Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.

CVE-2009-0845 Details

Description

The spnego_gss_accept_sec_context function in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.5 through 1.6.3, when SPNEGO is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via invalid ContextFlags data in the reqFlags field in a negTokenInit token.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
http://krbdev.mit.edu/rt/Ticket/Display.html?user=guest&pass=guest&id=6402	CVE
http://lists.apple.com/archives/security-announce/2009/May/msg00002.html	CVE
http://secunia.com/advisories/34347	CVE	Vendor Advisory
http://secunia.com/advisories/34594	CVE
http://secunia.com/advisories/34617	CVE
http://secunia.com/advisories/34622	CVE
http://secunia.com/advisories/34628	CVE
http://secunia.com/advisories/34630	CVE
http://secunia.com/advisories/34637	CVE
http://secunia.com/advisories/34640	CVE
http://secunia.com/advisories/34734	CVE
http://secunia.com/advisories/35074	CVE	Vendor Advisory
http://security.gentoo.org/glsa/glsa-200904-09.xml	CVE
https://exchange.xforce.ibmcloud.com/vulnerabilities/49448	CVE
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10044	CVE
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6449	CVE
http://src.mit.edu/fisheye/browse/krb5/trunk/src/lib/gssapi/spnego/spnego_mech.c?r1=21875&r2=22084	CVE	Exploit
http://src.mit.edu/fisheye/changelog/krb5/?cs=22084	CVE	Vendor Advisory
http://sunsolve.sun.com/search/document.do?assetkey=1-26-256728-1	CVE
http://support.apple.com/kb/HT3549	CVE
http://support.avaya.com/elmodocs2/security/ASA-2009-142.htm	CVE
http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047180.html	CVE
http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047181.html	CVE
https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00205.html	CVE
https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00206.html	CVE
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2009-001.txt	CVE
http://wiki.rpath.com/Advisories:rPSA-2009-0058	CVE
http://wiki.rpath.com/wiki/Advisories:rPSA-2009-0058	CVE
http://www-01.ibm.com/support/docview.wss?uid=swg21396120	CVE
http://www.kb.cert.org/vuls/id/662091	CVE	US Government Resource
http://www.mandriva.com/security/advisories?name=MDVSA-2009:082	CVE
http://www.redhat.com/support/errata/RHSA-2009-0408.html	CVE
http://www.securityfocus.com/archive/1/502526/100/0/threaded	CVE
http://www.securityfocus.com/archive/1/502546/100/0/threaded	CVE
http://www.securityfocus.com/bid/34257	CVE
http://www.securitytracker.com/id?1021867	CVE
http://www.ubuntu.com/usn/usn-755-1	CVE
http://www.us-cert.gov/cas/techalerts/TA09-133A.html	CVE	US Government Resource
http://www.vupen.com/english/advisories/2009/0847	CVE	Vendor Advisory
http://www.vupen.com/english/advisories/2009/0976	CVE
http://www.vupen.com/english/advisories/2009/1057	CVE
http://www.vupen.com/english/advisories/2009/1106	CVE
http://www.vupen.com/english/advisories/2009/1297	CVE
http://www.vupen.com/english/advisories/2009/2248	CVE	Vendor Advisory
http://krbdev.mit.edu/rt/Ticket/Display.html?user=guest&pass=guest&id=6402	[email protected]
http://lists.apple.com/archives/security-announce/2009/May/msg00002.html	[email protected]
http://secunia.com/advisories/34347	[email protected]	Vendor Advisory
http://secunia.com/advisories/34594	[email protected]
http://secunia.com/advisories/34617	[email protected]
http://secunia.com/advisories/34622	[email protected]
http://secunia.com/advisories/34628	[email protected]
http://secunia.com/advisories/34630	[email protected]
http://secunia.com/advisories/34637	[email protected]
http://secunia.com/advisories/34640	[email protected]
http://secunia.com/advisories/34734	[email protected]
http://secunia.com/advisories/35074	[email protected]	Vendor Advisory
http://security.gentoo.org/glsa/glsa-200904-09.xml	[email protected]
https://exchange.xforce.ibmcloud.com/vulnerabilities/49448	[email protected]
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10044	[email protected]
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6449	[email protected]
http://src.mit.edu/fisheye/browse/krb5/trunk/src/lib/gssapi/spnego/spnego_mech.c?r1=21875&r2=22084	[email protected]	Exploit
http://src.mit.edu/fisheye/changelog/krb5/?cs=22084	[email protected]	Vendor Advisory
http://sunsolve.sun.com/search/document.do?assetkey=1-26-256728-1	[email protected]
http://support.apple.com/kb/HT3549	[email protected]
http://support.avaya.com/elmodocs2/security/ASA-2009-142.htm	[email protected]
http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047180.html	[email protected]
http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047181.html	[email protected]
https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00205.html	[email protected]
https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00206.html	[email protected]
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2009-001.txt	[email protected]
http://wiki.rpath.com/Advisories:rPSA-2009-0058	[email protected]
http://wiki.rpath.com/wiki/Advisories:rPSA-2009-0058	[email protected]
http://www-01.ibm.com/support/docview.wss?uid=swg21396120	[email protected]
http://www.kb.cert.org/vuls/id/662091	[email protected]	US Government Resource
http://www.mandriva.com/security/advisories?name=MDVSA-2009:082	[email protected]
http://www.redhat.com/support/errata/RHSA-2009-0408.html	[email protected]
http://www.securityfocus.com/archive/1/502526/100/0/threaded	[email protected]
http://www.securityfocus.com/archive/1/502546/100/0/threaded	[email protected]
http://www.securityfocus.com/bid/34257	[email protected]
http://www.securitytracker.com/id?1021867	[email protected]
http://www.ubuntu.com/usn/usn-755-1	[email protected]
http://www.us-cert.gov/cas/techalerts/TA09-133A.html	[email protected]	US Government Resource
http://www.vupen.com/english/advisories/2009/0847	[email protected]	Vendor Advisory
http://www.vupen.com/english/advisories/2009/0976	[email protected]
http://www.vupen.com/english/advisories/2009/1057	[email protected]
http://www.vupen.com/english/advisories/2009/1106	[email protected]
http://www.vupen.com/english/advisories/2009/1297	[email protected]
http://www.vupen.com/english/advisories/2009/2248	[email protected]	Vendor Advisory

