CVE-2009-0847 Information

Description

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.

Reference

http://lists.apple.com/archives/security-announce/2009/May/msg00002.html http://marc.info/?l=bugtraq&m=124896429301168&w=2 http://secunia.com/advisories/34594 http://secunia.com/advisories/34617 http://secunia.com/advisories/34622 http://secunia.com/advisories/34628 http://secunia.com/advisories/34637 http://secunia.com/advisories/34640 http://secunia.com/advisories/34734 http://secunia.com/advisories/35074 http://security.gentoo.org/glsa/glsa-200904-09.xml 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 http://www.mandriva.com/security/advisories?name=MDVSA-2009:098 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/34408 http://www.securitytracker.com/id?1021993 http://www.ubuntu.com/usn/usn-755-1 http://www.us-cert.gov/cas/techalerts/TA09-133A.html http://www.vupen.com/english/advisories/2009/0960 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/2009/2084 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/oval3Aorg.mitre.oval3Adef3A6387 https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00205.html https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00206.html