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CVE-2009-0846

Date: April 8, 2009

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.

Severity Score

9.8

Related Resources (53)

Url: http://www.securityfocus.com/archive/1/502527/100/0/threaded

Url: http://secunia.com/advisories/35667

Url: http://www.vupen.com/english/advisories/2009/2248

Url: http://security.gentoo.org/glsa/glsa-200904-09.xml

Url: http://secunia.com/advisories/34734

Url: http://secunia.com/advisories/34617

Url: http://www.vupen.com/english/advisories/2009/2084

Url: http://support.avaya.com/elmodocs2/security/ASA-2009-142.htm

Url: https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6301

Url: http://lists.vmware.com/pipermail/security-announce/2009/000059.html

Url: http://secunia.com/advisories/35074

Url: http://wiki.rpath.com/wiki/Advisories:rPSA-2009-0058

Url: http://www.vupen.com/english/advisories/2009/0976

Url: http://www.vupen.com/english/advisories/2009/1106

Url: http://www.securityfocus.com/archive/1/502546/100/0/threaded

Url: http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047181.html

Url: http://www.mandriva.com/security/advisories?name=MDVSA-2009:098

Url: http://www.vmware.com/security/advisories/VMSA-2009-0008.html

Url: https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10694

Url: http://lists.apple.com/archives/security-announce/2009/May/msg00002.html

Url: http://secunia.com/advisories/34640

Url: http://www.securityfocus.com/archive/1/504683/100/0/threaded

Url: http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2009-002.txt

Url: http://marc.info/?l=bugtraq&m=130497213107107&w=2

Url: http://www-01.ibm.com/support/docview.wss?uid=swg21396120

Url: http://www.securitytracker.com/id?1021994

Url: http://www.ubuntu.com/usn/usn-755-1

Url: http://secunia.com/advisories/34637

Url: http://www.vupen.com/english/advisories/2009/1297

Url: http://www.kb.cert.org/vuls/id/662091

Url: http://www.vupen.com/english/advisories/2009/0960

Url: http://www.vupen.com/english/advisories/2009/1057

Url: http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047180.html

Url: http://rhn.redhat.com/errata/RHSA-2009-0409.html

Url: http://secunia.com/advisories/34594

Url: http://secunia.com/advisories/34630

Url: http://sunsolve.sun.com/search/document.do?assetkey=1-26-256728-1

Url: http://secunia.com/advisories/34598

Url: http://wiki.rpath.com/Advisories:rPSA-2009-0058

Url: https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00206.html

Url: http://marc.info/?l=bugtraq&m=124896429301168&w=2

Url: https://nvd.nist.gov/vuln/detail/CVE-2009-0846

Url: http://rhn.redhat.com/errata/RHSA-2009-0410.html

Url: http://www.us-cert.gov/cas/techalerts/TA09-133A.html

Url: http://www.securityfocus.com/bid/34409

Url: http://secunia.com/advisories/34622

Url: http://www.redhat.com/support/errata/RHSA-2009-0408.html

Url: https://access.redhat.com/security/cve/CVE-2009-0846

Url: http://secunia.com/advisories/34628

Url: https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5483

Url: http://support.apple.com/kb/HT3549

Url: https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00205.html

Url: https://www.mend.io/vulnerability-database/CVE-2009-0846

Severity Score

9.8

Weakness Type (CWE)

Access of Uninitialized Pointer

CWE-824

Improper Input Validation

CWE-20

CVSS v3.1

Base Score:	9.8
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	10.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	COMPLETE
Integrity (I):	COMPLETE
Availability (A):	COMPLETE
Additional information:

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