see all 88 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-20	Improper Input Validation	[email protected]

Affected Products

Product	Versions
mit kerberos	5-1.6.3
CPE cpe:2.3:a:mit:kerberos:5-1.6.3:::::::* Remediation No remediation found in references.
mit kerberos 5	1.5 1.5.1 1.5.2 1.5.3 1.6
CPE cpe:2.3:a:mit:kerberos_5:1.5:::::::* cpe:2.3:a:mit:kerberos_5:1.5.1:::::::* cpe:2.3:a:mit:kerberos_5:1.5.2:::::::* cpe:2.3:a:mit:kerberos_5:1.5.3:::::::* cpe:2.3:a:mit:kerberos_5:1.6:::::::* cpe:2.3:a:mit:kerberos_5:1.6.1:::::::* cpe:2.3:a:mit:kerberos_5:1.6.2:::::::* Remediation No remediation found in references.

Change History

15 change records found show changes

Date	Action	Recorded By
Jun 16, 2026	CVE Modified	[email protected]
Apr 23, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Jan 21, 2020	CPE Deprecation Remap	[email protected]
Jan 21, 2020	CPE Deprecation Remap	[email protected]
Jan 21, 2020	CPE Deprecation Remap	[email protected]
Jan 21, 2020	CPE Deprecation Remap	[email protected]
Jan 21, 2020	CPE Deprecation Remap	[email protected]
Jan 21, 2020	CPE Deprecation Remap	[email protected]
Jan 21, 2020	CPE Deprecation Remap	[email protected]
Oct 10, 2018	CVE Modified	[email protected]
Sep 29, 2017	CVE Modified	[email protected]
Aug 17, 2017	CVE Modified	[email protected]
Mar 30, 2009	Initial Analysis	[email protected]