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Status published
Medium
CVE-2000-0549
Kerberos 4 KDC program does not properly check for null...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
More from cygnus
View All →CVE-2000-0550
Kerberos 4 KDC program improperly frees memory twice (aka "double-free"),...
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CVE-2000-0392
Buffer overflow in ksu in Kerberos 5 allows local users...
High
7.2
CVE-2000-0391
Buffer overflow in krshd in Kerberos 5 allows remote attackers...
Critical
10
CVE-2000-0390
Buffer overflow in krb425_conv_principal function in Kerberos 5 allows remote...
Critical
10
CVE-2000-0389
Buffer overflow in krb_rd_req function in Kerberos 4 and 5...
Critical
10
Affected Vendor
cygnus
View all reports →Affected Software
cygnus network security, kerbnet, kerberos, kerberos 5
Vulnerable Versions:
4.0, 5.0, 1.0, 1.1, 1.1.1
Timeline
Official Publish:
October 13th, 2000
Last Modified:
August 8th, 2024
Added to House:
July 17th, 2026
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.