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Date: Fri, 19 Jul 2013 18:12:57 +0200
From: Petr Matousek <pmatouse@...hat.com>
To: oss-security@...ts.openwall.com
Cc: libvirt-security@...hat.com
Subject: CVE request -- libvirt: double free of returned JSON array in
qemuAgentGetVCPUs()
A part of the returned monitor response was freed twice and caused
crashes of the daemon when using guest agent cpu count retrieval.
A remote user able to issue commands to libvirt daemon could use this
flaw to crash libvirtd or, potentially, escalate their privileges to
that of libvirtd process.
References:
https://bugzilla.redhat.com/show_bug.cgi?id=986383
https://bugzilla.redhat.com/show_bug.cgi?id=984821
https://www.redhat.com/archives/libvir-list/2013-July/msg01035.html
Upstream fix:
http://libvirt.org/git/?p=libvirt.git;a=commit;h=dfc692350a04a70b4ca65667c30869b3bfdaf034
Thanks,
--
Petr Matousek / Red Hat Security Response Team
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