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Ubuntu Security Notice USN-1655-1

Ubuntu Security Notice USN-1655-1
Posted Dec 5, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1655-1 - It was discovered that LibTIFF incorrectly handled certain malformed images using the DOTRANGE tag. 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.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2012-5581
MD5 | f05b7dc35db4e2556717f1c8494e8789

Ubuntu Security Notice USN-1655-1

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Content-Disposition: inline

==========================================================================Ubuntu Security Notice USN-1655-1
December 05, 2012

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

- Ubuntu 12.04 LTS
- Ubuntu 11.10
- Ubuntu 10.04 LTS
- Ubuntu 8.04 LTS

Summary:

Programs that use LibTIFF could be made to crash or run programs if they
opened a specially crafted file.

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

Details:

It was discovered that LibTIFF incorrectly handled certain malformed
images using the DOTRANGE tag. 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.

Update instructions:

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

Ubuntu 12.04 LTS:
libtiff4 3.9.5-2ubuntu1.4

Ubuntu 11.10:
libtiff4 3.9.5-1ubuntu1.5

Ubuntu 10.04 LTS:
libtiff4 3.9.2-2ubuntu0.12

Ubuntu 8.04 LTS:
libtiff4 3.8.2-7ubuntu3.16

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

References:
http://www.ubuntu.com/usn/usn-1655-1
CVE-2012-5581

Package Information:
https://launchpad.net/ubuntu/+source/tiff/3.9.5-2ubuntu1.4
https://launchpad.net/ubuntu/+source/tiff/3.9.5-1ubuntu1.5
https://launchpad.net/ubuntu/+source/tiff/3.9.2-2ubuntu0.12
https://launchpad.net/ubuntu/+source/tiff/3.8.2-7ubuntu3.16

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