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CVE-2013-0170

6.8 · MEDIUM

Use-after-free vulnerability in the virNetMessageFree function in rpc/virnetserverclient.c in libvirt 1.0.x before 1.0.2, 0.10.2 before 0.10.2.3, 0.9.11 before 0.9.11.9, and 0.9.6 before 0.9.6.4 al…

Published Feb 8, 2013redhatCWE-416EPSS 5.77%

Overview

CVE-2013-0170 is a medium-severity vulnerability affecting redhat libvirt. It was published on February 8, 2013 and has a CVSS 2.0 base score of 6.8 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 6.8, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Use-after-free vulnerability in the virNetMessageFree function in rpc/virnetserverclient.c in libvirt 1.0.x before 1.0.2, 0.10.2 before 0.10.2.3, 0.9.11 before 0.9.11.9, and 0.9.6 before 0.9.6.4 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code by triggering certain errors during an RPC connection, which causes a message to be freed without being removed from the message queue.

Remediation

Check the references section for vendor advisories and patches from redhat. Update libvirt to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
redhatlibvirt>= 0.9.6, < 0.9.6.4Affected

References

Reflibvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=46532e3e8ed5f5a736a02f67d6c805492f9ca720Reflibvirt.org/news.htmlReflists.fedoraproject.org/pipermail/package-announce/2013-February/098326.htmlReflists.fedoraproject.org/pipermail/package-announce/2013-February/098370.htmlReflists.fedoraproject.org/pipermail/package-announce/2013-February/098398.htmlReflists.opensuse.org/opensuse-security-announce/2013-02/msg00001.htmlReflists.opensuse.org/opensuse-security-announce/2013-02/msg00002.htmlReflists.opensuse.org/opensuse-security-announce/2013-02/msg00016.htmlRefosvdb.org/89644Refrhn.redhat.com/errata/RHSA-2013-0199.html

How CyberStrike helps

Frequently asked questions

What is CVE-2013-0170?

CVE-2013-0170 is a medium-severity vulnerability affecting redhat libvirt. It was published on February 8, 2013 and has a CVSS 2.0 base score of 6.8 (MEDIUM).

How severe is CVE-2013-0170?

This vulnerability has a CVSS 2.0 base score of 6.8, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2013-0170?

Check the references section for vendor advisories and patches from redhat. Update libvirt to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2013-0170?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2013-0170 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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