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CIAC INFORMATION BULLETIN

Q-153: RealPlayer Security Update

[RHSA-2006:0257-9]

March 22, 2006 22:00 GMT

PROBLEM: A buffer overflow bug was discovered in the way RealPlayer processes Flash Media (.swf) files.
PLATFORM: Red Hat Enterprise Linux Extras (v. 3, 4)
DAMAGE: It is possible for a malformed Flash Media file to execute arbitrary code as the user running RealPlayer.
SOLUTION: Apply current patches.

VULNERABILITY
ASSESSMENT:
The risk is MEDIUM. Execution of arbitrary code.

LINKS:  
  CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/q-153.shtml
  ORIGINAL BULLETIN: http://rhn.redhat.com/errata/RHSA-2006-0257.html
  CVE: CVE-2006-0323

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Critical: RealPlayer security update

Advisory: RHSA-2006:0257-9
Type: Security Advisory
Issued on: 2006-03-22
Last updated on: 2006-03-22
Affected Products: Red Hat Enterprise Linux Extras (v. 3)
Red Hat Enterprise Linux Extras (v. 4)
CVEs (cve.mitre.org): CVE-2006-0323

Details

An updated RealPlayer package that fixes a buffer overflow bug is now
available for Red Hat Enterprise Linux Extras 3 and 4.

This update has been rated as having critical security impact by the Red
Hat Security Response Team.

RealPlayer is a media player that provides media playback locally and via
streaming.

A buffer overflow bug was discovered in the way RealPlayer processes Flash
Media (.swf) files. It is possible for a malformed Flash Media file to
execute arbitrary code as the user running RealPlayer. The Common
Vulnerabilities and Exposures project assigned the name CVE-2006-0323 to
this issue.

All users of RealPlayer are advised to upgrade to this updated package,
which contains RealPlayer version 10.0.7 and is not vulnerable to this issue.


Solution

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

To update all RPMs for your particular architecture, run:

rpm -Fvh [filenames]

where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains the
desired RPMs.

Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:

up2date

This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.

Updated packages

Red Hat Enterprise Linux Extras (v. 3)

IA-32:
realplayer-10.0.7-0.rhel3.2.i386.rpm     9d1833768d49eacd7e96e107867a440d
realplayer-10.0.7-0.rhel3.2.i386.rpm     9d1833768d49eacd7e96e107867a440d
realplayer-10.0.7-0.rhel3.2.i386.rpm     9d1833768d49eacd7e96e107867a440d
realplayer-10.0.7-0.rhel3.2.i386.rpm     9d1833768d49eacd7e96e107867a440d
 
x86_64:
realplayer-10.0.7-0.rhel3.2.i386.rpm     9d1833768d49eacd7e96e107867a440d
realplayer-10.0.7-0.rhel3.2.i386.rpm     9d1833768d49eacd7e96e107867a440d
realplayer-10.0.7-0.rhel3.2.i386.rpm     9d1833768d49eacd7e96e107867a440d
realplayer-10.0.7-0.rhel3.2.i386.rpm     9d1833768d49eacd7e96e107867a440d
 
Red Hat Enterprise Linux Extras (v. 4)

IA-32:
RealPlayer-10.0.7-2.i386.rpm     c13c039a758626a17e5030d3108642a0
RealPlayer-10.0.7-2.i386.rpm     c13c039a758626a17e5030d3108642a0
RealPlayer-10.0.7-2.i386.rpm     c13c039a758626a17e5030d3108642a0
RealPlayer-10.0.7-2.i386.rpm     c13c039a758626a17e5030d3108642a0
 
x86_64:
RealPlayer-10.0.7-2.i386.rpm     c13c039a758626a17e5030d3108642a0
RealPlayer-10.0.7-2.i386.rpm     c13c039a758626a17e5030d3108642a0
RealPlayer-10.0.7-2.i386.rpm     c13c039a758626a17e5030d3108642a0
RealPlayer-10.0.7-2.i386.rpm     c13c039a758626a17e5030d3108642a0
 
(The unlinked packages above are only available from the Red Hat Network)

Bugs fixed (see bugzilla for more information)

183932 - CVE-2006-0323 RealPlayer SWF file buffer overflow


References

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-0323


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

The Red Hat security contact is secalert@redhat.com. More contact details at http://www.redhat.com/security/team/contact/



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CIAC wishes to acknowledge the contributions of Red Hat for the information contained in this bulletin.
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