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Last updated: 5/4/2016 10:39:15 AM

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Vulnerability Summary for CVE-2009-0846

Original release date: 04/08/2009
Last revised: 09/06/2011


The asn1_decode_generaltime function in lib/krb5/asn.1/asn1_decode.c in the ASN.1 GeneralizedTime decoder in MIT Kerberos 5 (aka krb5) before 1.6.4 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via vectors involving an invalid DER encoding that triggers a free of an uninitialized pointer.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 10.0 HIGH
Impact Subscore: 10.0
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: BUGTRAQ
Name: 20090701 VMSA-2009-0008 ESX Service Console update for krb5
External Source: VUPEN
Name: ADV-2009-1106
External Source: CONFIRM
Name: http://wiki.rpath.com/Advisories:rPSA-2009-0058
External Source: CONFIRM
Name: http://support.avaya.com/elmodocs2/security/ASA-2009-142.htm
External Source: FEDORA
Name: FEDORA-2009-2834
External Source: APPLE
Name: APPLE-SA-2009-05-12
External Source: VUPEN
Name: ADV-2009-0976
External Source: FEDORA
Name: FEDORA-2009-2852
External Source: VUPEN
Name: ADV-2009-2248
External Source: HP
Name: SSRT090047
External Source: VUPEN
Name: ADV-2009-1057
External Source: SUNALERT
Name: 256728
External Source: MISC
Name: http://wiki.rpath.com/wiki/Advisories:rPSA-2009-0058
External Source: CONFIRM
Name: http://www-01.ibm.com/support/docview.wss?uid=swg21396120
US-CERT Vulnerability Note: CERT
Name: TA09-133A
External Source: VUPEN
Name: ADV-2009-2084
External Source: BID
Name: 34409
External Source: BUGTRAQ
Name: 20090407 MITKRB5-SA-2009-002: ASN.1 decoder frees uninitialized pointer [CVE-2009-0846]
External Source: REDHAT
Name: RHSA-2009:0409
External Source: MISC
Name: http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047180.html
External Source: CONFIRM
Name: http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2009-002.txt
Type: Advisory; Patch Information
External Source: MISC
Name: http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047181.html
External Source: CONFIRM
Name: http://support.apple.com/kb/HT3549
External Source: SECTRACK
Name: 1021994
External Source: BUGTRAQ
Name: 20090407 rPSA-2009-0058-1 krb5 krb5-server krb5-services krb5-test krb5-workstation
External Source: CONFIRM
Name: http://www.vmware.com/security/advisories/VMSA-2009-0008.html
External Source: HP
Name: HPSBOV02682
External Source: VUPEN
Name: ADV-2009-0960
External Source: UBUNTU
Name: USN-755-1
External Source: REDHAT
Name: RHSA-2009:0408
External Source: OVAL
Name: oval:org.mitre.oval:def:10694
External Source: OVAL
Name: oval:org.mitre.oval:def:5483
External Source: GENTOO
Name: GLSA-200904-09
External Source: VUPEN
Name: ADV-2009-1297
External Source: REDHAT
Name: RHSA-2009:0410
External Source: MLIST
Name: [security-announce] 20090701 VMSA-2009-0008 ESX Service Console update for krb5
External Source: OVAL
Name: oval:org.mitre.oval:def:6301
External Source: MANDRIVA
Name: MDVSA-2009:098

References to Check Content

Identifier: oval:org.mitre.oval:def:10694
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5
Identifier: oval:org.mitre.oval:def:5483
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5
Identifier: oval:org.mitre.oval:def:6301
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

Technical Details

Vulnerability Type (View All)