Bug 986386 (CVE-2013-4154) - CVE-2013-4154 libvirt: crash of libvirtd without guest agent configuration
Summary: CVE-2013-4154 libvirt: crash of libvirtd without guest agent configuration
Status: CLOSED NOTABUG
Alias: CVE-2013-4154
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard: impact=moderate,public=20130716,repor...
Keywords: Security
Depends On: 984821 986406
Blocks: 986392
TreeView+ depends on / blocked
 
Reported: 2013-07-19 16:07 UTC by Petr Matousek
Modified: 2019-06-08 19:39 UTC (History)
14 users (show)

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Clone Of:
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Last Closed: 2013-07-19 16:12:08 UTC


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Description Petr Matousek 2013-07-19 16:07:30 UTC
If users haven't configured guest agent then qemuAgentCommand() will dereference a NULL 'mon' pointer.

A remote user able to issue commands to libvirt daemon could use this flaw to crash libvirtd.

References:
https://bugzilla.redhat.com/show_bug.cgi?id=984821
https://www.redhat.com/archives/libvir-list/2013-July/msg00992.html

Acknowledgements:

This issue was discovered by Alex Jia of Red Hat.

Comment 1 Petr Matousek 2013-07-19 16:12:08 UTC
Statement:

Not vulnerable. This issue did not affect the versions of libvirt as shipped with Red Hat Enterprise Linux 5 and Red Hat Enterprise Linux 6.

Comment 3 Petr Matousek 2013-07-19 17:05:47 UTC
Created libvirt tracking bugs for this issue:

Affects: fedora-all [bug 986406]


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