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Debian: Security update for Tiff

Several vulnerabilities were discovered in Tiff, a library set and tools to support the Tag Image File Format (TIFF), allowing denial of service and potential privilege escalation. Updated packages are available from security.debian.org.

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Debian Security Advisory DSA-2552-1                   security@debian.org
http://www.debian.org/security/                             Luciano Bello
September 26, 2012                     http://www.debian.org/security/faq
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Package        : tiff
Vulnerability  : several
Problem type   : remote
Debian-specific: no
CVE ID         : CVE-2010-2482 CVE-2010-2595 CVE-2010-2597 CVE-2010-2630 
                CVE-2010-4665 CVE-2012-2113 CVE-2012-3401
Debian Bug     : 678140

Several vulnerabilities were discovered in Tiff, a library set and tools 
to support the Tag Image File Format (TIFF), allowing denial of service and
potential privilege escalation.

These vulnerabilities can be exploited via a specially crafted TIFF image.

CVE-2012-2113
 The tiff2pdf utility has an integer overflow error when parsing images.

CVE-2012-3401
 Huzaifa Sidhpurwala discovered heap-based buffer overflow in the 
 t2p_read_tiff_init() function.

CVE-2010-2482
 An invalid td_stripbytecount field is not properly handle and can trigger a
 NULL pointer dereference.

CVE-2010-2595
 An array index error, related to "downsampled OJPEG input." in the
 TIFFYCbCrtoRGB function causes an unexpected crash.

CVE-2010-2597
 Also related to "downsampled OJPEG input", the TIFFVStripSize function crash
 unexpectly.

CVE-2010-2630
 The TIFFReadDirectory function does not properly validate the data types of 
 codec-specific tags that have an out-of-order position in a TIFF file.

CVE-2010-4665
 The tiffdump utility has an integer overflow in the ReadDirectory function.

For the stable distribution (squeeze), these problems have been fixed in
version 3.9.4-5+squeeze5.

For the testing distribution (wheezy), these problems have been fixed in
version 4.0.2-2.

For the unstable distribution (sid), these problems have been fixed in
version 4.0.2-2.

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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