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Exiv2: Integer overflow


1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200712-16 / exiv2
Release Date December 29, 2007
Latest Revision December 29, 2007: 01
Impact normal
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
media-gfx/exiv2 < 0.13-r1 >= 0.13-r1 All supported architectures

Related bugreports: #202351


An integer overflow vulnerability in Exiv2 possibly allows for the execution of arbitrary code.

2.  Impact Information


Exiv2 is a C++ library and set of tools for parsing, editing and saving Exif and IPTC metadata from images. Exif, the Exchangeable image file format, specifies the addition of metadata tags to JPEG, TIFF and RIFF files.


Meder Kydyraliev (Google Security) discovered an integer overflow vulnerability in the JpegThumbnail::setDataArea() method leading to a heap-based buffer overflow.


An attacker could entice the user of an application making use of Exiv2 or an application included in Exiv2 to load an image file with specially crafted Exif tags, possibly resulting in the execution of arbitrary code with the privileges of the user running the application.

3.  Resolution Information


There is no known workaround at this time.


All Exiv2 users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=media-gfx/exiv2-0.13-r1"

4.  References


Page updated December 29, 2007

Summary: This is a Gentoo Linux Security Advisory

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