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WebCalendar "includedir" Parameter Arbitrary Setting File Loading
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Secunia Advisory:
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SA20367
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Release Date:
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2006-05-31
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Last Update:
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2006-06-28
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Popularity:
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6,161 views
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Critical:
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Moderately critical
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Impact:
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Security Bypass
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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Vendor Patch
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| Software: | WebCalendar 1.x
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| CVE reference: | CVE-2006-2762
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Description:
socsam has discovered a vulnerability in WebCalendar, which can be exploited by malicious people to bypass certain security restrictions and disclose sensitive information.
Input passed to the "includedir" parameter isn't properly verified, before it is used in an "fopen()" call. This can be exploited to load an arbitrary setting file from an external web site.
This can further be exploited to disclose the content of arbitrary files by defining the "user_inc" variable in a malicious setting file.
Successful exploitation requires that "register_globals" is enabled.
The vulnerability has been confirmed in version 1.0.3. Other versions may also be affected.
Solution:
Update to version 1.0.4.
http://sourceforge.net/project/showfiles.php?group_id=3870
Provided and/or discovered by:
socsam
Changelog:
2006-06-07: Added CVE reference.
2006-06-28: Updated "Solution" section.
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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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