National Vulnerability Database (NVD) National Vulnerability Database (CVE-2003-0139)

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Last updated: Sun Nov 22 17:44:49 EST 2009

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Vulnerability Summary for CVE-2003-0139

Original release date:03/24/2003

Last revised:09/10/2008

Source: US-CERT/NIST

Overview

Certain weaknesses in the implementation of version 4 of the Kerberos protocol (krb4) in the krb5 distribution, when triple-DES keys are used to key krb4 services, allow an attacker to create krb4 tickets for unauthorized principals using a cut-and-paste attack and "ticket splicing."

Impact

CVSS Severity (version 2.0):

CVSS v2 Base Score:7.5 (HIGH) (AV:N/AC:L/Au:N/C:P/I:P/A:P) (legend)

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

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US-CERT Vulnerability Note: VU#442569

Name: VU#442569

Type: Advisory; Patch Information

Hyperlink:http://www.kb.cert.org/vuls/id/442569

External Source: CONFIRM

Name: http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-004-krb4.txt

Type: Advisory; Patch Information

Hyperlink:http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-004-krb4.txt

External Source: BUGTRAQ

Name: 20030319 MITKRB5-SA-2003-004: Cryptographic weaknesses in Kerberos v4

Type: Advisory; Patch Information

Hyperlink:http://marc.theaimsgroup.com/?l=bugtraq&m=104791775804776&w=2