CVE-2007-5277 Information

Description

Microsoft Internet Explorer 6 drops DNS pins based on failed connections to irrelevant TCP ports which makes it easier for remote attackers to conduct DNS rebinding attacks as demonstrated by a port 81 URL in an IMG SRC when the DNS pin had been established for a session on port 80 a different issue than CVE-2006-4560.

Reference

http://crypto.stanford.edu/dns/dns-rebinding.pdf http://osvdb.org/45525