CVE-2013-4154: Null Pointer Dereference
First published: Fri Jul 19 2013(Updated: )
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: <a class="bz_bug_link bz_status_CLOSED bz_closed bz_public " title="CLOSED ERRATA - Crash of libvirtd without guest agent configuration" href="show_bug.cgi?id=984821">https://bugzilla.redhat.com/show_bug.cgi?id=984821</a> <a href="https://www.redhat.com/archives/libvir-list/2013-July/msg00992.html">https://www.redhat.com/archives/libvir-list/2013-July/msg00992.html</a> Acknowledgements: This issue was discovered by Alex Jia of Red Hat.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Redhat Libvirt | <=1.1.0 | |
| Redhat Libvirt | =1.0.0 | |
| Redhat Libvirt | =1.0.1 | |
| Redhat Libvirt | =1.0.2 | |
| Redhat Libvirt | =1.0.3 | |
| Redhat Libvirt | =1.0.4 | |
| Redhat Libvirt | =1.0.5 | |
| Redhat Libvirt | =1.0.6 |
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Reference Links
- http://libvirt.org/git/?p=libvirt.git%3Ba=commitdiff%3Bh=96518d4316b711c72205117f8d5c967d5127bbb6
- http://libvirt.org/news.html
- http://openwall.com/lists/oss-security/2013/07/19/12
- https://bugzilla.redhat.com/show_bug.cgi?id=984821
- https://bugzilla.redhat.com/show_bug.cgi?id=986386
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=984821
- https://www.redhat.com/archives/libvir-list/2013-July/msg00992.html
- http://libvirt.org/git/?p=libvirt.git;a=commit;h=96518d4316b711c72205117f8d5c967d5127bbb6
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=986406
- collector/redhat-bugzilla
- alias/CVE-2013-4154
- collector/nvd-index
- agent/weakness
- agent/references
- agent/severity
- agent/author
- agent/tags
- agent/type
- agent/description
- agent/event
- agent/last-modified-date
- agent/remedy
- vendor/redhat
- canonical/redhat libvirt
- version/redhat libvirt/1.1.0
- version/redhat libvirt/1.0.0
- version/redhat libvirt/1.0.1
- version/redhat libvirt/1.0.2
- version/redhat libvirt/1.0.3
- version/redhat libvirt/1.0.4
- version/redhat libvirt/1.0.5
- version/redhat libvirt/1.0.6