What is the severity of CVE-2013-4239?

CVE-2013-4239 is categorized as a medium severity vulnerability due to potential memory corruption issues that can lead to application crashes.

How do I fix CVE-2013-4239?

To fix CVE-2013-4239, update to a patched version of libvirt that resolves the memory corruption issue introduced by commit 632180d1.

What systems are affected by CVE-2013-4239?

CVE-2013-4239 affects Red Hat libvirt version 1.1.1 specifically.

What kind of issues can CVE-2013-4239 cause?

CVE-2013-4239 can cause memory corruption leading to application aborts and instability in libvirtd.

Is there a workaround for CVE-2013-4239?

There are no recommended workarounds for CVE-2013-4239; the best course of action is to apply the security updates promptly.

Vulnerability/
CVE-2013-4239

medium

CWE

415 119

12/8/2013

30/9/2013

6/8/2024

CVE-2013-4239: Double Free

First published: Mon Aug 12 2013(Updated: )

Commit 632180d1 introduced memory corruption in xenDaemonListDefinedDomains() by starting to populate the names array at index -1, causing all sorts of havoc in libvirtd such as aborts like the following *** Error in `/usr/sbin/libvirtd': double free or corruption (out): 0x00007fffe00ccf20 *** The xenDaemonListDefinedDomains() function is reached by the virConnectListDefinedDomains() public API, which can be used on read-only connections. Introduced in: libvirt v1.1.1 Introduced by: <a href="http://libvirt.org/git/?p=libvirt.git;a=commit;h=632180d1">http://libvirt.org/git/?p=libvirt.git;a=commit;h=632180d1</a> Fixed by: <a href="http://libvirt.org/git/?p=libvirt.git;a=commit;h=0e671a16">http://libvirt.org/git/?p=libvirt.git;a=commit;h=0e671a16</a>

Credit: secalert@redhat.com

Affected Software	Affected Version	How to fix
Red Hat Libvirt	=1.1.1

Remedy

http://www.openwall.com/lists/oss-security/2013/08/12/12

Remedy

https://bugzilla.redhat.com/show_bug.cgi?id=996241

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2013-4239?
CVE-2013-4239 is categorized as a medium severity vulnerability due to potential memory corruption issues that can lead to application crashes.
How do I fix CVE-2013-4239?
To fix CVE-2013-4239, update to a patched version of libvirt that resolves the memory corruption issue introduced by commit 632180d1.
What systems are affected by CVE-2013-4239?
CVE-2013-4239 affects Red Hat libvirt version 1.1.1 specifically.
What kind of issues can CVE-2013-4239 cause?
CVE-2013-4239 can cause memory corruption leading to application aborts and instability in libvirtd.
Is there a workaround for CVE-2013-4239?
There are no recommended workarounds for CVE-2013-4239; the best course of action is to apply the security updates promptly.

agent/type
agent/first-publish-date
agent/remedy
collector/mitre-cve
source/MITRE
agent/references
agent/severity
agent/last-modified-date
agent/weakness
agent/author
agent/event
agent/description
collector/redhat-bugzilla
source/Red Hat
alias/CVE-2013-4239
agent/trending
agent/source
agent/softwarecombine
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/redhat
canonical/red hat libvirt
version/red hat libvirt/1.1.1

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Frequently Asked Questions

What is the severity of CVE-2013-4239?
CVE-2013-4239 is categorized as a medium severity vulnerability due to potential memory corruption issues that can lead to application crashes.
How do I fix CVE-2013-4239?
To fix CVE-2013-4239, update to a patched version of libvirt that resolves the memory corruption issue introduced by commit 632180d1.
What systems are affected by CVE-2013-4239?
CVE-2013-4239 affects Red Hat libvirt version 1.1.1 specifically.
What kind of issues can CVE-2013-4239 cause?
CVE-2013-4239 can cause memory corruption leading to application aborts and instability in libvirtd.
Is there a workaround for CVE-2013-4239?
There are no recommended workarounds for CVE-2013-4239; the best course of action is to apply the security updates promptly.