Mission and Overview
NVD is the U.S. government repository of standards based vulnerability management data. This data enables automation of vulnerability management, security measurement, and compliance (e.g. FISMA).
Resource Status
NVD contains:

Last updated: 5/30/2015 10:38:53 AM

CVE Publication rate: 13.17

Email List

NVD provides four mailing lists to the public. For information and subscription instructions please visit NVD Mailing Lists

Workload Index
Vulnerability Workload Index: 6.56
About Us
NVD is a product of the NIST Computer Security Division and is sponsored by the Department of Homeland Security's National Cyber Security Division. It supports the U.S. government multi-agency (OSD, DHS, NSA, DISA, and NIST) Information Security Automation Program. It is the U.S. government content repository for the Security Content Automation Protocol (SCAP).

National Cyber Awareness System

Vulnerability Summary for CVE-2009-0845

Original release date: 03/27/2009
Last revised: 08/21/2010


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.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.0 (MEDIUM) (AV:N/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows disruption of service

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

External Source: CONFIRM
Name: http://support.apple.com/kb/HT3549
US-CERT Vulnerability Note: CERT-VN
Name: VU#662091
External Source: FEDORA
Name: FEDORA-2009-2852
External Source: VUPEN
Name: ADV-2009-0976
External Source: SUNALERT
Name: 256728
External Source: CONFIRM
Name: http://krbdev.mit.edu/rt/Ticket/Display.html?user=guest&pass=guest&id=6402
External Source: BID
Name: 34257
External Source: REDHAT
Name: RHSA-2009:0408
External Source: APPLE
Name: APPLE-SA-2009-05-12
External Source: CONFIRM
Name: http://src.mit.edu/fisheye/browse/krb5/trunk/src/lib/gssapi/spnego/spnego_mech.c?r1=21875&r2=22084
External Source: SECTRACK
Name: 1021867
External Source: MANDRIVA
Name: MDVSA-2009:082
External Source: CONFIRM
Name: http://src.mit.edu/fisheye/changelog/krb5/?cs=22084
Type: Advisory
External Source: CONFIRM
Name: http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2009-001.txt
External Source: VUPEN
Name: ADV-2009-1297
External Source: CONFIRM
Name: http://support.avaya.com/elmodocs2/security/ASA-2009-142.htm
External Source: BUGTRAQ
Name: 20090407 MITKRB5-SA-2009-001: multiple vulnerabilities in SPNEGO, ASN.1 decoder [CVE-2009-0844 CVE-2009-0845 CVE-2009-0847]
External Source: CONFIRM
Name: http://wiki.rpath.com/Advisories:rPSA-2009-0058
External Source: OVAL
Name: oval:org.mitre.oval:def:10044
US-CERT Vulnerability Note: CERT
Name: TA09-133A
External Source: VUPEN
Name: ADV-2009-1106
External Source: FEDORA
Name: FEDORA-2009-2834
External Source: MISC
Name: http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047180.html
External Source: CONFIRM
Name: http://www-01.ibm.com/support/docview.wss?uid=swg21396120
External Source: VUPEN
Name: ADV-2009-1057
External Source: UBUNTU
Name: USN-755-1
External Source: MISC
Name: http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047181.html
External Source: BUGTRAQ
Name: 20090407 rPSA-2009-0058-1 krb5 krb5-server krb5-services krb5-test krb5-workstation
External Source: OVAL
Name: oval:org.mitre.oval:def:6449
External Source: MISC
Name: http://wiki.rpath.com/wiki/Advisories:rPSA-2009-0058
External Source: GENTOO
Name: GLSA-200904-09
External Source: VUPEN
Name: ADV-2009-0847
Type: Advisory
External Source: VUPEN
Name: ADV-2009-2248
Type: Advisory
External Source: XF
Name: kerberos-spnego-dos(49448)

References to Check Content

Identifier: oval:org.mitre.oval:def:10044
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5
Identifier: oval:org.mitre.oval:def:6449
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

Technical Details

Vulnerability Type (View All)