CVE-2012-5642

Published Dec 31, 2012 fail2ban

Overview

CVE-2012-5642 is a known-severity vulnerability affecting fail2ban fail2ban. It was published on December 31, 2012.

Technical Description

server/action.py in Fail2ban before 0.8.8 does not properly handle the content of the matches tag, which might allow remote attackers to trigger unsafe behavior in a custom action file via unspecified symbols in this content.

Remediation

Check the references section for vendor advisories and patches from fail2ban. Update fail2ban 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

Vendor	Product	Versions	Status
fail2ban	fail2ban	0	Affected

References

Ref lists.opensuse.org/opensuse-updates/2013-04/msg00001.html Ref lists.opensuse.org/opensuse-updates/2013-04/msg00002.html Ref sourceforge.net/mailarchive/message.php?msg_id=30193056 Ref www.mandriva.com/security/advisories?name=MDVSA-2013:078 Ref www.openwall.com/lists/oss-security/2012/12/17/2 Ref bugs.gentoo.org/show_bug.cgi?id=447572 Ref bugzilla.redhat.com/show_bug.cgi?id=887914 GitHub github.com/fail2ban/fail2ban/commit/83109bc GitHub raw.github.com/fail2ban/fail2ban/master/ChangeLog Ref lists.opensuse.org/opensuse-updates/2013-04/msg00001.html

Frequently Asked Questions

What is CVE-2012-5642?

CVE-2012-5642 is a known-severity vulnerability affecting fail2ban fail2ban. It was published on December 31, 2012.

How severe is CVE-2012-5642?

CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.

How do I fix or remediate CVE-2012-5642?

How can CyberStrike help with CVE-2012-5642?

CyberStrike's AI-powered security agents can automatically detect CVE-2012-5642 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.