Debian DSA-2045-1 Moderate: Libtheora Integer Overflow Risk

debian

May 11, 2010

Bob Clary, Dan Kaminsky and David Keeler discovered that in libtheora, a video library part of the Ogg project, several flaws allow allow context-dependent attackers via a large an...

Topics Covered

security advisory denial of service Debian arbitrary code execution integer overflow libtheora

Summary

Bob Clary, Dan Kaminsky and David Keeler discovered that in libtheora, a
video library part of the Ogg project, several flaws allow allow
context-dependent attackers via a large and specially crafted media
file, to cause a denial of service (crash of the player using this
library), and possibly arbitrary code execution.

For the stable distribution (lenny), this problem has been fixed in
version 1.0~beta3-1+lenny1.

For the testing distribution (squeeze), this problem has been fixed in
version 1.1.0-1.

For the testing distribution (sid), this problem has been fixed in
version 1.1.0-1.

We recommend that you upgrade your libtheora packages.

Upgrade instructions
- --------------------

wget url
will fetch the file for you
dpkg -i file.deb
will install the referenced file.

If you are using the apt-get package manager, use the line for
sources.list as given below:

apt-get update
will update the internal database
apt-get upgrade
will install corrected packages

You may use an automat...