CVE-2013-4153: Double Free
First published: Fri Jul 19 2013(Updated: )
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 privilages to that of libvirtd process. 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/msg01035.html">https://www.redhat.com/archives/libvir-list/2013-July/msg01035.html</a> Acknowledgements: This issue was discovered by Petr Krempa of Red Hat.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Red Hat Libvirt-daemon-driver-storage-iscsi-direct | =1.0.6 | |
| Red Hat Libvirt-daemon-driver-storage-iscsi-direct | =1.1.0 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=984821
- https://www.redhat.com/archives/libvir-list/2013-July/msg01035.html
- http://libvirt.org/git/?p=libvirt.git;a=commit;h=dfc692350a04a70b4ca65667c30869b3bfdaf034
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=986408
- https://bugzilla.redhat.com/show_bug.cgi?id=986383
- http://libvirt.org/git/?p=libvirt.git%3Ba=commitdiff%3Bh=dfc692350a04a70b4ca65667c30869b3bfdaf034
- http://libvirt.org/news.html
- http://openwall.com/lists/oss-security/2013/07/19/11
- https://bugzilla.redhat.com/show_bug.cgi?id=984821
Frequently Asked Questions
What is the severity of CVE-2013-4153?
The severity of CVE-2013-4153 is considered high due to its potential for privilege escalation and crashing the daemon.
How do I fix CVE-2013-4153?
To fix CVE-2013-4153, you should upgrade your libvirt installation to a version that addresses this vulnerability, such as 1.0.7 or later.
Who is affected by CVE-2013-4153?
CVE-2013-4153 affects users of Red Hat Libvirt versions 1.0.6 and 1.1.0.
What is the exploit vector for CVE-2013-4153?
The exploit vector for CVE-2013-4153 is a remote user with the capability to issue commands to the libvirt daemon.
What are the potential consequences of CVE-2013-4153?
The consequences of CVE-2013-4153 may include crashing the libvirtd process and potential privilege escalation for an attacker.
- collector/redhat-bugzilla
- alias/CVE-2013-4153
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- agent/remedy
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- agent/event
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- vendor/redhat
- canonical/red hat libvirt-daemon-driver-storage-iscsi-direct
- version/red hat libvirt-daemon-driver-storage-iscsi-direct/1.0.6
- version/red hat libvirt-daemon-driver-storage-iscsi-direct/1.1.0