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libTIFF: Multiple buffer overflows


1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200607-03 / tiff
Release Date July 09, 2006
Latest Revision July 09, 2006: 01
Impact normal
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
media-libs/tiff < 3.8.2-r1 >= 3.8.2-r1 All supported architectures

Related bugreports: #135881


libTIFF contains buffer overflows that could result in arbitrary code execution.

2.  Impact Information


libTIFF provides support for reading and manipulating TIFF images.


A buffer overflow has been found in the t2p_write_pdf_string function in tiff2pdf, which can been triggered with a TIFF file containing a DocumentName tag with UTF-8 characters. An additional buffer overflow has been found in the handling of the parameters in tiffsplit.


A remote attacker could entice a user to load 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-r1"

4.  References


Page updated July 09, 2006

Summary: This is a Gentoo Linux Security Advisory

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