Ubuntu 11.04 : libav vulnerabilities (USN-1209-2)

Ubuntu Security Notice (C) 2011-2013 Canonical, Inc. / NASL script (C) 2011-2013 Tenable Network Security, Inc.


Synopsis :

The remote Ubuntu host is missing one or more security-related patches.

Description :

It was discovered that Libav incorrectly handled certain malformed ogg
files. If a user were tricked into opening a crafted ogg 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. (CVE-2011-1196)

It was discovered that Libav incorrectly handled certain malformed AMV
files. If a user were tricked into opening a crafted AMV 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. (CVE-2011-1931)

Emmanouel Kellinis discovered that Libav incorrectly handled certain
malformed CAVS files. If a user were tricked into opening a crafted
CAVS 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. (CVE-2011-3362).

Solution :

Update the affected libavcodec52 and / or libavformat52 packages.

Risk factor :

High / CVSS Base Score : 7.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P)
CVSS Temporal Score : 6.5
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : false

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 56237 ()

Bugtraq ID: 47602
49115

CVE ID: CVE-2011-1196
CVE-2011-1931
CVE-2011-3362