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MyBB "domecode()" PHP Code Execution Vulnerability
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Secunia Advisory:
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SA20371
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Release Date:
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2006-06-12
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Popularity:
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5,876 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: | MyBB (formerly MyBulletinBoard) 1.x
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| CVE reference: | CVE-2006-2908
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Description:
Secunia Research has discovered a vulnerability in MyBB, which can be exploited by malicious people to compromise a vulnerable system.
Input passed to the username field when registering isn't properly sanitised before being used in a "preg_replace" call with the "e" modifier in the "domecode()" function in inc/functions_post.php. This can be exploited to execute arbitrary PHP code by first registering with a specially crafted username and then previewing a post containing the "/slap" string.
The vulnerability has been confirmed in version 1.1.2. Prior versions may also be affected.
Solution:
Update to version 1.1.3.
http://www.mybboard.com/downloads.php
Provided and/or discovered by:
Andreas Sandblad, Secunia Research
Original Advisory:
Secunia Research:
http://secunia.com/secunia_research/2006-40/advisory/
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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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