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WebCached

Description

Cache Your Favorite Page @ WebCached

How to Solve?

  1. Get source

You can get source codes of service starting from file:///proc/self/cmdline.

  1. CR-LF injection

Using CR-LF injection in urllib, you can poisoning redis.

Payload: http://127.0.0.1\r\n SET <target> <value>\r\n :6379/

  1. RCE with redis session

By poisoning session, you can freely modify session.

Since session manager use pickle to serialize session with redis, You can do RCE attack.