CVE-2009-0845
MIT Kerberos 5 1.5-1.6.3 - Denial of Service via Invalid SPNEGO ContextFlags
Title source: llmDescription
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.
References (44)
Core 44
Core References
Vendor Advisory x_refsource_misc
http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047181.html
Vendor Advisory x_refsource_misc
http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047180.html
Third Party Advisory, VDB Entry mailing-list
x_refsource_bugtraq
http://www.securityfocus.com/archive/1/502526/100/0/threaded
US Government Resource third-party-advisory
x_refsource_cert-vn
http://www.kb.cert.org/vuls/id/662091
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/34257
Vendor Advisory vdb-entry
x_refsource_vupen
http://www.vupen.com/english/advisories/2009/0847
Vendor Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/34347
Vendor Advisory x_refsource_confirm
http://support.apple.com/kb/HT3549
Vendor Advisory x_refsource_confirm
http://support.avaya.com/elmodocs2/security/ASA-2009-142.htm
Exploit x_refsource_confirm
http://src.mit.edu/fisheye/browse/krb5/trunk/src/lib/gssapi/spnego/spnego_mech.c?r1=21875&r2=22084
Vendor Advisory vendor-advisory
x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2009-0408.html
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/34637
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/34640
Vendor Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/35074
Vendor Advisory vendor-advisory
x_refsource_mandriva
http://www.mandriva.com/security/advisories?name=MDVSA-2009:082
Vendor Advisory vendor-advisory
x_refsource_sunalert
http://sunsolve.sun.com/search/document.do?assetkey=1-26-256728-1
Third Party Advisory vendor-advisory
x_refsource_gentoo
http://security.gentoo.org/glsa/glsa-200904-09.xml
Third Party Advisory vdb-entry
x_refsource_vupen
http://www.vupen.com/english/advisories/2009/0976
Mailing List vendor-advisory
x_refsource_apple
http://lists.apple.com/archives/security-announce/2009/May/msg00002.html
Vendor Advisory vendor-advisory
x_refsource_ubuntu
http://www.ubuntu.com/usn/usn-755-1
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/34630
Various Sources x_refsource_confirm
http://www-01.ibm.com/support/docview.wss?uid=swg21396120
Third Party Advisory vdb-entry
x_refsource_vupen
http://www.vupen.com/english/advisories/2009/1057
Various Sources x_refsource_confirm
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2009-001.txt
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/34617
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/34628
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/34734
Third Party Advisory, VDB Entry vdb-entry
x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/49448
Third Party Advisory, VDB Entry vdb-entry
signature
x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6449
Vendor Advisory vdb-entry
x_refsource_vupen
http://www.vupen.com/english/advisories/2009/2248
US Government Resource third-party-advisory
x_refsource_cert
http://www.us-cert.gov/cas/techalerts/TA09-133A.html
Third Party Advisory x_refsource_misc
http://wiki.rpath.com/wiki/Advisories:rPSA-2009-0058
Third Party Advisory vdb-entry
x_refsource_vupen
http://www.vupen.com/english/advisories/2009/1297
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/34622
Various Sources x_refsource_confirm
http://krbdev.mit.edu/rt/Ticket/Display.html?user=guest&pass=guest&id=6402
Vendor Advisory vendor-advisory
x_refsource_fedora
https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00206.html
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id?1021867
Vendor Advisory vendor-advisory
x_refsource_fedora
https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00205.html
Third Party Advisory x_refsource_confirm
http://wiki.rpath.com/Advisories:rPSA-2009-0058
Third Party Advisory, VDB Entry vdb-entry
signature
x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10044
Vendor Advisory x_refsource_confirm
http://src.mit.edu/fisheye/changelog/krb5/?cs=22084
Third Party Advisory, VDB Entry mailing-list
x_refsource_bugtraq
http://www.securityfocus.com/archive/1/502546/100/0/threaded
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/34594
Third Party Advisory vdb-entry
x_refsource_vupen
http://www.vupen.com/english/advisories/2009/1106
Scores
EPSS
0.1931
EPSS Percentile
95.5%
Details
CWE
CWE-20
Status
published
Products (8)
mit/kerberos
5-1.6.3
mit/kerberos_5
1.5
mit/kerberos_5
1.5.1
mit/kerberos_5
1.5.2
mit/kerberos_5
1.5.3
mit/kerberos_5
1.6
mit/kerberos_5
1.6.1
mit/kerberos_5
1.6.2
Published
Mar 27, 2009
Tracked Since
Feb 18, 2026