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CVE-2012-6333

4.7 · MEDIUM

Multiple HVM control operations in Xen 3.4 through 4.2 allow local HVM guest OS administrators to cause a denial of service (physical CPU consumption) via a large input.

Published Dec 13, 2012xenCWE-399EPSS 0.40%

Overview

CVE-2012-6333 is a medium-severity vulnerability affecting xen xen. It was published on December 13, 2012 and has a CVSS 2.0 base score of 4.7 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.7, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

Multiple HVM control operations in Xen 3.4 through 4.2 allow local HVM guest OS administrators to cause a denial of service (physical CPU consumption) via a large input.

Remediation

Check the references section for vendor advisories and patches from xen. Update xen 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

References

Reflists.opensuse.org/opensuse-security-announce/2012-12/msg00001.htmlReflists.opensuse.org/opensuse-security-announce/2014-03/msg00021.htmlRefsecunia.com/advisories/51397Refsecunia.com/advisories/51486Refsecunia.com/advisories/51487Refsecunia.com/advisories/55082Refsecurity.gentoo.org/glsa/glsa-201309-24.xmlRefsupport.citrix.com/article/CTX135777Refwww.openwall.com/lists/oss-security/2012/12/03/10Refwww.osvdb.org/88129

How CyberStrike helps

Frequently asked questions

What is CVE-2012-6333?

CVE-2012-6333 is a medium-severity vulnerability affecting xen xen. It was published on December 13, 2012 and has a CVSS 2.0 base score of 4.7 (MEDIUM).

How severe is CVE-2012-6333?

This vulnerability has a CVSS 2.0 base score of 4.7, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2012-6333?

Check the references section for vendor advisories and patches from xen. Update xen 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-2012-6333?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2012-6333 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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