Secunia Security Advisory - Florian Weimer has reported a vulnerability in the TWiki Image Gallery plugin, which can be exploited by malicious users to compromise a vulnerable system.
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TITLE:
TWiki ImageGalleryPlugin Shell Command Injection
SECUNIA ADVISORY ID:
SA14384
VERIFY ADVISORY:
http://secunia.com/advisories/14384/
CRITICAL:
Moderately critical
IMPACT:
System access
WHERE:
>From remote
SOFTWARE:
ImageGalleryPlugin 1.x (TWiki plugin)
http://secunia.com/product/4707/
DESCRIPTION:
Florian Weimer has reported a vulnerability in the TWiki Image
Gallery plugin, which can be exploited by malicious users to
compromise a vulnerable system.
The problem is that some configuration options used in ImageMagick
commands can be manipulated. This can be exploited to inject
arbitrary shell commands.
Successful exploitation requires that a user can create or edit image
galleries.
SOLUTION:
Edit the source code to ensure that input is properly sanitised.
PROVIDED AND/OR DISCOVERED BY:
Florian Weimer
ORIGINAL ADVISORY:
http://www.enyo.de/fw/security/notes/twiki-robustness.html
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