Vulnerability Details : CVE-2009-0844

The get_input_token function in the SPNEGO implementation in MIT Kerberos 5 (aka krb5) 1.5 through 1.6.3 allows remote attackers to cause a denial of service (daemon crash) and possibly obtain sensitive information via a crafted length value that triggers a buffer over-read.
Publish Date : 2009-04-08 Last Update Date : 2018-10-10

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- CVSS Scores & Vulnerability Types

CVSS Score	5.8
Confidentiality Impact	Partial (There is considerable informational disclosure.)
Integrity Impact	None (There is no impact to the integrity of the system)
Availability Impact	Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity	Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication	Not required (Authentication is not required to exploit the vulnerability.)
Gained Access	None
Vulnerability Type(s)	Denial Of ServiceOverflowObtain Information
CWE ID	119

- Additional Vendor Supplied Data

Vendor	Impact	CVSS Score	CVSS Vector	Report Date	Publish Date
Redhat	important	5.8	AV:N/AC:M/Au:N/C:P/I:N/A:P	2009-03-18	2009-04-07

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- Related OVAL Definitions

Title	Definition Id	Family
CVE-2009-0844	oval:org.opensuse.security:def:20090844	unix
DSA-1766 krb5 -- several vulnerabilities	oval:org.mitre.oval:def:8181	unix
DSA-1766-1 krb5 -- several	oval:org.mitre.oval:def:13177	unix
ELSA-2009:0408: krb5 security update (Important)	oval:org.mitre.oval:def:22765	unix
MIT Kerberos SPNEGO and ASN.1 Multiple Remote Denial Of Service Vulnerabilities	oval:org.mitre.oval:def:6339	unix
RHSA-2009:0408 -- krb5 security update (Important)	oval:org.mitre.oval:def:28421	unix
RHSA-2009:0408: krb5 security update (Important)	oval:com.redhat.rhsa:def:20090408	unix
The get_input_token function in the SPNEGO implementation in MIT Kerberos 5 (aka krb5) 1.5 through 1.6.3 allows remote a...	oval:org.mitre.oval:def:9474	unix
USN-755-1 -- krb5 vulnerabilities	oval:org.mitre.oval:def:13874	unix

OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2009-0844

#	Product Type	Vendor	Product	Version
1	Application	MIT	Kerberos	5	Version Details Vulnerabilities
2	Application	MIT	Kerberos	5-1.5	Version Details Vulnerabilities
3	Application	MIT	Kerberos	5-1.5.1	Version Details Vulnerabilities
4	Application	MIT	Kerberos	5-1.5.2	Version Details Vulnerabilities
5	Application	MIT	Kerberos	5-1.5.3	Version Details Vulnerabilities
6	Application	MIT	Kerberos	5-1.6	Version Details Vulnerabilities
7	Application	MIT	Kerberos	5-1.6.1	Version Details Vulnerabilities
8	Application	MIT	Kerberos	5-1.6.2	Version Details Vulnerabilities
9	Application	MIT	Kerberos	5-1.6.3	Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor	Product	Vulnerable Versions
MIT	Kerberos	9

- References For CVE-2009-0844

https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00205.html
FEDORA FEDORA-2009-2834

https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00206.html
FEDORA FEDORA-2009-2852

http://www.vupen.com/english/advisories/2009/1106
VUPEN ADV-2009-1106

http://www.vupen.com/english/advisories/2009/1297
VUPEN ADV-2009-1297

http://www.vupen.com/english/advisories/2009/2248
VUPEN ADV-2009-2248

http://www.vupen.com/english/advisories/2009/1057
VUPEN ADV-2009-1057

http://www.vupen.com/english/advisories/2009/0960
VUPEN ADV-2009-0960

http://www.vupen.com/english/advisories/2009/0976
VUPEN ADV-2009-0976

http://www.us-cert.gov/cas/techalerts/TA09-133A.html
CERT TA09-133A

http://www.ubuntu.com/usn/usn-755-1
UBUNTU USN-755-1

http://www.securityfocus.com/bid/34408
BID 34408 MIT Kerberos SPNEGO and ASN.1 Multiple Remote Denial Of Service Vulnerabilities Release Date:2013-01-31

http://www.securitytracker.com/id?1021867
SECTRACK 1021867

http://www.securityfocus.com/archive/1/502546/100/0/threaded
BUGTRAQ 20090407 rPSA-2009-0058-1 krb5 krb5-server krb5-services krb5-test krb5-workstation

http://www.securityfocus.com/archive/1/502526/100/0/threaded
BUGTRAQ 20090407 MITKRB5-SA-2009-001: multiple vulnerabilities in SPNEGO, ASN.1 decoder [CVE-2009-0844 CVE-2009-0845 CVE-2009-0847]

http://www.redhat.com/support/errata/RHSA-2009-0408.html
REDHAT RHSA-2009:0408

http://support.apple.com/kb/HT3549 CONFIRM

http://support.avaya.com/elmodocs2/security/ASA-2009-142.htm CONFIRM

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 CONFIRM

http://wiki.rpath.com/Advisories:rPSA-2009-0058 CONFIRM

http://wiki.rpath.com/wiki/Advisories:rPSA-2009-0058

http://www-01.ibm.com/support/docview.wss?uid=swg21396120 CONFIRM

http://www.kb.cert.org/vuls/id/662091
CERT-VN VU#662091

http://www.mandriva.com/security/advisories?name=MDVSA-2009:098
MANDRIVA MDVSA-2009:098

http://sunsolve.sun.com/search/document.do?assetkey=1-26-256728-1
SUNALERT 256728

http://security.gentoo.org/glsa/glsa-200904-09.xml
GENTOO GLSA-200904-09

http://lists.apple.com/archives/security-announce/2009/May/msg00002.html
APPLE APPLE-SA-2009-05-12

- Metasploit Modules Related To CVE-2009-0844

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)