RHSA-2015:1086 - Security Advisory

Topic

An updated Adobe Flash Player package that fixes multiple security issues
is now available for Red Hat Enterprise Linux 5 and 6 Supplementary.

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.

Description

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

This update fixes multiple vulnerabilities in Adobe Flash Player. These
vulnerabilities are detailed in the Adobe Security Bulletin APSB15-11
listed in the References section.

Multiple flaws were found in the way flash-plugin displayed certain SWF
content. An attacker could use these flaws to create a specially crafted
SWF file that would cause flash-plugin to crash or, potentially, execute
arbitrary code when the victim loaded a page containing the malicious SWF
content. (CVE-2015-3100, CVE-2015-3103, CVE-2015-3104, CVE-2015-3105,
CVE-2015-3106, CVE-2015-3107)

Multiple security bypass flaws were found in flash-plugin that could lead
to the disclosure of sensitive information. (CVE-2015-3096, CVE-2015-3098,
CVE-2015-3099, CVE-2015-3102)

A memory information leak flaw was found in flash-plugin that could
allow an attacker to potentially bypass ASLR (Address Space Layout
Randomization) protection, and make it easier to exploit other flaws.
(CVE-2015-3108)

All users of Adobe Flash Player should install this updated package, which
upgrades Flash Player to version 11.2.202.466.

Solution

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat Enterprise Linux Server 6 x86_64
• Red Hat Enterprise Linux Server 6 i386
• Red Hat Enterprise Linux Server 5 x86_64
• Red Hat Enterprise Linux Server 5 i386
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 6.6 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 6.6 i386
• Red Hat Enterprise Linux Workstation 6 x86_64
• Red Hat Enterprise Linux Workstation 6 i386
• Red Hat Enterprise Linux Workstation 5 x86_64
• Red Hat Enterprise Linux Desktop 6 x86_64
• Red Hat Enterprise Linux Desktop 6 i386
• Red Hat Enterprise Linux Desktop 5 x86_64
• Red Hat Enterprise Linux Server from RHUI 6 x86_64
• Red Hat Enterprise Linux Server from RHUI 6 i386
• Red Hat Enterprise Linux Server from RHUI 5 x86_64
• Red Hat Enterprise Linux Server from RHUI 5 i386
• Red Hat Enterprise Linux Server - Extended Update Support from RHUI 6.6 x86_64
• Red Hat Enterprise Linux Server - Extended Update Support from RHUI 6.6 i386
• Red Hat Enterprise Linux Server - AUS 6.6 x86_64
• Red Hat Enterprise Linux Workstation 5 i386
• Red Hat Enterprise Linux Desktop 5 i386

Fixes

• BZ - 1229879 - CVE-2015-3100 CVE-2015-3103 CVE-2015-3104 CVE-2015-3105 CVE-2015-3106 CVE-2015-3107 flash-plugin: multiple code execution issues fixed in APSB15-11
• BZ - 1230185 - CVE-2015-3096 flash-plugin: cross-site request forgery against JSONP endpoints fixed in APSB15-11 (incomplete fix for CVE-2014-5333)
• BZ - 1230189 - CVE-2015-3098 CVE-2015-3099 CVE-2015-3102 flash-plugin: same-origin-policy bypass fixed in APSB15-11
• BZ - 1230201 - CVE-2015-3108 flash-plugin: information leak leading to ASLR bypass (APSB15-11)

CVEs

• CVE-2015-3108
• CVE-2015-3107
• CVE-2015-3106
• CVE-2015-3105
• CVE-2015-3104
• CVE-2015-3103
• CVE-2015-3102
• CVE-2015-3100
• CVE-2015-3099
• CVE-2015-3098
• CVE-2015-3096

References

• https://access.redhat.com/security/updates/classification/#critical
• https://helpx.adobe.com/security/products/flash-player/apsb15-11.html