Multiple HTTP Proxy HTTP Host Header Incorrect Relay Behavior Vulnerability

Threat level definition

Multiple HTTP Proxy HTTP Host Header Incorrect Relay Behavior Vulnerability

References:

Months later, more products identified using exploitable transparent proxy archi (CGI Security)
SmoothGuardian Homepage (SmoothWall)
Socket Capable Browser Plugins Result In Transparent Proxy Abuse (The Security Practice)
Squid Homepage (Squid)
Vendor Homepage (Qbik)
Ziproxy Homepage (Ziproxy)
ProxySG in transparent deployments intercepting HTTP/HTTPS traffic (Blue Coat Systems)
Vulnerability Note VU#435052 (US-CERT)

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