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TITLE:
libvirt "proxyReadClientSocket()" Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA33868

VERIFY ADVISORY:
http://secunia.com/advisories/33868/

CRITICAL:
Less critical

IMPACT:
Privilege escalation

WHERE:
Local system

SOFTWARE:
libvirt 0.x
http://secunia.com/advisories/product/20813/

DESCRIPTION:
A vulnerability has been reported in libvirt, which can be exploited
by malicious, local users to potentially gain escalated privileges.

The vulnerability is caused due to an error within the
"proxyReadClientSocket()" function in proxy/libvirt_proxy.c. This can
be exploited to cause a stack-based buffer overflow via a specially
crafted proxy request.

Successful exploitation may allow execution of arbitrary code with
root privileges.

The vulnerability is reported in version 0.5.1. Prior versions may
also be affected.

SOLUTION:
Update to version 0.6.0.

PROVIDED AND/OR DISCOVERED BY:
Reported by Rasputin via the libvirt mailing list.

ORIGINAL ADVISORY:
https://www.redhat.com/archives/libvir-list/2009-January/msg00699.html

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