     function. A context-dependent attacker can exploit this     to execute arbitrary code. (CVE-2016-2812)

  - A heap buffer overflow condition exists in the Google     Stagefright component due to improper validation of     user-supplied input when handling CENC offsets and the     sizes table. A context-dependent attacker can exploit     this to cause a denial of service condition or the     execution of arbitrary code. (CVE-2016-2814)

  - A security bypass vulnerability exists due to the     Content Security Policy (CSP) not being properly applied     to web content sent with the 'multipart/x-mixed-replace'     MIME-type. A context-dependent attacker can exploit this     to bypass CSP protection. (CVE-2016-2816)

  - A cross-site scripting (XSS) vulnerability exists due to     improper restriction of unprivileged 'javascript: URL'     navigation. A context-dependent attacker can exploit     this, via a specially crafted request, to execute     arbitrary script code in the context of a user's browser     session. (CVE-2016-2817)

  - A flaw exists in the Firefox Health Report that is     triggered when it accepts any content document events     that are presented in its iframe. A context-dependent     attacker can exploit this to manipulate sharing     preferences. (CVE-2016-2820)

The version of Firefox installed on the remote Windows host is prior to 46. It is, therefore, affected by multiple vulnerabilities :

  - Multiple memory corruption issues exist that allow an     attacker to corrupt memory, resulting in the execution     of arbitrary code. (CVE-2016-2804, CVE-2016-2806,     CVE-2016-2807)

  - A flaw exists due to improper validation of     user-supplied input when handling the 32-bit generation     count of the underlying HashMap. A context-dependent     attacker can exploit this to cause a buffer overflow     condition, resulting in a denial of service or the     execution of arbitrary code. (CVE-2016-2808)

  - A local privilege escalation vulnerability exists in the     Maintenance Service updater due to improper handling of     long log file paths. A local attacker can exploit this     to delete arbitrary files and gain elevated privileges.
    (CVE-2016-2809)

  - A remote code execution vulnerability exists due to a     use-after-free error in the BeginReading() function. A     context-dependent attacker can exploit this to     dereference already freed memory, resulting in the     execution of arbitrary code. (CVE-2016-2811)

  - A remote code execution vulnerability exists due to a     race condition in ServiceWorkerManager in the get()     function. A context-dependent attacker can exploit this     to execute arbitrary code. (CVE-2016-2812)

  - A heap buffer overflow condition exists in the Google     Stagefright component due to improper validation of     user-supplied input when handling CENC offsets and the     sizes table. A context-dependent attacker can exploit     this to cause a denial of service condition or the     execution of arbitrary code. (CVE-2016-2814)

  - A security bypass vulnerability exists due to the     Content Security Policy (CSP) not being properly applied     to web content sent with the 'multipart/x-mixed-replace'     MIME-type. A context-dependent attacker can exploit this     to bypass CSP protection. (CVE-2016-2816)

  - A cross-site scripting (XSS) vulnerability exists due to     improper restriction of unprivileged 'javascript: URL'     navigation. A context-dependent attacker can exploit     this, via a specially crafted request, to execute     arbitrary script code in the context of a user's browser     session. (CVE-2016-2817)

  - A flaw exists in the Firefox Health Report that is     triggered when it accepts any content document events     that are presented in its iframe. A context-dependent     attacker can exploit this to manipulate sharing     preferences. (CVE-2016-2820)

USN-2936-1 fixed vulnerabilities in Firefox. The update caused Firefox to crash on startup with the Oxygen GTK theme due to a pre-existing bug in the Oxygen-GTK3 theme engine. This update fixes the problem.

We apologize for the inconvenience.

Christian Holler, Tyson Smith, Phil Ringalda, Gary Kwong, Jesse Ruderman, Mats Palmgren, Carsten Book, Boris Zbarsky, David Bolter, Randell Jesup, Andrew McCreight, and Steve Fink 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-2016-2804, CVE-2016-2806, CVE-2016-2807)

An invalid write was discovered when using the JavaScript .watch() method 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-2016-2808)

Looben Yang discovered a use-after-free and buffer overflow in service workers. 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-2016-2811, CVE-2016-2812)

Sascha Just discovered a buffer overflow in libstagefright 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-2016-2814)

Muneaki Nishimura discovered that CSP is not applied correctly to web content sent with the multipart/x-mixed-replace MIME type. An attacker could potentially exploit this to conduct cross-site scripting (XSS) attacks when they would otherwise be prevented.
(CVE-2016-2816)

Muneaki Nishimura discovered that the chrome.tabs.update API for web extensions allows for navigation to javascript:
URLs. A malicious extension could potentially exploit this to conduct cross-site scripting (XSS) attacks.
(CVE-2016-2817)

Mark Goodwin discovered that about:healthreport accepts certain events from any content present in the remote-report iframe. If another vulnerability allowed the injection of web content in the remote-report iframe, an attacker could potentially exploit this to change the user's sharing preferences. (CVE-2016-2820).

