National Vulnerability Database

National Vulnerability Database

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Database

    Vulnerabilities Detail

CVE-2009-0845 Detail

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.

Source:  MITRE
Description Last Modified:  03/27/2009

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0

Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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

References to Check Content

Identifier:
oval:org.mitre.oval:def:10044
Check System:
http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:
http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:10044
Identifier:
oval:org.mitre.oval:def:6449
Check System:
http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:
http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:6449

Technical Details

Vulnerability Type (View All)

Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2009-0845
NVD Published Date:
03/27/2009
NVD Last Modified:
10/10/2018