CVE-2010-4021 Information

Description

The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7 does not properly restrict the use of TGT credentials for armoring TGS requests which might allow remote authenticated users to impersonate a client by rewriting an inner request aka a \KrbFastReq forgery issue.\

Reference

http://kb.vmware.com/kb/1035108 http://lists.apple.com/archives/security-announce/2011/Mar/msg00006.html http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00000.html http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.html http://lists.vmware.com/pipermail/security-announce/2011/000133.html http://osvdb.org/69607 http://support.apple.com/kb/HT4581 http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-007.txt http://www.mandriva.com/security/advisories?name=MDVSA-2010:246 http://www.securityfocus.com/archive/1/514953/100/0/threaded http://www.securityfocus.com/archive/1/517739/100/0/threaded http://www.securityfocus.com/bid/45122 http://www.securitytracker.com/id?1024803 http://www.ubuntu.com/usn/USN-1030-1 http://www.vmware.com/security/advisories/VMSA-2011-0007.html http://www.vupen.com/english/advisories/2010/3094 http://www.vupen.com/english/advisories/2010/3118