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

Ubuntu Security Notice (C) 2012-2016 Canonical, Inc. / NASL script (C) 2012-2016 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).

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

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

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