An update for flash-plugin is now available for Red Hat Enterprise Linux 5 Supplementary and Red Hat Enterprise Linux 6 Supplementary.

Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The flash-plugin package contains a Mozilla Firefox compatible Adobe Flash Player web browser plug-in.

This update upgrades Flash Player to version 11.2.202.616.

Security Fix(es) :

* This update fixes multiple vulnerabilities in Adobe Flash Player.
These vulnerabilities, detailed in the Adobe Security Bulletin listed in the References section, could allow an attacker to create a specially crafted SWF file that would cause flash-plugin to crash, execute arbitrary code, or disclose sensitive information when the victim loaded a page containing the malicious SWF content.
(CVE-2016-1006, CVE-2016-1011, CVE-2016-1012, CVE-2016-1013, CVE-2016-1014, CVE-2016-1015, CVE-2016-1016, CVE-2016-1017, CVE-2016-1018, CVE-2016-1019, CVE-2016-1020, CVE-2016-1021, CVE-2016-1022, CVE-2016-1023, CVE-2016-1024, CVE-2016-1025, CVE-2016-1026, CVE-2016-1027, CVE-2016-1028, CVE-2016-1029, CVE-2016-1030, CVE-2016-1031, CVE-2016-1032, CVE-2016-1033)

The version of Adobe Flash Player installed on the remote Windows host is prior or equal to version 21.0.0.197. It is, therefore, affected by multiple vulnerabilities :

  - An Address Space Layout Randomization (ASLR) bypass     vulnerability exists that allows an attacker to predict     memory offsets in the call stack. (CVE-2016-1006)

  - Multiple use-after-free errors exist that allow an     attacker to execute arbitrary code. (CVE-2016-1011,     CVE-2016-1013, CVE-2016-1016, CVE-2016-1017,     CVE-2016-1031)

  - Multiple memory corruption issues exist that allow an     attacker to execute arbitrary code. (CVE-2016-1012,     CVE-2016-1020, CVE-2016-1021, CVE-2016-1022,     CVE-2016-1023, CVE-2016-1024, CVE-2016-1025,     CVE-2016-1026, CVE-2016-1027, CVE-2016-1028,     CVE-2016-1029, CVE-2016-1032, CVE-2016-1033)

  - A directory search path vulnerability exists that allows     an attacker to disclose sensitive resources.
    (CVE-2016-1014)

  - Multiple type confusion errors exist that allow an     attacker to execute arbitrary code. (CVE-2016-1015,     CVE-2016-1019)

  - An overflow condition exists that is triggered when     handling JPEG-XR compressed image content. An attacker     can exploit this to execute arbitrary code.
    (CVE-2016-1018)

  - An unspecified security bypass vulnerability exists.
    (CVE-2016-1030)

The remote Windows host is missing KB3154132. It is, therefore, affected by multiple vulnerabilities :

  - An Address Space Layout Randomization (ASLR) bypass     vulnerability exists that allows an attacker to predict     memory offsets in the call stack. (CVE-2016-1006)

  - Multiple use-after-free errors exist that allow an     attacker to execute arbitrary code. (CVE-2016-1011,     CVE-2016-1013, CVE-2016-1016, CVE-2016-1017,     CVE-2016-1031)

  - Multiple memory corruption issues exist that allow an     attacker to execute arbitrary code. (CVE-2016-1012,     CVE-2016-1020, CVE-2016-1021, CVE-2016-1022,     CVE-2016-1023, CVE-2016-1024, CVE-2016-1025,     CVE-2016-1026, CVE-2016-1027, CVE-2016-1028,     CVE-2016-1029, CVE-2016-1032, CVE-2016-1033)

  - A directory search path vulnerability exists that allows     an attacker to disclose sensitive resources.
    (CVE-2016-1014)

  - Multiple type confusion errors exist that allow an     attacker to execute arbitrary code. (CVE-2016-1015,     CVE-2016-1019)

  - An overflow condition exists that is triggered when     handling JPEG-XR compressed image content. An attacker     can exploit this to execute arbitrary code.
    (CVE-2016-1018)

  - An unspecified security bypass vulnerability exists.
    (CVE-2016-1030)

This update for flash-player fixes the following issues :

  - Security update to 11.2.202.621 (bsc#979422) :

  - APSA16-02, APSB16-15, CVE-2016-1096, CVE-2016-1097,     CVE-2016-1098, CVE-2016-1099, CVE-2016-1100,     CVE-2016-1101, CVE-2016-1102, CVE-2016-1103,     CVE-2016-1104, CVE-2016-1105, CVE-2016-1106,     CVE-2016-1107, CVE-2016-1108, CVE-2016-1109,     CVE-2016-1110, CVE-2016-4108, CVE-2016-4109,     CVE-2016-4110, CVE-2016-4111, CVE-2016-4112,     CVE-2016-4113, CVE-2016-4114, CVE-2016-4115,     CVE-2016-4116, CVE-2016-4117

