Mozilla Firefox 2.0, possibly only when running on Windows, allows remote attackers to bypass the Phishing Protection mechanism by representing an IP address in (1) dotted-hex, (2) dotted-octal, (3) single decimal integer, (4) single hex integer, or (5) single octal integer format, which is not captured by the blacklist filter.
Improper Input Validation The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly.