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| Plesk |
The hacker known as KingCope has taken to the security mailing list Full Disclosure to
publish what seems to be a zero-day exploit for Plesk, the hosting software package made by Parallels. KingCope says that the exploit uses specially prepared HTTP queries to inject PHP commands and that he has successfully tested it on Plesk 9.5.4, 9.3, 9.2, 9.0 and 8.6 on Red Hat, CentOS and Fedora. Version 11.0.9 is apparently not affected.
The hacker seems to have found a way to use a POST request to launch the PHP interpreter with any configuration parameters that an attacker may want; the interpreter can then be made to carry out any command at will. The exploit uses the requested URL to start the interpreter with the desired parameters (say, "safe_mode=off"), and the PHP code that is to be executed is in the data portion of the request.