  - The following CVEs got fixed during the previous     release, but got published afterwards :

  - APSA16-01, APSB16-10, CVE-2016-1006, CVE-2016-1011,     CVE-2016-1012, CVE-2016-1013, CVE-2016-1014,     CVE-2016-1015, CVE-2016-1016, CVE-2016-1017,     CVE-2016-1018, CVE-2016-1019, CVE-2016-1020,     CVE-2016-1021, CVE-2016-1022, CVE-2016-1023,     CVE-2016-1024, CVE-2016-1025, CVE-2016-1026,     CVE-2016-1027, CVE-2016-1028, CVE-2016-1029,     CVE-2016-1030, CVE-2016-1031, CVE-2016-1032,     CVE-2016-1033

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.

The version of Adobe Flash Player installed on the remote Mac OS X host is prior or equal to version 21.0.0.197. It is, therefore, affected by multiple vulnerabilities :

  - An Address Space Layout Randomization (ASLR) bypass     vulnerability exists that allows an attacker to predict     memory offsets in the call stack. (CVE-2016-1006)

  - Multiple use-after-free errors exist that allow an     attacker to execute arbitrary code. (CVE-2016-1011,     CVE-2016-1013, CVE-2016-1016, CVE-2016-1017,     CVE-2016-1031)

  - Multiple memory corruption issues exist that allow an     attacker to execute arbitrary code. (CVE-2016-1012,     CVE-2016-1020, CVE-2016-1021, CVE-2016-1022,     CVE-2016-1023, CVE-2016-1024, CVE-2016-1025,     CVE-2016-1026, CVE-2016-1027, CVE-2016-1028,     CVE-2016-1029, CVE-2016-1032, CVE-2016-1033)

  - A directory search path vulnerability exists that allows     an attacker to disclose sensitive resources.
    (CVE-2016-1014)

  - Multiple type confusion errors exist that allow an     attacker to execute arbitrary code. (CVE-2016-1015,     CVE-2016-1019)

  - An overflow condition exists that is triggered when     handling JPEG-XR compressed image content. An attacker     can exploit this to execute arbitrary code.
    (CVE-2016-1018)

  - An unspecified security bypass vulnerability exists.
    (CVE-2016-1030)

Adobe reports :

These updates harden a mitigation against JIT spraying attacks that could be used to bypass memory layout randomization mitigations (CVE-2016-1006).

These updates resolve type confusion vulnerabilities that could lead to code execution (CVE-2016-1015, CVE-2016-1019).

These updates resolve use-after-free vulnerabilities that could lead to code execution (CVE-2016-1011, CVE-2016-1013, CVE-2016-1016, CVE-2016-1017, CVE-2016-1031).

These updates resolve memory corruption vulnerabilities that could lead to code execution (CVE-2016-1012, CVE-2016-1020, CVE-2016-1021, CVE-2016-1022, CVE-2016-1023, CVE-2016-1024, CVE-2016-1025, CVE-2016-1026, CVE-2016-1027, CVE-2016-1028, CVE-2016-1029, CVE-2016-1032, CVE-2016-1033).

These updates resolve a stack overflow vulnerability that could lead to code execution (CVE-2016-1018).

These updates resolve a security bypass vulnerability (CVE-2016-1030).

These updates resolve a vulnerability in the directory search path used to find resources that could lead to code execution (CVE-2016-1014).

This security update for flash-player to 11.2.202.621 fixes the following issues (boo#979422) :

A critical vulnerability (CVE-2016-4117) exists in Adobe Flash Player 21.0.0.226 and earlier versions for Windows, Macintosh, Linux, and Chrome OS. Successful exploitation could cause a crash and potentially allow an attacker to take control of the affected system. (APSA16-02)

https://helpx.adobe.com/security/products/flash-player/apsa16-02.html

Some CVEs were not listed in the last submission :

  - APSA16-01, APSB16-10, CVE-2016-1006, CVE-2016-1011,     CVE-2016-1012, CVE-2016-1013, CVE-2016-1014,     CVE-2016-1015, CVE-2016-1016, CVE-2016-1017,     CVE-2016-1018, CVE-2016-1019, CVE-2016-1020,     CVE-2016-1021, CVE-2016-1022, CVE-2016-1023,     CVE-2016-1024, CVE-2016-1025, CVE-2016-1026,     CVE-2016-1027, CVE-2016-1028, CVE-2016-1029,     CVE-2016-1030, CVE-2016-1031, CVE-2016-1032,     CVE-2016-1033

