Ubuntu 8.04 LTS / 10.04 LTS / 11.10 / 12.04 LTS / 12.10 : tiff vulnerabilities (USN-1631-1)

Ubuntu Security Notice (C) 2012-2013 Canonical, Inc. / NASL script (C) 2012-2013 Tenable Network Security, Inc.


Synopsis :

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

Description :

It was discovered that LibTIFF incorrectly handled certain malformed
images using the PixarLog compression format. If a user or automated
system were tricked into opening a specially crafted TIFF image, a
remote attacker could crash the application, leading to a denial of
service, or possibly execute arbitrary code with user privileges.
(CVE-2012-4447)

Huzaifa S. Sidhpurwala discovered that the ppm2tiff tool incorrectly
handled certain malformed PPM images. If a user or automated system
were tricked into opening a specially crafted PPM image, a remote
attacker could crash the application, leading to a denial of service,
or possibly execute arbitrary code with user privileges.
(CVE-2012-4564).

Solution :

Update the affected libtiff4 and / or libtiff5 packages.

Risk factor :

Medium / CVSS Base Score : 6.8
(CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P)
CVSS Temporal Score : 5.9
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : false

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 62936 ()

Bugtraq ID: 55673
56372

CVE ID: CVE-2012-4447
CVE-2012-4564