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TITLE:
Claroline "Referer" Header Cross-Site Scripting Vulnerability

SECUNIA ADVISORY ID:
SA35019

VERIFY ADVISORY:
http://secunia.com/advisories/35019/

DESCRIPTION:
A vulnerability has been reported in Claroline, which can be
exploited by malicious people to conduct cross-site scripting
attacks.

Input passed via the "Referer" header to
claroline/linker/notfound.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.

The vulnerability is reported in version 1.8.11. Other versions may
also be affected.

SOLUTION:
Fixed in the SVN repository.

PROVIDED AND/OR DISCOVERED BY:
Gerendi Sandor Attila

ORIGINAL ADVISORY:
Claroline:
http://forum.claroline.net/viewtopic.php?f=69&t=16193&p=42102#p42099

Gerendi Sandor Attila:
http://gsasec.blogspot.com/

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