RHSA-2015:1235 - Security Advisory

Topic

An updated Adobe Flash Player package that fixes two 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 two vulnerabilities in Adobe Flash Player. These
vulnerabilities are detailed in the Adobe Security Bulletin APSB15-18
listed in the References section.

Two 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-2015-5122, CVE-2015-5123)

All users of Adobe Flash Player should install this updated package, which
upgrades Flash Player to version 11.2.202.491.

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 - AUS 6.6 x86_64
• Red Hat Enterprise Linux Workstation 5 i386
• Red Hat Enterprise Linux Desktop 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

Fixes

• BZ - 1242216 - CVE-2015-5122 CVE-2015-5123 flash-plugin: two code execution issues in APSA15-04 / APSB15-18

CVEs

• CVE-2015-5123
• CVE-2015-5122

References

• https://access.redhat.com/security/updates/classification/#critical
• https://helpx.adobe.com/security/products/flash-player/apsb15-18.html
• https://helpx.adobe.com/security/products/flash-player/apsa15-04.html