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                   Red Hat Security Advisory

Synopsis:          Critical: flash-plugin security update
Advisory ID:       RHSA-2011:1333-01
Product:           Red Hat Enterprise Linux Extras
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2011-1333.html
Issue date:        2011-09-22
CVE Names:         CVE-2011-2426 CVE-2011-2427 CVE-2011-2428 
                   CVE-2011-2429 CVE-2011-2430 CVE-2011-2444 
=====================================================================

1. Summary:

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

The Red Hat Security Response Team 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.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Desktop Supplementary (v. 5) - i386, x86_64
Red Hat Enterprise Linux Desktop Supplementary (v. 6) - i386, x86_64
Red Hat Enterprise Linux Server Supplementary (v. 5) - i386, x86_64
Red Hat Enterprise Linux Server Supplementary (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation Supplementary (v. 6) - i386, x86_64

3. 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 on the Adobe security page APSB11-26, listed
in the References section.

Multiple security 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 specially-crafted SWF content. (CVE-2011-2426,
CVE-2011-2427, CVE-2011-2428, CVE-2011-2430)

A flaw in flash-plugin could allow an attacker to conduct cross-site
scripting (XSS) attacks if a victim were tricked into visiting a
specially-crafted web page. (CVE-2011-2444)

This update also fixes an information disclosure flaw in flash-plugin.
(CVE-2011-2429)

All users of Adobe Flash Player should install this updated package, which
upgrades Flash Player to version 10.3.183.10.

4. Solution:

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

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/kb/docs/DOC-11259

5. Bugs fixed (http://bugzilla.redhat.com/):

740201 - CVE-2011-2444 flash-plugin: Cross-site scripting vulnerability fixed in APSB11-26
740204 - CVE-2011-2429 flash-plugin: security control bypass information disclosure fixed in APSB11-26
740388 - CVE-2011-2426 CVE-2011-2427 CVE-2011-2428 CVE-2011-2430 flash-plugin: critical flaws fixed in APSB11-26

6. Package List:

Red Hat Enterprise Linux Desktop Supplementary (v. 5):

i386:
flash-plugin-10.3.183.10-1.el5.i386.rpm

x86_64:
flash-plugin-10.3.183.10-1.el5.i386.rpm

Red Hat Enterprise Linux Server Supplementary (v. 5):

i386:
flash-plugin-10.3.183.10-1.el5.i386.rpm

x86_64:
flash-plugin-10.3.183.10-1.el5.i386.rpm

Red Hat Enterprise Linux Desktop Supplementary (v. 6):

i386:
flash-plugin-10.3.183.10-1.el6.i686.rpm

x86_64:
flash-plugin-10.3.183.10-1.el6.i686.rpm

Red Hat Enterprise Linux Server Supplementary (v. 6):

i386:
flash-plugin-10.3.183.10-1.el6.i686.rpm

x86_64:
flash-plugin-10.3.183.10-1.el6.i686.rpm

Red Hat Enterprise Linux Workstation Supplementary (v. 6):

i386:
flash-plugin-10.3.183.10-1.el6.i686.rpm

x86_64:
flash-plugin-10.3.183.10-1.el6.i686.rpm

These packages are GPG signed by Red Hat for security.  Our key and 
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2011-2426.html
https://www.redhat.com/security/data/cve/CVE-2011-2427.html
https://www.redhat.com/security/data/cve/CVE-2011-2428.html
https://www.redhat.com/security/data/cve/CVE-2011-2429.html
https://www.redhat.com/security/data/cve/CVE-2011-2430.html
https://www.redhat.com/security/data/cve/CVE-2011-2444.html
https://access.redhat.com/security/updates/classification/#critical
http://www.adobe.com/support/security/bulletins/apsb11-26.html

8. Contact:

The Red Hat security contact is <secalert@redhat.com>.  More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2011 Red Hat, Inc.
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