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Debian Security Advisory 2575-1

Debian Security Advisory 2575-1
Posted Nov 19, 2012
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2575-1 - It was discovered that ppm2tiff of the tiff tools, a set of utilities for TIFF manipulation and conversion, is not properly checking the return value of an internal function used in order to detect integer overflows. As a consequence, ppm2tiff suffers of a heap-based buffer overflow. This allows attacker to potentially execute arbitrary code via a crafted ppm image, especially in scenarios in which images are automatically processed.

tags | advisory, overflow, arbitrary
systems | linux, debian
advisories | CVE-2012-4564
MD5 | 09747e61881552acf5e73d9adfddaa2e

Debian Security Advisory 2575-1

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- -------------------------------------------------------------------------
Debian Security Advisory DSA-2575-1 security@debian.org
http://www.debian.org/security/ Nico Golde
November 18, 2012 http://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : tiff
Vulnerability : heap-based buffer overflow
Problem type : local (remote)
Debian-specific: no
CVE ID : CVE-2012-4564

It was discovered that ppm2tiff of the tiff tools, a set of utilities
for TIFF manipulation and conversion, is not properly checking the return
value of an internal function used in order to detect integer overflows.
As a consequence, ppm2tiff suffers of a heap-based buffer overflow.
This allows attacker to potentially execute arbitrary code via a crafted
ppm image, especially in scenarios in which images are automatically
processed.

For the stable distribution (squeeze), this problem has been fixed in
version 3.9.4-5+squeeze7.

For the testing distribution (wheezy), this problem will be fixed soon.

For the unstable distribution (sid), this problem has been fixed in
version 4.0.2-5.

We recommend that you upgrade your tiff packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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