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TITLE:
TWiki "filename" Parameter Disclosure of Sensitive Information

SECUNIA ADVISORY ID:
SA21829

VERIFY ADVISORY:
http://secunia.com/advisories/21829/

CRITICAL:
Moderately critical

IMPACT:
Exposure of sensitive information

WHERE:
>From remote

SOFTWARE:
TWiki
http://secunia.com/product/4248/

DESCRIPTION:
A vulnerability has been reported in TWiki, which can be exploited by
malicious people to disclose sensitive information.

Input passed to the "filename" parameter in the viewfile script isn't
properly sanitised before being used to view files. This can be
exploited to disclose the content of arbitrary files via directory
traversal attacks.

Example:
http://[host]/bin/viewfile/TWiki/TWikiDocGraphics?rev=1;filename=../../../../../[file]

The vulnerability has been reported in versions 4.0.0 through 4.0.4.

SOLUTION:
Apply Hotfix 3 for TWiki 4.0.4.
http://twiki.org/cgi-bin/view/Codev/HotFix04x00x04x03

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Choi Min-sung and Koen Martens.

ORIGINAL ADVISORY:
http://twiki.org/cgi-bin/view/Codev/SecurityAlert-CVE-2006-4294

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About:
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