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Ubuntu Security Notice USN-1416-1

Ubuntu Security Notice USN-1416-1
Posted Apr 5, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1416-1 - Alexander Gavrun discovered that the TIFF library incorrectly allocated space for a tile. If a user or automated system were tricked into opening a specially crafted TIFF image, a remote attacker could execute arbitrary code with user privileges, or crash the application, leading to a denial of service. It was discovered that the tiffdump utility incorrectly handled directory data structures with many directory entries. 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. This issue only applied to Ubuntu 8.04 LTS, Ubuntu 10.04 LTS, Ubuntu 10.10 and Ubuntu 11.04. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2012-1173, CVE-2010-4665, CVE-2010-4665, CVE-2012-1173
MD5 | 4e52fc61e7c9dcd49827ca891d3377b3

Ubuntu Security Notice USN-1416-1

Change Mirror Download
============================================================================
Ubuntu Security Notice USN-1416-1
April 04, 2012

tiff vulnerabilities
============================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 11.10
- Ubuntu 11.04
- Ubuntu 10.10
- Ubuntu 10.04 LTS
- Ubuntu 8.04 LTS

Summary:

The TIFF library could be made to crash or run programs as your login if it
opened a specially crafted file.

Software Description:
- tiff: Tag Image File Format (TIFF) library

Details:

Alexander Gavrun discovered that the TIFF library incorrectly allocated
space for a tile. If a user or automated system were tricked into opening a
specially crafted TIFF image, a remote attacker could execute arbitrary
code with user privileges, or crash the application, leading to a denial of
service. (CVE-2012-1173)

It was discovered that the tiffdump utility incorrectly handled directory
data structures with many directory entries. 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. This issue only applied to
Ubuntu 8.04 LTS, Ubuntu 10.04 LTS, Ubuntu 10.10 and Ubuntu 11.04.
(CVE-2010-4665)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 11.10:
libtiff4 3.9.5-1ubuntu1.1

Ubuntu 11.04:
libtiff4 3.9.4-5ubuntu6.1

Ubuntu 10.10:
libtiff4 3.9.4-2ubuntu0.5

Ubuntu 10.04 LTS:
libtiff4 3.9.2-2ubuntu0.8

Ubuntu 8.04 LTS:
libtiff4 3.8.2-7ubuntu3.10

In general, a standard system update will make all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-1416-1
CVE-2010-4665, CVE-2012-1173

Package Information:
https://launchpad.net/ubuntu/+source/tiff/3.9.5-1ubuntu1.1
https://launchpad.net/ubuntu/+source/tiff/3.9.4-5ubuntu6.1
https://launchpad.net/ubuntu/+source/tiff/3.9.4-2ubuntu0.5
https://launchpad.net/ubuntu/+source/tiff/3.9.2-2ubuntu0.8
https://launchpad.net/ubuntu/+source/tiff/3.8.2-7ubuntu3.10

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