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CVE-2011-4029

1.9 · LOW

The LockServer function in os/utils.c in X.Org xserver before 1.11.2 allows local users to change the permissions of arbitrary files to 444, read those files, and possibly cause a denial of service…

Published Jul 3, 2012x.orgCWE-362EPSS 0.60%

Overview

CVE-2011-4029 is a low-severity vulnerability affecting x.org x_server. It was published on July 3, 2012 and has a CVSS 2.0 base score of 1.9 (LOW).

This vulnerability has a CVSS 2.0 base score of 1.9, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

The LockServer function in os/utils.c in X.Org xserver before 1.11.2 allows local users to change the permissions of arbitrary files to 444, read those files, and possibly cause a denial of service (removed execution permission) via a symlink attack on a temporary lock file.

Remediation

Check the references section for vendor advisories and patches from x.org. Update x_server 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
x.orgx_server0Affected

References

Refcgit.freedesktop.org/xorg/xserver/commit/?id=b67581cf825940fdf52bf2e0af4330e695d724a4Reflists.freedesktop.org/archives/xorg/2011-October/053680.htmlRefrhn.redhat.com/errata/RHSA-2012-0939.htmlRefsecunia.com/advisories/46460Refsecunia.com/advisories/49579Refcgit.freedesktop.org/xorg/xserver/commit/?id=b67581cf825940fdf52bf2e0af4330e695d724a4Reflists.freedesktop.org/archives/xorg/2011-October/053680.htmlRefrhn.redhat.com/errata/RHSA-2012-0939.htmlRefsecunia.com/advisories/46460Refsecunia.com/advisories/49579

How CyberStrike helps

Frequently asked questions

What is CVE-2011-4029?

CVE-2011-4029 is a low-severity vulnerability affecting x.org x_server. It was published on July 3, 2012 and has a CVSS 2.0 base score of 1.9 (LOW).

How severe is CVE-2011-4029?

This vulnerability has a CVSS 2.0 base score of 1.9, rated LOW. 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-2011-4029?

Check the references section for vendor advisories and patches from x.org. Update x_server 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-2011-4029?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-4029 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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