National Cyber-Alert System
Vulnerability Summary for CVE-2003-0138
Original release date:03/24/2003
Last revised:09/10/2008
Source:
US-CERT/NIST
Overview
Version 4 of the Kerberos protocol (krb4), as used in Heimdal and other packages, allows an attacker to impersonate any principal in a realm via a chosen-plaintext attack.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
6.4
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Provides unauthorized access, Allows partial confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service
References to Advisories, Solutions, and Tools
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US-CERT Vulnerability Note: VU#623217
Name: VU#623217
Type: Advisory; Patch Information
External Source: DEBIAN
Name: DSA-266
Type: Advisory; Patch Information
External Source: CONFIRM
Name: http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-004-krb4.txt
Type: Advisory; Patch Information
External Source: REDHAT
Name: RHSA-2003:091
External Source: REDHAT
Name: RHSA-2003:052
External Source: REDHAT
Name: RHSA-2003:051
External Source: DEBIAN
Name: DSA-273
External Source: DEBIAN
Name: DSA-269
External Source: BID
Name: 7113
External Source: BUGTRAQ
Name: 20030331 GLSA: krb5 & mit-krb5 (200303-28)
External Source: BUGTRAQ
Name: 20030317 MITKRB5-SA-2003-004: Cryptographic weaknesses in Kerberos v4 protocol
US Government Resource: oval:org.mitre.oval:def:248
Name: oval:org.mitre.oval:def:248
Type: Tool Signature