Trend Micro InterScan Web Security Virtual Appliance (IWSVA) 3.x and InterScan Web Security Suite (IWSS) 3.x, when basic authorization is enabled on the standalone proxy, forwards the Proxy-Authorization header from Windows Media Player, which allows remote web servers to obtain credentials by offering a media stream and then capturing this header.
CVSS Severity (version 2.0):
Impact Subscore: 2.9
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable; Victim must voluntarily interact with attack mechanism
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information
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20090209 Trend micro - IWSVA/IWSS - Authorization module password leak