CVE-2009-0845

N/A Unknown
Published: March 27, 2009 Modified: April 23, 2026
View on NVD

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.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://krbdev.mit.edu/rt/Ticket/Display.html?user=guest&pass=guest&id=6402
Source: cve@mitre.org
http://lists.apple.com/archives/security-announce/2009/May/msg00002.html
Source: cve@mitre.org
http://secunia.com/advisories/34347
Source: cve@mitre.org
Vendor Advisory
http://secunia.com/advisories/34594
Source: cve@mitre.org
http://secunia.com/advisories/34617
Source: cve@mitre.org
http://secunia.com/advisories/34622
Source: cve@mitre.org
http://secunia.com/advisories/34628
Source: cve@mitre.org
http://secunia.com/advisories/34630
Source: cve@mitre.org
http://secunia.com/advisories/34637
Source: cve@mitre.org
http://secunia.com/advisories/34640
Source: cve@mitre.org
http://secunia.com/advisories/34734
Source: cve@mitre.org
http://secunia.com/advisories/35074
Source: cve@mitre.org
Vendor Advisory
http://security.gentoo.org/glsa/glsa-200904-09.xml
Source: cve@mitre.org
http://src.mit.edu/fisheye/browse/krb5/trunk/src/lib/gssapi/spnego/spnego_mech.c?r1=21875&r2=22084
Source: cve@mitre.org
Exploit
http://src.mit.edu/fisheye/changelog/krb5/?cs=22084
Source: cve@mitre.org
Vendor Advisory
http://sunsolve.sun.com/search/document.do?assetkey=1-26-256728-1
Source: cve@mitre.org
http://support.apple.com/kb/HT3549
Source: cve@mitre.org
http://support.avaya.com/elmodocs2/security/ASA-2009-142.htm
Source: cve@mitre.org
http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047180.html
Source: cve@mitre.org
http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047181.html
Source: cve@mitre.org
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2009-001.txt
Source: cve@mitre.org
http://wiki.rpath.com/Advisories:rPSA-2009-0058
Source: cve@mitre.org
http://wiki.rpath.com/wiki/Advisories:rPSA-2009-0058
Source: cve@mitre.org
http://www-01.ibm.com/support/docview.wss?uid=swg21396120
Source: cve@mitre.org
http://www.kb.cert.org/vuls/id/662091
Source: cve@mitre.org
US Government Resource
http://www.mandriva.com/security/advisories?name=MDVSA-2009:082
Source: cve@mitre.org
http://www.redhat.com/support/errata/RHSA-2009-0408.html
Source: cve@mitre.org
http://www.securityfocus.com/archive/1/502526/100/0/threaded
Source: cve@mitre.org
http://www.securityfocus.com/archive/1/502546/100/0/threaded
Source: cve@mitre.org
http://www.securityfocus.com/bid/34257
Source: cve@mitre.org
http://www.securitytracker.com/id?1021867
Source: cve@mitre.org
http://www.ubuntu.com/usn/usn-755-1
Source: cve@mitre.org
http://www.us-cert.gov/cas/techalerts/TA09-133A.html
Source: cve@mitre.org
US Government Resource
http://www.vupen.com/english/advisories/2009/0847
Source: cve@mitre.org
Vendor Advisory
http://www.vupen.com/english/advisories/2009/0976
Source: cve@mitre.org
http://www.vupen.com/english/advisories/2009/1057
Source: cve@mitre.org
http://www.vupen.com/english/advisories/2009/1106
Source: cve@mitre.org
http://www.vupen.com/english/advisories/2009/1297
Source: cve@mitre.org
http://www.vupen.com/english/advisories/2009/2248
Source: cve@mitre.org
Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/49448
Source: cve@mitre.org
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10044
Source: cve@mitre.org
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6449
Source: cve@mitre.org
https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00205.html
Source: cve@mitre.org
https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00206.html
Source: cve@mitre.org
http://krbdev.mit.edu/rt/Ticket/Display.html?user=guest&pass=guest&id=6402
Source: af854a3a-2127-422b-91ae-364da2661108
http://lists.apple.com/archives/security-announce/2009/May/msg00002.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/34347
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/34594
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/34617
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/34622
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/34628
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/34630
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/34637
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/34640
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/34734
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/35074
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://security.gentoo.org/glsa/glsa-200904-09.xml
Source: af854a3a-2127-422b-91ae-364da2661108
http://src.mit.edu/fisheye/browse/krb5/trunk/src/lib/gssapi/spnego/spnego_mech.c?r1=21875&r2=22084
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit
http://src.mit.edu/fisheye/changelog/krb5/?cs=22084
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://sunsolve.sun.com/search/document.do?assetkey=1-26-256728-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://support.apple.com/kb/HT3549
Source: af854a3a-2127-422b-91ae-364da2661108
http://support.avaya.com/elmodocs2/security/ASA-2009-142.htm
Source: af854a3a-2127-422b-91ae-364da2661108
http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047180.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047181.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2009-001.txt
Source: af854a3a-2127-422b-91ae-364da2661108
http://wiki.rpath.com/Advisories:rPSA-2009-0058
Source: af854a3a-2127-422b-91ae-364da2661108
http://wiki.rpath.com/wiki/Advisories:rPSA-2009-0058
Source: af854a3a-2127-422b-91ae-364da2661108
http://www-01.ibm.com/support/docview.wss?uid=swg21396120
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.kb.cert.org/vuls/id/662091
Source: af854a3a-2127-422b-91ae-364da2661108
US Government Resource
http://www.mandriva.com/security/advisories?name=MDVSA-2009:082
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.redhat.com/support/errata/RHSA-2009-0408.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/archive/1/502526/100/0/threaded
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/archive/1/502546/100/0/threaded
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/34257
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securitytracker.com/id?1021867
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/usn-755-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.us-cert.gov/cas/techalerts/TA09-133A.html
Source: af854a3a-2127-422b-91ae-364da2661108
US Government Resource
http://www.vupen.com/english/advisories/2009/0847
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.vupen.com/english/advisories/2009/0976
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.vupen.com/english/advisories/2009/1057
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.vupen.com/english/advisories/2009/1106
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.vupen.com/english/advisories/2009/1297
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.vupen.com/english/advisories/2009/2248
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/49448
Source: af854a3a-2127-422b-91ae-364da2661108
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10044
Source: af854a3a-2127-422b-91ae-364da2661108
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6449
Source: af854a3a-2127-422b-91ae-364da2661108
https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00205.html
Source: af854a3a-2127-422b-91ae-364da2661108
https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00206.html
Source: af854a3a-2127-422b-91ae-364da2661108

88 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
19.3%
95th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-20

Affected Vendors

mit

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