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CVE-2006-0677

7.8 · HIGH

telnetd in Heimdal 0.6.x before 0.6.6 and 0.7.x before 0.7.2 allows remote unauthenticated attackers to cause a denial of service (server crash) via unknown vectors that trigger a null dereference.

Published Feb 14, 2006kthEPSS 3.14%

Overview

CVE-2006-0677 is a high-severity vulnerability affecting kth heimdal. It was published on February 14, 2006 and has a CVSS 2.0 base score of 7.8 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

telnetd in Heimdal 0.6.x before 0.6.6 and 0.7.x before 0.7.2 allows remote unauthenticated attackers to cause a denial of service (server crash) via unknown vectors that trigger a null dereference.

Remediation

Check the references section for vendor advisories and patches from kth. Update heimdal 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/18894Refsecunia.com/advisories/18961Refsecunia.com/advisories/19005Refsecurityreason.com/securityalert/449Refwww.debian.org/security/2006/dsa-977Refwww.osvdb.org/23244Refwww.securityfocus.com/archive/1/426043/100/0/threadedRefwww.securityfocus.com/bid/16676Refwww.stacken.kth.se/lists/heimdal-discuss/2006-02/msg00028.htmlRefwww.ubuntu.com/usn/usn-253-1

How CyberStrike helps

Frequently asked questions

What is CVE-2006-0677?

CVE-2006-0677 is a high-severity vulnerability affecting kth heimdal. It was published on February 14, 2006 and has a CVSS 2.0 base score of 7.8 (HIGH).

How severe is CVE-2006-0677?

This vulnerability has a CVSS 2.0 base score of 7.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2006-0677?

Check the references section for vendor advisories and patches from kth. Update heimdal 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-2006-0677?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2006-0677 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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