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CVE-2008-5716

7.2 · HIGH

xend in Xen 3.3.0 does not properly restrict a guest VM's write access within the /local/domain xenstore directory tree, which allows guest OS users to cause a denial of service and possibly have u…

Published Dec 24, 2008citrixCWE-264EPSS 0.36%

Overview

CVE-2008-5716 is a high-severity vulnerability affecting citrix xen. It was published on December 24, 2008 and has a CVSS 2.0 base score of 7.2 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.2, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

xend in Xen 3.3.0 does not properly restrict a guest VM's write access within the /local/domain xenstore directory tree, which allows guest OS users to cause a denial of service and possibly have unspecified other impact by writing to (1) console/tty, (2) console/limit, or (3) image/device-model-pid. NOTE: this issue exists because of erroneous set_permissions calls in the fix for CVE-2008-4405.

Remediation

Check the references section for vendor advisories and patches from citrix. 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.xensource.com/archives/html/xen-devel/2008-12/msg00842.htmlReflists.xensource.com/archives/html/xen-devel/2008-12/msg00845.htmlReflists.xensource.com/archives/html/xen-devel/2008-12/msg00846.htmlReflists.xensource.com/archives/html/xen-devel/2008-12/msg00847.htmlRefopenwall.com/lists/oss-security/2008/12/19/1Refwww.securityfocus.com/bid/31499Refexchange.xforce.ibmcloud.com/vulnerabilities/47668Reflists.xensource.com/archives/html/xen-devel/2008-12/msg00842.htmlReflists.xensource.com/archives/html/xen-devel/2008-12/msg00845.htmlReflists.xensource.com/archives/html/xen-devel/2008-12/msg00846.html

How CyberStrike helps

Frequently asked questions

What is CVE-2008-5716?

CVE-2008-5716 is a high-severity vulnerability affecting citrix xen. It was published on December 24, 2008 and has a CVSS 2.0 base score of 7.2 (HIGH).

How severe is CVE-2008-5716?

This vulnerability has a CVSS 2.0 base score of 7.2, rated HIGH. 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-2008-5716?

Check the references section for vendor advisories and patches from citrix. 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-2008-5716?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2008-5716 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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