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Credit:
The information has been provided by Secunia Research.
The original article can be found at: http://secunia.com/secunia_research/2007-56/
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Vulnerable Systems:
* KVIrc version 3.2.0
The vulnerability is caused due to the "parseIrcUrl()" function in src/kvirc/kernel/kvi_ircurl.cpp not properly sanitizing parts of the URI when building the command for KVIrc's internal script system. This can be exploited to inject and execute commands for the KVIrc script system (including the "run" command, which can be leveraged to execute shell commands) by e.g. tricking a user into opening a specially crafted "irc://" or similar URI (e.g. "irc6://").
Successful exploitation requires that KVIrc is the default handler for "irc://" and similar URIs.
Solution:
Fixed in the SVN repository: https://svn.kvirc.de/kvirc/changeset/630/#file3
Time Table:
19/06/2007 - Vendor notified.
19/06/2007 - Vendor response.
21/06/2007 - Vendor commits fix into SVN repository.
26/06/2007 - Public disclosure.
CVE Information:
CVE-2007-2951
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