TITLE:
GPhotos Cross-Site Scripting and Disclosure of Arbitrary Directories

SECUNIA ADVISORY ID:
SA20095

VERIFY ADVISORY:
http://secunia.com/advisories/20095/

CRITICAL:
Less critical

IMPACT:
Cross Site Scripting, Exposure of system information

WHERE:
>From remote

SOFTWARE:
GPhotos 1.x
http://secunia.com/product/9934/

DESCRIPTION:
Moroccan Security has discovered some vulnerabilities and a weakness
in GPhotos, which can be exploited by malicious people to disclose
system information and conduct cross-site scripting attacks.

1) Input passed to the "rep" parameter in "index.php" and
"diapo.php", and the "image" parameter in "affich.php" isn't properly
sanitised before being returned to the user. This can be exploited to
execute arbitrary HTML and script code in a user's browser session in
context of an affected site.

2) Input passed to the "rep" parameter in "index.php" isn't properly
verified, before it is used to list directories and files. This can
be exploited to disclose the content of arbitrary directories via
directory traversal attacks.

The vulnerabilities and the weakness have been confirmed in version
1.5. Other versions may also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
Moroccan Security

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