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CVE-2011-4862

Published Dec 25, 2011 gnu CWE-120

Overview

CVE-2011-4862 is a known-severity vulnerability affecting gnu inetutils. It was published on December 25, 2011.

Technical Description

Buffer overflow in libtelnet/encrypt.c in telnetd in FreeBSD 7.3 through 9.0, MIT Kerberos Version 5 Applications (aka krb5-appl) 1.0.2 and earlier, Heimdal 1.5.1 and earlier, GNU inetutils, and possibly other products allows remote attackers to execute arbitrary code via a long encryption key, as exploited in the wild in December 2011.

Remediation

Check the references section for vendor advisories and patches from gnu. Update inetutils 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
gnu inetutils >= 0, < 1.9 Affected
heimdal_project heimdal 0 Affected
mit krb5-appl 0 Affected
freebsd freebsd 7.3 Affected

References

Ref archives.neohapsis.com/archives/bugtraq/2011-12/0172.html Ref git.savannah.gnu.org/cgit/inetutils.git/commit/?id=665f1e73cdd9b38e2d2e11b8db9958a315935592 Ref lists.fedoraproject.org/pipermail/package-announce/2012-January/071627.html Ref lists.fedoraproject.org/pipermail/package-announce/2012-January/071640.html Ref lists.freebsd.org/pipermail/freebsd-security/2011-December/006117.html Ref lists.freebsd.org/pipermail/freebsd-security/2011-December/006118.html Ref lists.freebsd.org/pipermail/freebsd-security/2011-December/006119.html Ref lists.freebsd.org/pipermail/freebsd-security/2011-December/006120.html Ref lists.opensuse.org/opensuse-security-announce/2012-01/msg00002.html Ref lists.opensuse.org/opensuse-security-announce/2012-01/msg00004.html

Frequently Asked Questions

What is CVE-2011-4862?

CVE-2011-4862 is a known-severity vulnerability affecting gnu inetutils. It was published on December 25, 2011.

How severe is CVE-2011-4862?

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-2011-4862?

Check the references section for vendor advisories and patches from gnu. Update inetutils 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-2011-4862?

CyberStrike's AI-powered security agents can automatically detect CVE-2011-4862 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.

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