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WordPress MU File Upload and Security Bypass
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Secunia Advisory:
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SA28789
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Release Date:
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2008-02-06
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Popularity:
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3,838 views
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Critical:
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Moderately critical
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Impact:
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Security Bypass
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: | WordPress MU 1.x
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Description:
Alexander Concha has reported a vulnerability in WordPress MU, which can be exploited by malicious users to bypass certain security restrictions and to compromise a vulnerable system.
The wp-admin/options.php script does not properly restrict changes to options. This can be exploited to e.g. upload and execute arbitrary PHP code.
Successful exploitation requires valid user credentials and having "manage_options" capabilities. Successful exploitation for file uploading also requires "upload_files" capabilities.
The vulnerability is reported in version 1.3.1. Prior versions may also be affected.
Solution:
Update to version 1.3.2 or later.
Provided and/or discovered by:
Alexander Concha
Original Advisory:
WordPress MU:
http://mu.wordpress.org/forums/topic.php?id=7534&page&replies=1
Alexander Concha:
http://www.buayacorp.com/files/wordpress/wordpress-mu-options-overwrite.html
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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.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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