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TITLE:
OpenSER Authentication Header Hijacking Security Issue

SECUNIA ADVISORY ID:
SA27204

VERIFY ADVISORY:
http://secunia.com/advisories/27204/

CRITICAL:
Less critical

IMPACT:
Hijacking

WHERE:
>From local network

SOFTWARE:
OpenSER 1.x
http://secunia.com/product/16118/

DESCRIPTION:
A security issue has been reported in OpenSER, which can be exploited
by malicious people to hijack user sessions.

The security issue is caused due to the improper processing of SIP
messages and can be exploited to make calls from a hijacked account
by requesting a URI containing a sniffed authentication header. 

The vulnerability is reported in versions prior to 1.2.2 downloaded
before 2007-10-04.

SOLUTION:
Fixed in SVN repository.

ORIGINAL ADVISORY:
http://lists.grok.org.uk/pipermail/full-disclosure/2007-October/066581.html

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