Critical phpwiki c99shell exploit

Type securityvulns
Reporter Securityvulns
Modified 2007-04-12T00:00:00


Via the Phpwiki 1.3.x UpLoad feature some hackers from russia uploaded a php3 or php4 file, install a backdoor at port 8081 and have access to your whole disc and overtake the server.

A url in the file is

The uploaded file has a php, php3 or php4 extension and looks like a gif to the mime magic. So apache usually accepts it.

To fix this phpwiki issue at first move the lib/plugin/UpLoad.php file out of this directory.

You can fix it by adding those two lines to your list of disallowed extensions: php3 php4 Currently only "php" is disallowed.