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libTIFF: Multiple vulnerabilities


1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200608-07 / tiff
Release Date August 04, 2006
Latest Revision August 04, 2006: 01
Impact normal
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
media-libs/tiff < 3.8.2-r2 >= 3.8.2-r2 All supported architectures

Related bugreports: #142383


libTIFF contains several vulnerabilities that could result in arbitrary code execution.

2.  Impact Information


libTIFF provides support for reading and manipulating TIFF images.


Tavis Ormandy of the Google Security Team discovered several heap and stack buffer overflows and other flaws in libTIFF. The affected parts include the TIFFFetchShortPair(), TIFFScanLineSize() and EstimateStripByteCounts() functions, and the PixarLog and NeXT RLE decoders.


A remote attacker could entice a user to open a specially crafted TIFF file, resulting in the possible execution of arbitrary code.

3.  Resolution Information


There is no known workaround at this time.


All libTIFF users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=media-libs/tiff-3.8.2-r2"

4.  References


Page updated August 04, 2006

Summary: This is a Gentoo Linux Security Advisory

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