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J2EE Bad Practices: Sockets
From OWASP
This is a Vulnerability. To view all vulnerabilities, please see the Vulnerability Category page.
Description
When using URLConnection to one restricted URL resource which is not available (offline) there is posibility that OS will leave those sockets opened (z/OS, Windows). When system starts new URLConnection opened sockets may be reused (including authentication). The URL destination may be reached by the user with lower credentials using previous credentials on that same socket.
Examples
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