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CVE-2007-4993

6.9 · MEDIUM

pygrub (tools/pygrub/src/GrubConf.py) in Xen 3.0.3, when booting a guest domain, allows local users with elevated privileges in the guest domain to execute arbitrary commands in domain 0 via a craf…

Published Sep 27, 2007xensource_incCWE-20EPSS 0.63%

Overview

CVE-2007-4993 is a medium-severity vulnerability affecting xensource_inc xen. It was published on September 27, 2007 and has a CVSS 2.0 base score of 6.9 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 6.9, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

pygrub (tools/pygrub/src/GrubConf.py) in Xen 3.0.3, when booting a guest domain, allows local users with elevated privileges in the guest domain to execute arbitrary commands in domain 0 via a crafted grub.conf file whose contents are used in exec statements.

Remediation

Check the references section for vendor advisories and patches from xensource_inc. 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

Refbugzilla.xensource.com/bugzilla/show_bug.cgi?id=1068Refsecunia.com/advisories/26986Refsecunia.com/advisories/27047Refsecunia.com/advisories/27072Refsecunia.com/advisories/27085Refsecunia.com/advisories/27103Refsecunia.com/advisories/27141Refsecunia.com/advisories/27161Refsecunia.com/advisories/27486Refwww.debian.org/security/2007/dsa-1384

How CyberStrike helps

Frequently asked questions

What is CVE-2007-4993?

CVE-2007-4993 is a medium-severity vulnerability affecting xensource_inc xen. It was published on September 27, 2007 and has a CVSS 2.0 base score of 6.9 (MEDIUM).

How severe is CVE-2007-4993?

This vulnerability has a CVSS 2.0 base score of 6.9, 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-2007-4993?

Check the references section for vendor advisories and patches from xensource_inc. 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-2007-4993?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2007-4993 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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