CVE-2009-0847
First published: Thu Apr 09 2009(Updated: )
The asn1buf_imbed function in the ASN.1 decoder in MIT Kerberos 5 (aka krb5) 1.6.3, when PK-INIT is used, allows remote attackers to cause a denial of service (application crash) via a crafted length value that triggers an erroneous malloc call, related to incorrect calculations with pointer arithmetic.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| MIT Kerberos 5 Application | =5-1.6.3 |
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Reference Links
- http://www.kb.cert.org/vuls/id/662091
- http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2009-001.txt
- http://www.securitytracker.com/id?1021993
- http://www.ubuntu.com/usn/usn-755-1
- http://www.vupen.com/english/advisories/2009/0976
- http://www.vupen.com/english/advisories/2009/0960
- http://security.gentoo.org/glsa/glsa-200904-09.xml
- http://wiki.rpath.com/Advisories:rPSA-2009-0058
- http://secunia.com/advisories/34640
- https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00205.html
- http://secunia.com/advisories/34637
- https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00206.html
- http://secunia.com/advisories/34594
- http://secunia.com/advisories/34622
- http://secunia.com/advisories/34617
- http://secunia.com/advisories/34628
- http://wiki.rpath.com/wiki/Advisories:rPSA-2009-0058
- http://www.securityfocus.com/bid/34408
- http://support.avaya.com/elmodocs2/security/ASA-2009-142.htm
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-256728-1
- http://www.vupen.com/english/advisories/2009/1106
- http://www.vupen.com/english/advisories/2009/1057
- http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047180.html
- http://secunia.com/advisories/34734
- http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047181.html
- http://secunia.com/advisories/35074
- http://www.vupen.com/english/advisories/2009/1297
- http://www.us-cert.gov/cas/techalerts/TA09-133A.html
- http://lists.apple.com/archives/security-announce/2009/May/msg00002.html
- http://support.apple.com/kb/HT3549
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:098
- http://www.vupen.com/english/advisories/2009/2084
- http://marc.info/?l=bugtraq&m=124896429301168&w=2
- http://www.vupen.com/english/advisories/2009/2248
- http://www-01.ibm.com/support/docview.wss?uid=swg21396120
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6387
- http://www.securityfocus.com/archive/1/502546/100/0/threaded
- http://www.securityfocus.com/archive/1/502526/100/0/threaded
Frequently Asked Questions
What is the severity of CVE-2009-0847?
CVE-2009-0847 is classified as a denial of service vulnerability.
How do I fix CVE-2009-0847?
To fix CVE-2009-0847, upgrade to a later version of MIT Kerberos that addresses this vulnerability.
What are the consequences of exploiting CVE-2009-0847?
Exploiting CVE-2009-0847 can lead to an application crash, resulting in a denial of service.
Which versions of MIT Kerberos are affected by CVE-2009-0847?
MIT Kerberos version 5-1.6.3 is affected by CVE-2009-0847.
What is the cause of CVE-2009-0847?
CVE-2009-0847 occurs due to incorrect calculations with pointer arithmetic when a crafted length value is used.
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- version/mit kerberos 5 application/5-1.6.3