Joined: 12 May 2004
|Posted: Sat Jan 15, 2011 3:26 am Post subject: [ GLSA 201101-03 ] libvpx: User-assisted execution of arbitr
|Gentoo Linux Security Advisory
Title: libvpx: User-assisted execution of arbitrary code (GLSA 201101-03)
Date: January 15, 2011
Timothy B. Terriberry discovered that libvpx contains an integer overflow
vulnerability in the processing of video streams that may allow
user-assisted execution of arbitrary code.
libvpx is the VP8 codec SDK used to encode and decode video streams,
typically within a WebM format media file.
Vulnerable: < 0.9.5
Unaffected: >= 0.9.5
Architectures: All supported architectures
libvpx is vulnerable to an integer overflow vulnerability when
processing crafted VP8 video streams.
A remote attacker could entice a user to open a specially crafted media
file, possibly resulting in the execution of arbitrary code with the
privileges of the user running the application, or a Denial of Service.
There is no known workaround at this time.
All libvpx users should upgrade to the latest stable version:
|# emerge --sync
# emerge --ask --oneshot --verbose ">=media-libs/libvpx-0.9.5"
Packages which depend on this library may need to be recompiled. Tools
such as revdep-rebuild may assist in identifying some of these