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CVE-2006-5397

2.1 · LOW

The Xinput module (modules/im/ximcp/imLcIm.c) in X.Org libX11 1.0.2 and 1.0.3 opens a file for reading twice using the same file descriptor, which causes a file descriptor leak that allows local us…

Published Nov 3, 2006x.orgEPSS 0.36%

Overview

CVE-2006-5397 is a low-severity vulnerability affecting x.org libx11. It was published on November 3, 2006 and has a CVSS 2.0 base score of 2.1 (LOW).

This vulnerability has a CVSS 2.0 base score of 2.1, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

The Xinput module (modules/im/ximcp/imLcIm.c) in X.Org libX11 1.0.2 and 1.0.3 opens a file for reading twice using the same file descriptor, which causes a file descriptor leak that allows local users to read files specified by the XCOMPOSEFILE environment variable via the duplicate file descriptor.

Remediation

Check the references section for vendor advisories and patches from x.org. Update libx11 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

Refgitweb.freedesktop.org/?p=xorg/lib/libX11.git%3Ba=commit%3Bh=686bb8b35acf6cecae80fe89b2b5853f5816ce19Refsecunia.com/advisories/22642Refsecunia.com/advisories/22749Refwww.mandriva.com/security/advisories?name=MDKSA-2006:199Refwww.securityfocus.com/bid/20845Refwww.vupen.com/english/advisories/2006/4289Refbugs.freedesktop.org/show_bug.cgi?id=8699Refexchange.xforce.ibmcloud.com/vulnerabilities/29956Refgitweb.freedesktop.org/?p=xorg/lib/libX11.git%3Ba=commit%3Bh=686bb8b35acf6cecae80fe89b2b5853f5816ce19Refsecunia.com/advisories/22642

How CyberStrike helps

Frequently asked questions

What is CVE-2006-5397?

CVE-2006-5397 is a low-severity vulnerability affecting x.org libx11. It was published on November 3, 2006 and has a CVSS 2.0 base score of 2.1 (LOW).

How severe is CVE-2006-5397?

This vulnerability has a CVSS 2.0 base score of 2.1, 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-2006-5397?

Check the references section for vendor advisories and patches from x.org. Update libx11 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-2006-5397?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2006-5397 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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