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CVE-2000-0548

5.0 · MEDIUM

Buffer overflow in Kerberos 4 KDC program allows remote attackers to cause a denial of service via the e_msg variable in the kerb_err_reply function.

Published Jun 9, 2000cygnus_network_security_projectCWE-120EPSS 2.89%

Overview

CVE-2000-0548 is a medium-severity vulnerability affecting cygnus_network_security_project cygnus_network_security. It was published on June 9, 2000 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

Buffer overflow in Kerberos 4 KDC program allows remote attackers to cause a denial of service via the e_msg variable in the kerb_err_reply function.

Remediation

Check the references section for vendor advisories and patches from cygnus_network_security_project. Update cygnus_network_security 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
mitkerberos>= 0, < 4.0Affected
mitkerberos_51.0Affected

References

Refarchives.neohapsis.com/archives/bugtraq/2000-06/0064.htmlRefciac.llnl.gov/ciac/bulletins/k-051.shtmlRefweb.mit.edu/kerberos/www/advisories/krb4kdc.txtRefwww.cert.org/advisories/CA-2000-11.htmlRefwww.osvdb.org/4875Refwww.redhat.com/support/errata/RHSA-2000-031.htmlRefarchives.neohapsis.com/archives/bugtraq/2000-06/0064.htmlRefciac.llnl.gov/ciac/bulletins/k-051.shtmlRefweb.mit.edu/kerberos/www/advisories/krb4kdc.txtRefwww.cert.org/advisories/CA-2000-11.html

How CyberStrike helps

Frequently asked questions

What is CVE-2000-0548?

CVE-2000-0548 is a medium-severity vulnerability affecting cygnus_network_security_project cygnus_network_security. It was published on June 9, 2000 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2000-0548?

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-2000-0548?

Check the references section for vendor advisories and patches from cygnus_network_security_project. Update cygnus_network_security 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-2000-0548?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2000-0548 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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