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CVE-2011-1428

5.8 · MEDIUM

Wee Enhanced Environment for Chat (aka WeeChat) 0.3.4 and earlier does not properly verify that the server hostname matches the domain name of the subject of an X.509 certificate, which allows man-…

Published Mar 16, 2011flashtuxCWE-20EPSS 1.08%

Overview

CVE-2011-1428 is a medium-severity vulnerability affecting flashtux weechat. It was published on March 16, 2011 and has a CVSS 2.0 base score of 5.8 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.8, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Wee Enhanced Environment for Chat (aka WeeChat) 0.3.4 and earlier does not properly verify that the server hostname matches the domain name of the subject of an X.509 certificate, which allows man-in-the-middle attackers to spoof an SSL chat server via an arbitrary certificate, related to incorrect use of the GnuTLS API.

Remediation

Check the references section for vendor advisories and patches from flashtux. Update weechat 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
flashtuxweechat0Affected

References

Refarchives.neohapsis.com/archives/fulldisclosure/2011-02/0671.htmlRefgit.savannah.gnu.org/gitweb/?p=weechat.git%3Ba=commit%3Bh=c265cad1c95b84abfd4e8d861f25926ef13b5d91Refsavannah.nongnu.org/patch/index.php?7459Refsecunia.com/advisories/43543Refwww.securityfocus.com/bid/46612Refarchives.neohapsis.com/archives/fulldisclosure/2011-02/0671.htmlRefgit.savannah.gnu.org/gitweb/?p=weechat.git%3Ba=commit%3Bh=c265cad1c95b84abfd4e8d861f25926ef13b5d91Refsavannah.nongnu.org/patch/index.php?7459Refsecunia.com/advisories/43543Refwww.securityfocus.com/bid/46612

How CyberStrike helps

Frequently asked questions

What is CVE-2011-1428?

CVE-2011-1428 is a medium-severity vulnerability affecting flashtux weechat. It was published on March 16, 2011 and has a CVSS 2.0 base score of 5.8 (MEDIUM).

How severe is CVE-2011-1428?

This vulnerability has a CVSS 2.0 base score of 5.8, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-1428?

Check the references section for vendor advisories and patches from flashtux. Update weechat 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-2011-1428?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-1428 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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