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14 lines
No EOL
1 KiB
Text
source: https://www.securityfocus.com/bid/713/info
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The PHP/FI package which was originally written by Rasmus Lerdorf is an is an HTML-embedded scripting language. Much of its syntax is borrowed from C, Java and Perl with a couple of unique PHP-specific features thrown in. The goal of the language is to allow web developers to write dynamically generated pages quickly.
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Since its inception, PHP/FI has been turned over to another development team and is now known only as PHP. Certain versions of PHP/FI shipped with two flawed example script for logging examples. These scripts were mylog.html & mlog.html. in both mlog.html and mylog.html. The idea is to include a file for each type of logging stats, however, there is no escaping of slashes, so one can specify any file on the system.
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The problem lies in the line:
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<?include "$screen">
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By exploiting this problem users can view any file on the system which the http daemon user id has access to.
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http://some.stupid.isp.net/~dumbuser/cool-logs/mlog.html?screen=[fully
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qualified path to any file on the system] |