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CVE-2013-1432

7.4 · HIGH

Xen 4.1.x and 4.2.x, when the XSA-45 patch is in place, does not properly maintain references on pages stored for deferred cleanup, which allows local PV guest kernels to cause a denial of service…

Published Aug 28, 2013xenCWE-399EPSS 0.58%

Overview

CVE-2013-1432 is a high-severity vulnerability affecting xen xen. It was published on August 28, 2013 and has a CVSS 2.0 base score of 7.4 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.4, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

Xen 4.1.x and 4.2.x, when the XSA-45 patch is in place, does not properly maintain references on pages stored for deferred cleanup, which allows local PV guest kernels to cause a denial of service (premature page free and hypervisor crash) or possibly gain privileges via unspecified vectors.

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/2014-03/msg00021.htmlRefsecunia.com/advisories/55082Refsecurity.gentoo.org/glsa/glsa-201309-24.xmlRefsupport.citrix.com/article/CTX138134Refwww.debian.org/security/2014/dsa-3006Refwww.openwall.com/lists/oss-security/2013/06/26/5Reflists.opensuse.org/opensuse-security-announce/2014-03/msg00021.htmlRefsecunia.com/advisories/55082Refsecurity.gentoo.org/glsa/glsa-201309-24.xmlRefsupport.citrix.com/article/CTX138134

How CyberStrike helps

Frequently asked questions

What is CVE-2013-1432?

CVE-2013-1432 is a high-severity vulnerability affecting xen xen. It was published on August 28, 2013 and has a CVSS 2.0 base score of 7.4 (HIGH).

How severe is CVE-2013-1432?

This vulnerability has a CVSS 2.0 base score of 7.4, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2013-1432?

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-2013-1432?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2013-1432 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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