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TITLE:
Cart32 "ImageName" Directory Traversal Vulnerability

SECUNIA ADVISORY ID:
SA27061

VERIFY ADVISORY:
http://secunia.com/advisories/27061/

CRITICAL:
Moderately critical

IMPACT:
Exposure of system information, Exposure of sensitive information

WHERE:
>From remote

SOFTWARE:
Cart32 Shopping Cart 6.x
http://secunia.com/product/15943/

DESCRIPTION:
Paul Craig has reported a vulnerability in Cart32 Shopping Cart,
which can be exploited by malicious people to disclose sensitive
information.

Input passed to the "ImageName" parameter in c32web.exe is not
properly sanitised before being used. This can be exploited to
display arbitrary files on the same disk via directory traversal
attacks and parameter values that end with a URL-encoded NULL byte,
followed by one of the allowed file extensions.

Successful exploitation allows e.g. downloading the product's
database.

The vulnerability is reported in version 6.3. Prior versions may also
be affected.

SOLUTION:
Update to version 6.4.

PROVIDED AND/OR DISCOVERED BY:
Paul Craig, Security-Assessment.com

ORIGINAL ADVISORY:
http://www.security-assessment.com/files/advisories/2007-10-04_Cart32_Arbitrary_File_Download.pdf

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