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W-Agora Multiple File Inclusion Vulnerabilities
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Secunia Advisory:
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SA20779
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Release Date:
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2006-06-23
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Last Update:
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2006-07-12
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Popularity:
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6,584 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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Vendor Patch
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| Software: | W-Agora 4.x
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Description:
Dedi Dwianto has discovered some vulnerabilities in W-Agora, which can be exploited by malicious people to compromise a vulnerable system.
Input passed to the "inc_dir" parameter in init_admin.inc and init.inc, and to the "inc_dir" and "cfg_dir" parameters in extras/quicklist.php is not properly verified before being used to include files. This can be exploited to execute arbitrary PHP code by including files from local or external resources.
Examples:
http://[host]/add_user.php?inc_dir=[file]
http://[host]/browse_avatar.php?inc_dir=[file]
http://[host]/extras/quicklist.php?bn=1&cfg_dir=[file]
http://[host]/extras/quicklist.php?bn=1&inc_dir=[file]
Note: Many more files can be used as vectors due to including init_admin.inc and init.inc.
Some other issues which may be security related have also been reported.
The vulnerabilities have been confirmed in version 4.2.0. Other versions may also be affected.
Solution:
Update to version 4.2.1.
http://www.w-agora.net/en/download.php
Provided and/or discovered by:
Dedi Dwianto a.k.a. the_day
Additional information provided by the vendor.
Changelog:
2006-06-26: Updated "Solution" section.
2006-07-12: Vendor releases new version. Updated "Description" and "Solution" sections.
Original Advisory:
http://advisories.echo.or.id/adv/adv34-theday-2006.txt
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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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