CVE-2009-4212 Information

Description

Multiple integer underflows in the (1) AES and (2) RC4 decryption functionality in the crypto library in MIT Kerberos 5 (aka krb5) 1.3 through 1.6.3 and 1.7 before 1.7.1 allow remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code by providing ciphertext with a length that is too short to be valid.

Reference

http://lists.apple.com/archives/security-announce/2010//Jun/msg00001.html http://lists.fedoraproject.org/pipermail/package-announce/2010-January/033915.html http://lists.fedoraproject.org/pipermail/package-announce/2010-January/033919.html http://marc.info/?l=bugtraq&m=130497213107107&w=2 http://secunia.com/advisories/38080 http://secunia.com/advisories/38108 http://secunia.com/advisories/38126 http://secunia.com/advisories/38140 http://secunia.com/advisories/38184 http://secunia.com/advisories/38203 http://secunia.com/advisories/38696 http://secunia.com/advisories/40220 http://sunsolve.sun.com/search/document.do?assetkey=1-66-275530-1 http://sunsolve.sun.com/search/document.do?assetkey=1-77-1021779.1-1 http://support.apple.com/kb/HT4188 http://support.avaya.com/css/P8/documents/100074869 http://ubuntu.com/usn/usn-881-1 http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2009-004.txt http://www.debian.org/security/2010/dsa-1969 http://www.mandriva.com/security/advisories?name=MDVSA-2010:006 http://www.securityfocus.com/bid/37749 http://www.securitytracker.com/id?1023440 http://www.vupen.com/english/advisories/2010/0096 http://www.vupen.com/english/advisories/2010/0129 http://www.vupen.com/english/advisories/2010/1481 https://bugzilla.redhat.com/show_bug.cgi?id=545015 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A11272 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A7357 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A8192 https://rhn.redhat.com/errata/RHSA-2010-0029.html https://rhn.redhat.com/errata/RHSA-2010-0095.html