U radu programskog paketa flash-plugin uočen je i ispravljen sigurnosni nedostatak. Udaljeni ga je napadač mogao iskoristiti za izvođenje napada uskraćivanjem usluge ili izvršavanje zlonamjernog programskog koda.

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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Critical: flash-plugin security update
Advisory ID:       RHSA-2012:0434-01
Product:           Red Hat Enterprise Linux Extras
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2012-0434.html
Issue date:        2012-03-29
CVE Names:         CVE-2012-0773 
=====================================================================

1. Summary:

An updated Adobe Flash Player package that fixes one security issue 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. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available from the CVE link 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 one vulnerability in Adobe Flash Player. This
vulnerability is detailed on the Adobe security page APSB12-07, listed in
the References section. Specially-crafted SWF content could cause
flash-plugin to crash or, potentially, execute arbitrary code when a victim
loads a page containing the specially-crafted SWF content. (CVE-2012-0773)

All users of Adobe Flash Player should install this updated package, which
upgrades Flash Player to version 10.3.183.18.

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/knowledge/articles/11258

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

807707 - CVE-2012-0773 flash-plugin: arbitrary code execution via memory
corruption flaw in NetStream class (APSB12-07)

6. Package List:

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

i386:
flash-plugin-10.3.183.18-1.el5.i386.rpm

x86_64:
flash-plugin-10.3.183.18-1.el5.i386.rpm

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

i386:
flash-plugin-10.3.183.18-1.el5.i386.rpm

x86_64:
flash-plugin-10.3.183.18-1.el5.i386.rpm

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

i386:
flash-plugin-10.3.183.18-1.el6.i686.rpm

x86_64:
flash-plugin-10.3.183.18-1.el6.i686.rpm

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

i386:
flash-plugin-10.3.183.18-1.el6.i686.rpm

x86_64:
flash-plugin-10.3.183.18-1.el6.i686.rpm

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

i386:
flash-plugin-10.3.183.18-1.el6.i686.rpm

x86_64:
flash-plugin-10.3.183.18-1.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-2012-0773.html
https://access.redhat.com/security/updates/classification/#critical
http://www.adobe.com/support/security/bulletins/apsb12-07.html

8. Contact:

The Red Hat security contact is <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.>.  More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2012 Red Hat, Inc.
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