Bug 986386 - (CVE-2013-4154) CVE-2013-4154 libvirt: crash of libvirtd without guest agent configuration
CVE-2013-4154 libvirt: crash of libvirtd without guest agent configuration
Status: CLOSED NOTABUG
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20130716,repor...
: Security
Depends On: 984821 986406
Blocks: 986392
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Reported: 2013-07-19 12:07 EDT by Petr Matousek
Modified: 2013-07-19 15:26 EDT (History)
14 users (show)

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Doc Type: Bug Fix
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Last Closed: 2013-07-19 12:12:08 EDT
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RHEL 7.3 requirements from Atomic Host:


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Description Petr Matousek 2013-07-19 12:07:30 EDT
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 12:12:08 EDT
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 13:05:47 EDT
Created libvirt tracking bugs for this issue:

Affects: fedora-all [bug 986406]

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