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TITLE:
WebSPELL "picture.php" Information Disclosure

SECUNIA ADVISORY ID:
SA24712

VERIFY ADVISORY:
http://secunia.com/advisories/24712/

CRITICAL:
Moderately critical

IMPACT:
Exposure of sensitive information

WHERE:
>From remote

SOFTWARE:
webSPELL 4.x
http://secunia.com/product/8086/

DESCRIPTION:
Trex has reported some vulnerabilities in WebSPELL, which can be
exploited by malicious people to disclose potentially sensitive
information.

1) Input passed to the "file" parameter in picture.php is not
properly sanitised before being used to display files. This can be
exploited to disclose the content of arbitrary files via directory
traversal attacks.

Successful exploitation requires that "register_globals" is enabled.

2) Input passed to the "id" parameter in picture.php is not properly
sanitised before being used to display files. This can be exploited
to disclose the content of files via directory traversal attacks.

Successful exploitation requires that a PHP version prior to 4.3.0 is
used.

The vulnerabilities are reported in version 4.01.02. Other versions
may also be affected.

SOLUTION:
Edit the source code to ensure that input is properly sanitised.

PROVIDED AND/OR DISCOVERED BY:
Trex

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/3673

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