Description:
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Cisco VPN SSL Clientless lets administrators define rules to specific targets within the private network that WebVPN users will be able to access. This specific targets are published using links in VPN SSL home page. These links (URL) are protected (obfuscated) using a ROT13 substitution and converting ASCII characters to hexadecimal. An user with a valid account and without "URL entry" can access any internal/external resource simply taken an URL, encrypt with ROT 13, convert ASCII characters to hexadecimal and appending this string to Cisco VPN SSL URL. Brilliant. Versions 8.x and below are affected. Proof of concept included.
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