VMware Authentication Daemon 1.0 in vmware-authd.exe in the VMware Authorization Service in VMware Workstation 7.0 before 7.0.1 build 227600 and 6.5.x before 6.5.4 build 246459, VMware Player 3.0 before 3.0.1 build 227600 and 2.5.x before 2.5.4 build 246459, VMware ACE 2.6 before 2.6.1 build 227600 and 2.5.x before 2.5.4 build 246459, and VMware Server 2.x allows remote attackers to cause a denial of service (process crash) via a \x25\xFF sequence in the USER and PASS commands, related to a "format string DoS" issue. NOTE: some of these details are obtained from third party information.
http://www.vmware.com/security/advisories/VMSA-2010-0007.html
http://www.shinnai.net/exploits/abFwcLOuFqmD20yqhYpQ.txt
http://www.securityfocus.com/bid/36630
http://securitytracker.com/id?1022997
http://security.gentoo.org/glsa/glsa-201209-25.xml
http://secunia.com/advisories/39215
http://secunia.com/advisories/39206
http://secunia.com/advisories/36988
http://lists.vmware.com/pipermail/security-announce/2010/000090.html
http://archives.neohapsis.com/archives/fulldisclosure/2010-04/0121.html
http://archives.neohapsis.com/archives/bugtraq/2010-04/0077.html