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Last updated: Sun Nov 22 16:14:42 EST 2009

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National Cyber-Alert System

Vulnerability Summary for CVE-2004-0644

Original release date:09/28/2004
Last revised:09/10/2008
Source: US-CERT/NIST

Overview

The asn1buf_skiptail function in the ASN.1 decoder library for MIT Kerberos 5 (krb5) 1.2.2 through 1.3.4 allows remote attackers to cause a denial of service (infinite loop) via a certain BER encoding.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:5.0 (MEDIUM) (AV:N/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows disruption of serviceUnknown

References to Advisories, Solutions, and Tools

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US-CERT Technical Alert: TA04-247A
Name: TA04-247A
Hyperlink:http://www.us-cert.gov/cas/techalerts/TA04-247A.html
US-CERT Vulnerability Note: VU#550464
Name: VU#550464
Hyperlink:http://www.kb.cert.org/vuls/id/550464
External Source: XF
Name: kerberos-asn1-library-dos(17160)
Type: Advisory; Patch Information
Hyperlink:http://xforce.iss.net/xforce/xfdb/17160
External Source: TRUSTIX
Name: 2004-0045
Type: Advisory; Patch Information
Hyperlink:http://www.trustix.net/errata/2004/0045/
External Source: GENTOO
Name: GLSA-200409-09
Type: Advisory; Patch Information
Hyperlink:http://www.gentoo.org/security/en/glsa/glsa-200409-09.xml
External Source: BID
Name: 11079
Hyperlink:http://www.securityfocus.com/bid/11079
External Source: DEBIAN
Name: DSA-543
Hyperlink:http://www.debian.org/security/2004/dsa-543
External Source: CONFIRM
Name: http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2004-003-asn1.txt
Hyperlink:http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2004-003-asn1.txt
External Source: REDHAT
Name: RHSA-2004:350
Hyperlink:http://rhn.redhat.com/errata/RHSA-2004-350.html
External Source: BUGTRAQ
Name: 20040913 [OpenPKG-SA-2004.039] OpenPKG Security Advisory (kerberos)
Hyperlink:http://marc.theaimsgroup.com/?l=bugtraq&m=109508872524753&w=2
External Source: CONECTIVA
Name: CLA-2004:860
Hyperlink:http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000860
US Government Resource: oval:org.mitre.oval:def:2139
Name: oval:org.mitre.oval:def:2139
Type: Tool Signature
Hyperlink:http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:2139

Vulnerable software and versions

Nav control imageConfiguration 1
spacerNav control imageOR
spacerspacerNav control image* cpe:/a:mit:kerberos:5-1.2.2
spacerspacerNav control image* cpe:/a:mit:kerberos:5-1.2.3
spacerspacerNav control image* cpe:/a:mit:kerberos:5-1.2.4
spacerspacerNav control image* cpe:/a:mit:kerberos:5-1.2.5
spacerspacerNav control image* cpe:/a:mit:kerberos:5-1.2.6
spacerspacerNav control image* cpe:/a:mit:kerberos:5-1.2.7
spacerspacerNav control image* cpe:/a:mit:kerberos:5-1.2.8
spacerspacerNav control image* cpe:/a:mit:kerberos:5-1.3
spacerspacerNav control image* cpe:/a:mit:kerberos:5-1.3.1
spacerspacerNav control image* cpe:/a:mit:kerberos:5-1.3.2
spacerspacerNav control image* cpe:/a:mit:kerberos:5-1.3.3
spacerspacerNav control image* cpe:/a:mit:kerberos:5-1.3.4
spacerspacerNav control image* cpe:/a:mit:kerberos:5-1.3:alpha1
* Denotes Vulnerable Software
* Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)
CVE Standard Vulnerability Entry:http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-0644