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POV-Ray: User-assisted execution of arbitrary code


1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200812-15 / povray
Release Date December 14, 2008
Latest Revision December 14, 2008: 01
Impact normal
Exploitable local
Package Vulnerable versions Unaffected versions Architecture(s)
media-gfx/povray < 3.6.1-r4 >= 3.6.1-r4 All supported architectures

Related bugreports: #153538


POV-Ray includes a version of libpng that might allow for the execution of arbitrary code when reading a specially crafted PNG file

2.  Impact Information


POV-Ray is a well known open-source ray tracer.


POV-Ray uses a statically linked copy of libpng to view and output PNG files. The version shipped with POV-Ray is vulnerable to CVE-2008-3964, CVE-2008-1382, CVE-2006-3334, CVE-2006-0481, CVE-2004-0768. A bug in POV-Ray's build system caused it to load the old version when your installed copy of libpng was >=media-libs/libpng-1.2.10.


An attacker could entice a user to load a specially crafted PNG file as a texture, resulting in the execution of arbitrary code with the permissions of the user running the application.

3.  Resolution Information


There is no known workaround at this time.


All POV-Ray users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=media-gfx/povray-3.6.1-r4"

4.  References


Page updated December 14, 2008

Summary: This is a Gentoo Linux Security Advisory

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