Unrated severityNVD Advisory· Published Jun 9, 2000· Updated Apr 16, 2026
CVE-2000-0549
CVE-2000-0549
Description
Kerberos 4 KDC program does not properly check for null termination of AUTH_MSG_KDC_REQUEST requests, which allows remote attackers to cause a denial of service via a malformed request.
Affected products
6- cpe:2.3:a:cygnus:cygnus_network_security:4.0:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.0:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:mit:kerberos_5:1.0:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.1:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.1.1:*:*:*:*:*:*:*
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
5- www.cert.org/advisories/CA-2000-11.htmlnvdPatchThird Party AdvisoryUS Government Resource
- archives.neohapsis.com/archives/bugtraq/2000-06/0064.htmlnvdExploitPatchVendor Advisory
- ciac.llnl.gov/ciac/bulletins/k-051.shtmlnvd
- web.mit.edu/kerberos/www/advisories/krb4kdc.txtnvd
- www.redhat.com/support/errata/RHSA-2000-031.htmlnvd
News mentions
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