Versions of Adobe Flash Player prior to 11.2.202.616, 18.0.0.343, or 21.0.0.213 are outdated and thus unpatched for the following vulnerabilities :

 - A JIT Spraying Attack vulnerability exists that may allow a context-dependent attacker to disable the Address Space Layout Randomization (ASLR) feature, potentially allowing them to more easily conduct more severe attacks. (CVE-2016-1006)
 - A use-after-free error exists, which may allow a context-dependent attacker to dereference already freed memory and potentially execute arbitrary code. (CVE-2016-1011)
 - An unspecified flaw exists that is triggered as user-supplied input is not properly validated.  This may allow a context-dependent attacker to corrupt memory and potentially execute arbitrary code. (CVE-2016-1012)
 - An unspecified use-after-free error exists, which may allow a context-dependent attacker to dereference already freed memory and potentially execute arbitrary code. (CVE-2016-1013)
 - An unspecified flaw exists in the handling of directory search paths that may allow a context-dependent attacker to gain unauthorized access to potentially sensitive resources. (CVE-2016-1014)
 - A type confusion flaw exists that is triggered when handling AS2 NetConnection objects.  This may allow a context-dependent attacker to execute arbitrary code. (CVE-2016-1015)
 - A use-after-free error exists that is triggered when setting a special callback on the 'flash.geom.Matrix object'.  This may allow a context-dependent attacker to dereference already freed memory and execute arbitrary code. (CVE-2016-1016)
 - A use-after-free error exists that is triggered during 'LoadVars.decode' handling.  This may allow a context-dependent attacker to dereference already freed memory and execute arbitrary code. (CVE-2016-1017)
 - An overflow condition exists that is triggered when handling JPEG-XR compressed image content.  The issue lies in the failure to properly check that an index is within the bounds of a buffer.  An attacker can leverage this vulnerability to execute arbitrary code under the context of the current process. (CVE-2016-1018)
 - A type confusion flaw exists in the ASnative API that may allow a context-dependent attacker to potentially execute arbitrary code.  Adobe states that this issue is being actively exploited against systems running Windows.  Current exploits only target version 20.0.0.306 and earlier due to a mitigation implemented in version 21.0.0.182 and later. (CVE-2016-1019)
 - A number of unspecified flaws exists that are triggered as user-supplied input is not properly validated.  This may allow a context-dependent attacker to corrupt memory and potentially execute arbitrary code. (CVE-2016-1020, CVE-2016-1021, CVE-2016-1022, CVE-2016-1023, CVE-2016-1024, CVE-2016-1025, CVE-2016-1026, CVE-2016-1027, CVE-2016-1028, CVE-2016-1029, CVE-2016-1032, CVE-2016-1033)
 - An unspecified flaw exists that may allow a context-dependent attacker to bypass security features.  No further details have been provided by the vendor. (CVE-2016-1030)
 - A use-after-free error exists, which may allow a context-dependent attacker to dereference already freed memory and potentially execute arbitrary code.  No further details have been provided by the vendor.(CVE-2016-1031)

ID	Name	Product	Family	Published	Updated	Severity
90490	RHEL 5 / 6 : flash-plugin (RHSA-2016:0610)	Nessus	Red Hat Local Security Checks	4/13/2016	4/25/2023	critical
90425	Adobe Flash Player <= 21.0.0.197 Multiple Vulnerabilities (APSB16-10)	Nessus	Windows	4/8/2016	4/25/2023	critical
90443	MS16-050: Security Update for Adobe Flash Player (3154132)	Nessus	Windows : Microsoft Bulletins	4/12/2016	4/25/2023	critical
91217	SUSE SLED12 Security Update : flash-player (SUSE-SU-2016:1305-1)	Nessus	SuSE Local Security Checks	5/18/2016	3/8/2022	critical
90426	Adobe Flash Player for Mac <= 21.0.0.197 Multiple Vulnerabilities (APSB16-10)	Nessus	MacOS X Local Security Checks	4/8/2016	4/25/2023	critical
91696	FreeBSD : flash -- multiple vulnerabilities (07888b49-35c4-11e6-8e82-002590263bf5)	Nessus	FreeBSD Local Security Checks	6/20/2016	3/8/2022	critical
91178	openSUSE Security Update : flash-player (openSUSE-2016-585)	Nessus	SuSE Local Security Checks	5/17/2016	3/8/2022	critical
9276	Flash Player < 11.2.202.616 / 18.0.0.343 / 21.0.0.213 Multiple Vulnerabilities (APSB16-10)	Nessus Network Monitor	Web Clients	5/20/2016	3/6/2019	critical

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