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ImperialBB Avatar File Upload Vulnerability
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Secunia Advisory:
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SA30939
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Release Date:
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2008-07-07
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Last Update:
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2008-07-10
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Popularity:
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1,287 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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Unpatched
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| Software: | ImperialBB 2.x
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| CVE reference: | CVE-2008-3093
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Description:
PHPLizardo has discovered a vulnerability in ImperialBB, which can be exploited by malicious users to compromise a vulnerable system.
The vulnerability is caused due to missing restrictions on file types that users are allowed to upload as avatar images. This can be exploited to upload malicious script files (e.g. PHP scripts) inside the web root.
The vulnerability is confirmed in version 2.3.5. Other versions may also be affected.
Solution:
Edit the source code to ensure that the name and type of files are properly sanitised and verified.
Provided and/or discovered by:
PHPLizardo
Changelog:
2008-07-10: Added CVE reference.
Original Advisory:
http://phplizardo.breizh-web.net/blog/2008/07/05/advisory-1-imperialbb/
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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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