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TITLE:
Quassel IRC CTCP Command Injection Vulnerability

SECUNIA ADVISORY ID:
SA32470

VERIFY ADVISORY:
http://secunia.com/advisories/32470/

CRITICAL:
Less critical

IMPACT:
Hijacking

WHERE:
>From remote

SOFTWARE:
Quassel IRC 0.x
http://secunia.com/advisories/product/20289/

DESCRIPTION:
Wouter Coekaerts has reported a vulnerability in Quassel IRC, which
can be exploited by malicious people to hijack IRC connections.

The vulnerability is caused due to the application not properly
handling quoted newline characters when processing CTCP requests.
This can be exploited to inject newlines into the user's response,
which can be used to e.g. execute IRC commands in the context of the
user's IRC session.

The vulnerability is reported in versions prior to 0.3.0.3.

SOLUTION:
Update to version 0.3.0.3.

PROVIDED AND/OR DISCOVERED BY:
Wouter Coekaerts

ORIGINAL ADVISORY:
Quassel IRC:
http://quassel-irc.org/node/89

Wouter Coekaerts:
http://wouter.coekaerts.be/site/security/quassel-ctcp

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