CVE-2013-2076
4.3 · MEDIUMOverview
CVE-2013-2076 is a medium-severity vulnerability affecting xen xen. It was published on August 28, 2013 and has a CVSS 2.0 base score of 4.3 (MEDIUM).
This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
Xen 4.0.x, 4.1.x, and 4.2.x, when running on AMD64 processors, only save/restore the FOP, FIP, and FDP x87 registers in FXSAVE/FXRSTOR when an exception is pending, which allows one domain to determine portions of the state of floating point instructions of other domains, which can be leveraged to obtain sensitive information such as cryptographic keys, a similar vulnerability to CVE-2006-1056. NOTE: this is the documented behavior of AMD64 processors, but it is inconsistent with Intel processors in a security-relevant fashion that was not addressed by the kernels.
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
| Vendor | Product | Versions | Status |
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References
Frequently Asked Questions
What is CVE-2013-2076?
CVE-2013-2076 is a medium-severity vulnerability affecting xen xen. It was published on August 28, 2013 and has a CVSS 2.0 base score of 4.3 (MEDIUM).
How severe is CVE-2013-2076?
This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2013-2076?
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-2013-2076?
CyberStrike's AI-powered security agents can automatically detect CVE-2013-2076 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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