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National Cyber-Alert System

Vulnerability Summary for CVE-2006-6144

Original release date:12/31/2006
Last revised:05/27/2009
Source: US-CERT/NIST

Overview

The "mechglue" abstraction interface of the GSS-API library for Kerberos 5 1.5 through 1.5.1, as used in Kerberos administration daemon (kadmind) and other products that use this library, allows remote attackers to cause a denial of service (crash) via unspecified vectors that cause mechglue to free uninitialized pointers.

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

Vendor Statments (disclaimer)

Official Statement from Mandriva (01/19/2007)
Not vulnerable. Mandriva 2007.0 and earlier ship with Kerberos 5 version 1.4.x and as a result are not vulnerable to these issues.
Official Statement from Red Hat (03/14/2007)
Not vulnerable. Red Hat Enterprise Linux 2.1, 3, and 4 ship with versions of Kerberos 5 prior to version 1.4 and are therefore not affected by these vulnerabilities. Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.

References to Advisories, Solutions, and Tools

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US-CERT Technical Alert: TA07-009B
Name: TA07-009B
Type: Advisory; Patch Information
Hyperlink:http://www.us-cert.gov/cas/techalerts/TA07-009B.html
US-CERT Vulnerability Note: VU#831452
Name: VU#831452
Type: Advisory; Patch Information
Hyperlink:http://www.kb.cert.org/vuls/id/831452
External Source: CONFIRM
Name: http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2006-003-mechglue.txt
Type: Advisory; Patch Information
Hyperlink:http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2006-003-mechglue.txt
External Source: SUNALERT
Name: 201294
Hyperlink:http://sunsolve.sun.com/search/document.do?assetkey=1-26-201294-1
External Source: SECUNIA
Name: 35151
Hyperlink:http://secunia.com/advisories/35151
External Source: OSVDB
Name: 31280
Hyperlink:http://osvdb.org/31280
External Source: CONFIRM
Name: https://issues.rpath.com/browse/RPL-925
Hyperlink:https://issues.rpath.com/browse/RPL-925
External Source: XF
Name: kerberos-gssapi-code-execution(31417)
Hyperlink:http://xforce.iss.net/xforce/xfdb/31417
External Source: BID
Name: 21975
Hyperlink:http://www.securityfocus.com/bid/21975
External Source: BUGTRAQ
Name: 20070109 MITKRB5-SA-2006-003: kadmind (via GSS-API lib) frees uninitialized pointers
Hyperlink:http://www.securityfocus.com/archive/1/archive/1/456409/100/0/threaded
External Source: OPENPKG
Name: OpenPKG-SA-2007.006
Hyperlink:http://www.openpkg.com/security/advisories/OpenPKG-SA-2007.006.html
External Source: VUPEN
Name: ADV-2007-0112
Hyperlink:http://www.frsirt.com/english/advisories/2007/0112
External Source: VUPEN
Name: ADV-2007-0111
Hyperlink:http://www.frsirt.com/english/advisories/2007/0111
External Source: SUNALERT
Name: 102772
Hyperlink:http://sunsolve.sun.com/search/document.do?assetkey=1-26-102772-1
External Source: SECTRACK
Name: 1017494
Hyperlink:http://securitytracker.com/id?1017494
External Source: GENTOO
Name: GLSA-200701-21
Hyperlink:http://security.gentoo.org/glsa/glsa-200701-21.xml
External Source: SECUNIA
Name: 23903
Hyperlink:http://secunia.com/advisories/23903
External Source: SECUNIA
Name: 23706
Hyperlink:http://secunia.com/advisories/23706
External Source: SECUNIA
Name: 23701
Hyperlink:http://secunia.com/advisories/23701
External Source: SECUNIA
Name: 23690
Hyperlink:http://secunia.com/advisories/23690
External Source: SUSE
Name: SUSE-SA:2007:004
Hyperlink:http://lists.suse.com/archive/suse-security-announce/2007-Jan/0004.html
External Source: FEDORA
Name: FEDORA-2007-033
Hyperlink:http://fedoranews.org/cms/node/2375

Vulnerable software and versions

Nav control imageConfiguration 1
spacerNav control imageOR
spacerspacerNav control image* cpe:/a:mit:kerberos:5-1.5
spacerspacerNav control image* cpe:/a:mit:kerberos:5-1.5.1 and previous versions
* 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-2006-6144