The (1) Mozilla 1.6, (2) Firebird 0.7 and (3) Firefox 0.8 web browsers do not properly verify that cached passwords for SSL encrypted sites are only sent via SSL encrypted sessions to the site, which allows a remote attacker to cause a cached password to be sent in cleartext to a spoofed site.
https://exchange.xforce.ibmcloud.com/vulnerabilities/17018
http://www.mozilla.org/projects/security/known-vulnerabilities.html#mozilla1.7
http://www.mandriva.com/security/advisories?name=MDKSA-2004:082