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TITLE:
CMS Faethon "mainpath" File Inclusion and Cross-Site Scripting
Vulnerabilities

SECUNIA ADVISORY ID:
SA20713

VERIFY ADVISORY:
http://secunia.com/advisories/20713/

CRITICAL:
Highly critical

IMPACT:
Cross Site Scripting, System access

WHERE:
>From remote

SOFTWARE:
CMS Faethon 1.x
http://secunia.com/product/10523/

DESCRIPTION:
Some vulnerabilities have been discovered in CMS Faethon, which can
be exploited by malicious people to conduct cross-site scripting
attacks or to compromise a vulnerable system.

1) Input passed to the "mainpath" parameter in data/footer.php is not
properly verified before being used. This can be exploited to execute
arbitrary PHP code by including files from local or external
resources.

2) Input passed to the "mainpath" parameter in data/footer.php and
data/header.php is not 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.

Successful exploitation requires that "register_globals" is enabled.

The vulnerabilities have been confirmed in version 1.3.2. Other
versions may also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
1) M.Hasran Addahroni a.k.a K-159
2) Reported by an anonymous person.

ORIGINAL ADVISORY:
http://advisories.echo.or.id/adv/adv33-K-159-2006.txt

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