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xzgv: Multiple overflows


1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200501-09 / xzgv
Release Date January 06, 2005
Latest Revision January 06, 2005: 01
Impact normal
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
media-gfx/xzgv <= 0.8 >= 0.8-r1 All supported architectures

Related bugreports: #74069


xzgv contains multiple overflows that may lead to the execution of arbitrary code.

2.  Impact Information


xzgv is a picture viewer for X, with a thumbnail-based file selector.


Multiple overflows have been found in the image processing code of xzgv, including an integer overflow in the PRF parsing code (CAN-2004-0994).


An attacker could entice a user to open or browse a specially-crafted image file, potentially resulting in the execution of arbitrary code with the rights of the user running xzgv.

3.  Resolution Information


There is no known workaround at this time.


All xzgv users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=media-gfx/xzgv-0.8-r1"

4.  References


Page updated January 06, 2005

Summary: This is a Gentoo Linux Security Advisory

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