Summary
WinRoute is "most popular SOHO software firewall/router/Proxy solution for Windows platform". During troubleshooting of WinRoute a security related problem was discovered allowing remote websites to obtain clear text credentials (username:password) of WinRoute user.
Vulnerable systems:
* Kerio WinRoute Firewall version 5.10
Workaround:
Disable proxy authentication.
http://www.securiteam.com/windowsntfocus/6Q00D2K8US.html

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