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CVE-2006-5989

5.0 · MEDIUM

Off-by-one error in the der_get_oid function in mod_auth_kerb 5.0 allows remote attackers to cause a denial of service (crash) via a crafted Kerberos message that triggers a heap-based buffer overf…

Published Nov 20, 2006mod_auth_kerbEPSS 3.73%

Overview

CVE-2006-5989 is a medium-severity vulnerability affecting mod_auth_kerb mod_auth_kerb. It was published on November 20, 2006 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Off-by-one error in the der_get_oid function in mod_auth_kerb 5.0 allows remote attackers to cause a denial of service (crash) via a crafted Kerberos message that triggers a heap-based buffer overflow in the component array.

Remediation

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

Refsecunia.com/advisories/23023Refsecunia.com/advisories/23251Refsecunia.com/advisories/23681Refsecunia.com/advisories/23820Refsecurity.gentoo.org/glsa/glsa-200701-14.xmlRefsecuritytracker.com/id?1017348Refwww.debian.org/security/2007/dsa-1247Refwww.mandriva.com/security/advisories?name=MDKSA-2006:218Refwww.redhat.com/support/errata/RHSA-2006-0746.htmlRefwww.securityfocus.com/bid/21214

How CyberStrike helps

Frequently asked questions

What is CVE-2006-5989?

CVE-2006-5989 is a medium-severity vulnerability affecting mod_auth_kerb mod_auth_kerb. It was published on November 20, 2006 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2006-5989?

This vulnerability has a CVSS 2.0 base score of 5.0, 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-2006-5989?

Check the references section for vendor advisories and patches from mod_auth_kerb. Update mod_auth_kerb 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-2006-5989?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2006-5989 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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