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

Mozilla Foundation reports :

MFSA 2016-39 Miscellaneous memory safety hazards (rv:46.0 / rv:45.1 / rv:38.8)

MFSA 2016-42 Use-after-free and buffer overflow in Service Workers

MFSA 2016-44 Buffer overflow in libstagefright with CENC offsets

MFSA 2016-45 CSP not applied to pages sent with multipart/x-mixed-replace

MFSA 2016-46 Elevation of privilege with chrome.tabs.update API in web extensions

MFSA 2016-47 Write to invalid HashMap entry through JavaScript.watch()

MFSA 2016-48 Firefox Health Reports could accept events from untrusted domains

This update to Mozilla Firefox 46.0 fixes several security issues and bugs (boo#977333).

The following vulnerabilities were fixed :

  - CVE-2016-2804: Miscellaneous memory safety hazards -     MFSA 2016-39 (boo#977373)

  - CVE-2016-2806: Miscellaneous memory safety hazards -     MFSA 2016-39 (boo#977375)

  - CVE-2016-2807: Miscellaneous memory safety hazards -     MFSA 2016-39 (boo#977376)

  - CVE-2016-2808: Write to invalid HashMap entry through     JavaScript.watch() - MFSA 2016-47 (boo#977386)

  - CVE-2016-2811: Use-after-free in Service Worker - MFSA     2016-42 (boo#977379)

  - CVE-2016-2812: Buffer overflow in Service Worker - MFSA     2016-42 (boo#977379)

  - CVE-2016-2814: Buffer overflow in libstagefright with     CENC offsets - MFSA 2016-44 (boo#977381)

  - CVE-2016-2816: CSP not applied to pages sent with     multipart/x-mixed-replace - MFSA 2016-45 (boo#977382)

  - CVE-2016-2817: Elevation of privilege with     chrome.tabs.update API in web extensions - MFSA 2016-46     (boo#977384)

  - CVE-2016-2820: Firefox Health Reports could accept     events from untrusted domains - MFSA 2016-48     (boo#977388)

The following miscellaneous changes are included :

  - Improved security of the JavaScript Just In Time (JIT)     Compiler

  - WebRTC fixes to improve performance and stability

  - Added support for document.elementsFromPoint

  - Added HKDF support for Web Crypto API

The following changes from Mozilla Firefox 45.0.2 are included :

  - Fix an issue impacting the cookie header when     third-party cookies are blocked

  - Fix a web compatibility regression impacting the srcset     attribute of the image tag

  - Fix a crash impacting the video playback with Media     Source Extension

  - Fix a regression impacting some specific uploads

  - Fix a regression with the copy and paste with some old     versions of some Gecko applications like Thunderbird

The following changes from Mozilla Firefox 45.0.2 are included :

  - Fix a regression causing search engine settings to be     lost in some context

  - Bring back non-standard jar: URIs to fix a regression in     IBM iNotes

  - XSLTProcessor.importStylesheet was failing when import     was used

  - Fix an issue which could cause the list of search     provider to be empty

  - Fix a regression when using the location bar     (bmo#1254503)

  - Fix some loading issues when Accept third-party cookies:
    was set to Never

  - Disabled Graphite font shaping library

The minimum requirements increased to NSPR 4.12 and NSS 3.22.3.

Mozilla NSS was updated to 3.22.3 as a dependency for Mozilla Firefox 46.0, with the following changes :

  - Increase compatibility of TLS extended master secret,     don't send an empty TLS extension last in the handshake     (bmo#1243641)

  - RSA-PSS signatures are now supported

  - Pseudorandom functions based on hashes other than SHA-1     are now supported

  - Enforce an External Policy on NSS from a config file

The remote host is affected by the vulnerability described in GLSA-201701-15 (Mozilla Firefox, Thunderbird: Multiple vulnerabilities)

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

    A remote attacker could possibly execute arbitrary code with the       privileges of the process or cause a Denial of Service condition via       multiple vectors.
  Workaround :

    There is no known workaround at this time.

This update to Mozilla Firefox 46.0 fixes several security issues and bugs (boo#977333).

The following vulnerabilities were fixed :

  - CVE-2016-2804: Miscellaneous memory safety hazards -     MFSA 2016-39 (boo#977373)

  - CVE-2016-2806: Miscellaneous memory safety hazards -     MFSA 2016-39 (boo#977375)

  - CVE-2016-2807: Miscellaneous memory safety hazards -     MFSA 2016-39 (boo#977376)

  - CVE-2016-2808: Write to invalid HashMap entry through     JavaScript.watch()

  - MFSA 2016-47 (boo#977386)

  - CVE-2016-2811: Use-after-free in Service Worker - MFSA     2016-42 (boo#977379)

  - CVE-2016-2812: Buffer overflow in Service Worker - MFSA     2016-42 (boo#977379)

  - CVE-2016-2814: Buffer overflow in libstagefright with     CENC offsets - MFSA 2016-44 (boo#977381)

  - CVE-2016-2816: CSP not applied to pages sent with     multipart/x-mixed-replace - MFSA 2016-45 (boo#977382)

  - CVE-2016-2817: Elevation of privilege with     chrome.tabs.update API in web extensions - MFSA 2016-46     (boo#977384)

  - CVE-2016-2820: Firefox Health Reports could accept     events from untrusted domains - MFSA 2016-48     (boo#977388)

    The following miscellaneous changes are included :

  - Improved security of the JavaScript Just In Time (JIT)     Compiler

  - WebRTC fixes to improve performance and stability

  - Added support for document.elementsFromPoint

  - Added HKDF support for Web Crypto API

The minimum requirements increased to NSPR 4.12 and NSS 3.22.3.

