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Sicherheit: Mehrere Probleme in Libav
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Libav
ID: USN-1705-1
Distribution: Ubuntu
Plattformen: Ubuntu 11.10, Ubuntu 12.04 LTS, Ubuntu 12.10
Datum: Mo, 28. Januar 2013, 16:34
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2783
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2791
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2797
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2798
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2801
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2802
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2803
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2804
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-5144
Applikationen: libav

Originalnachricht

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==========================================================================
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/6:0.8.5-0ubuntu0.12.10.1
https://launchpad.net/ubuntu/+source/libav/4:0.8.5-0ubuntu0.12.04.1
https://launchpad.net/ubuntu/+source/libav/4:0.7.6-0ubuntu0.11.10.3



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