Bug 1006173 - (CVE-2013-4296) CVE-2013-4296 libvirt: invalid free in remoteDispatchDomainMemoryStats
CVE-2013-4296 libvirt: invalid free in remoteDispatchDomainMemoryStats
Status: CLOSED ERRATA
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=20130918,repor...
: Security
Depends On: 1006174 1006175 1006176 1009667
Blocks: 1006179 1006244
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Reported: 2013-09-10 03:16 EDT by Petr Matousek
Modified: 2015-10-15 13:59 EDT (History)
8 users (show)

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Doc Type: Bug Fix
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Last Closed: 2013-12-12 16:35:45 EST
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Description Petr Matousek 2013-09-10 03:16:49 EDT
The 'stats' variable in remoteDispatchDomainMemoryStats function was not initialized to NULL, so if some early validation of the RPC call fails, it is possible to jump to the 'cleanup' label and VIR_FREE an uninitialized pointer.

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

Acknowledgements:

This issue was discovered by Daniel P. Berrange of Red Hat.
Comment 6 Petr Matousek 2013-09-18 16:07:50 EDT
Created libvirt tracking bugs for this issue:

Affects: fedora-all [bug 1009667]
Comment 7 errata-xmlrpc 2013-09-19 14:08:58 EDT
This issue has been addressed in following products:

  Red Hat Enterprise Linux 6

Via RHSA-2013:1272 https://rhn.redhat.com/errata/RHSA-2013-1272.html
Comment 8 Fedora Update System 2013-09-30 22:14:33 EDT
libvirt-0.10.2.8-1.fc18 has been pushed to the Fedora 18 stable repository.  If problems still persist, please make note of it in this bug report.
Comment 9 Fedora Update System 2013-10-02 02:40:39 EDT
libvirt-1.0.5.6-2.fc19 has been pushed to the Fedora 19 stable repository.  If problems still persist, please make note of it in this bug report.
Comment 10 Fedora Update System 2013-10-12 00:33:45 EDT
libvirt-1.1.3-2.fc20 has been pushed to the Fedora 20 stable repository.  If problems still persist, please make note of it in this bug report.

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