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Debian 5.0 Lenny DSA-1744-1 Critical: Weechat Denial Of Service

debian
Calendar Grey March 18, 2009
Debian Logo
Resolution for Weechat IRC client susceptibility to denial of service via color code mishandling documented in Debian security notice.
Sebastien Helleu discovered that an error in the handling of color codes in the weechat IRC client could cause an out-of-bounds read of an internal color array

Summary


Sebastien Helleu discovered that an error in the handling of color codes
in the weechat IRC client could cause an out-of-bounds read of an internal
color array. This can be used by an attacker to crash user clients
via a crafted PRIVMSG command.


The weechat version in the oldstable distribution (etch) is not affected
by this problem.

For the stable distribution (lenny), this problem has been fixed in
version 0.2.6-1+lenny1.

For the testing distribution (squeeze), this problem will be fixed soon.

For the unstable distribution (sid), this problem has been fixed in
version 0.2.6.1-1.


We recommend that you upgrade your weechat 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 automated up...

Read the Full Advisory

Severity
critical
Lowest
Low
Medium
High
Critical

Package: weechat
CVE ID: CVE-2009-0661

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