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WebCalendar Arbitrary File Retrieval Vulnerability
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Secunia Advisory:
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SA9312
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Release Date:
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2003-07-21
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Last Update:
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2003-07-22
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Popularity:
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5,979 views
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Critical:
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Less critical
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Impact:
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Exposure of system information
Exposure of sensitive information
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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: | WebCalendar 0.9.x
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Description:
A vulnerability has been reported in WebCalendar, which can be exploited by malicious people to include arbitrary files.
The vulnerability is caused due to an input validation error in "login.php" and "week_ssi.php" making it possible to supply arbitrary paths to files in the variable "$user_inc". This can be exploited by supplying a path to any file using "../../some_file".
Examples:
http://[victim]/login.php?user_inc=../../../etc/passwd
http://[victim]/week_ssi.php?user_inc=../../../etc/passwd
Solution:
Edit the source code so that malicious characters are filtered.
Provided and/or discovered by:
noconflic
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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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