Mozilla NSS was updated to 3.22.3 as a dependency for Mozilla Firefox 46.0, with the following changes :

  - Increase compatibility of TLS extended master secret,     don't send an empty TLS extension last in the handshake     (bmo#1243641)

  - RSA-PSS signatures are now supported

  - Pseudorandom functions based on hashes other than SHA-1     are now supported

  - Enforce an External Policy on NSS from a config file

Versions of Mozilla Firefox earlier than 46.0 are unpatched for the following vulnerabilities :

 - Multiple memory corruption issues exist that allow an attacker to corrupt memory, resulting in the execution of arbitrary code. (CVE-2016-2804, CVE-2016-2806, CVE-2016-2807)
 - A flaw exists due to improper validation of user-supplied input when handling the 32-bit generation count of the underlying HashMap.  A context-dependent attacker can exploit this to cause a buffer overflow condition, resulting in a denial of service or the execution of arbitrary code. (CVE-2016-2808)
 - A local privilege escalation vulnerability exists in the Maintenance Service updater due to improper handling of long log file paths.  A local attacker can exploit this to delete arbitrary files and gain elevated privileges. (CVE-2016-2809)
 - A remote code execution vulnerability exists due to a use-after-free error in the 'BeginReading()' function.  A context-dependent attacker can exploit this to dereference already freed memory, resulting in the execution of arbitrary code. (CVE-2016-2811)
 - A remote code execution vulnerability exists due to a race condition in 'ServiceWorkerManager' in the 'get()' function.  A context-dependent attacker can exploit this to execute arbitrary code. (CVE-2016-2812)
 - A heap buffer overflow condition exists in the Google Stagefright component due to improper validation of user-supplied input when handling CENC offsets and the sizes table.  A context-dependent attacker can exploit this to cause a denial of service condition or the execution of arbitrary code. (CVE-2016-2814)
 - A security bypass vulnerability exists due to the Content Security Policy (CSP) not being properly applied to web content sent with the 'multipart/x-mixed-replace' MIME-type.  A context-dependent attacker can exploit this to bypass CSP protection. (CVE-2016-2816)
 - A cross-site scripting (XSS) vulnerability exists due to improper restriction of unprivileged 'javascript: URL' navigation.  A context-dependent attacker can exploit this, via a specially crafted request, to execute arbitrary script code in the context of a user's browser session. (CVE-2016-2817)
 - A flaw exists in the Firefox Health Report that is triggered when it accepts any content document events that are presented in its iframe.  A context-dependent attacker can exploit this to manipulate sharing preferences. (CVE-2016-2820)

ID	Name	Product	Family	Published	Updated	Severity
90823	Ubuntu 12.04 LTS / 14.04 / 15.10 / 16.04 : firefox vulnerabilities (USN-2936-1) (deprecated)	Nessus	Ubuntu Local Security Checks	5/2/2016	6/13/2016	critical
90790	Firefox < 46 Multiple Vulnerabilities (Mac OS X)	Nessus	MacOS X Local Security Checks	4/29/2016	11/20/2019	high
90793	Firefox < 46 Multiple Vulnerabilities	Nessus	Windows	4/29/2016	11/20/2019	high
90855	Ubuntu 12.04 LTS : oxygen-gtk3 update (USN-2936-2)	Nessus	Ubuntu Local Security Checks	5/3/2016	1/12/2023	high
90741	FreeBSD : mozilla -- multiple vulnerabilities (92d44f83-a7bf-41cf-91ee-3d1b8ecf579f)	Nessus	FreeBSD Local Security Checks	4/27/2016	1/4/2021	high
90932	openSUSE Security Update : MozillaFirefox / mozilla-nss (openSUSE-2016-541)	Nessus	SuSE Local Security Checks	5/6/2016	1/19/2021	high
96276	GLSA-201701-15 : Mozilla Firefox, Thunderbird: Multiple vulnerabilities (SWEET32)	Nessus	Gentoo Local Security Checks	1/4/2017	6/22/2023	critical
91069	openSUSE Security Update : Firefox 46.0 (openSUSE-2016-566) (SWEET32)	Nessus	SuSE Local Security Checks	5/12/2016	1/19/2021	high
9380	Mozilla Firefox < 46.0 Multiple Vulnerabilities	Nessus Network Monitor	Web Clients	6/24/2016	3/6/2019	high

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