CVE-2006-4403 - Stapedial Interchange

Description

The FTP server in Apple Mac OS X 10.4.8 and earlier when FTP Access is enabled will crash when a login failure occurs with a valid user name which allows remote attackers to cause a denial of service (crash) and enumerate valid usernames.

Reference

http://docs.info.apple.com/article.html?artnum=304829 http://lists.apple.com/archives/security-announce/2006/Nov/msg00001.html http://www.us-cert.gov/cas/techalerts/TA06-333A.html http://secunia.com/advisories/23155 http://www.kb.cert.org/vuls/id/371648 http://www.securityfocus.com/bid/21335 http://www.osvdb.org/30734 http://securitytracker.com/id?1017303 http://www.vupen.com/english/advisories/2006/4750 https://exchange.xforce.ibmcloud.com/vulnerabilities/30621