| From: |
| Marc Deslauriers <marc.deslauriers@canonical.com> |
| To: |
| ubuntu-security-announce@lists.ubuntu.com |
| Subject: |
| [USN-1705-1] Libav vulnerabilities |
| Date: |
| Mon, 28 Jan 2013 09:28:51 -0500 |
| Message-ID: |
| <51068B23.1050808@canonical.com> |
| Archive-link: |
| Article, Thread
|
==========================================================================
Ubuntu Security Notice USN-1705-1
January 28, 2013
libav vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.10
- Ubuntu 12.04 LTS
- Ubuntu 11.10
Summary:
Libav could be made to crash or run programs as your login if it opened a
specially crafted file.
Software Description:
- libav: Multimedia player, server, encoder and transcoder
Details:
It was discovered that Libav incorrectly handled certain malformed media
files. If a user were tricked into opening a crafted media file, an
attacker could cause a denial of service via application crash, or possibly
execute arbitrary code with the privileges of the user invoking the
program.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.10:
libavcodec53 6:0.8.5-0ubuntu0.12.10.1
libavformat53 6:0.8.5-0ubuntu0.12.10.1
Ubuntu 12.04 LTS:
libavcodec53 4:0.8.5-0ubuntu0.12.04.1
libavformat53 4:0.8.5-0ubuntu0.12.04.1
Ubuntu 11.10:
libavcodec53 4:0.7.6-0ubuntu0.11.10.3
libavformat53 4:0.7.6-0ubuntu0.11.10.3
In general, a standard system update will make all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-1705-1
CVE-2012-2783, CVE-2012-2791, CVE-2012-2797, CVE-2012-2798,
CVE-2012-2801, CVE-2012-2802, CVE-2012-2803, CVE-2012-2804,
CVE-2012-5144
Package Information:
https://launchpad.net/ubuntu/+source/libav/6:0.8.5-0ubunt...
https://launchpad.net/ubuntu/+source/libav/4:0.8.5-0ubunt...
https://launchpad.net/ubuntu/+source/libav/4:0.7.6-0ubunt...
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