Title: Cisco PIX PASV Mode FTP Internal Address Disclosure Vulnerability
Severity: HIGH
Description:
The Cisco PIX is a popular firewall network device.
It is possible to configure the PIX so that it hides the IP address of internal ftp servers from clients connecting to it. By sending a number of requests to enter passive ftp mode (PASV) during an ftp session, the IP address will eventually be disclosed. It is not known what exactly causes this condition.
This has been verified on versions 5.2(4) and 5.2(2) of the PIX firmware and probably affects other versions.
Affected Products:
- Cisco PIX Firewall 5.2.0
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