TITLE:
Walla TeleSite Cross-Site Scripting Vulnerability

SECUNIA ADVISORY ID:
SA17547

VERIFY ADVISORY:
http://secunia.com/advisories/17547/

CRITICAL:
Less critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
Walla TeleSite 3.x
http://secunia.com/product/6135/

DESCRIPTION:
Rafi Nahum and Pokerface have reported a vulnerability in Walla
TeleSite, which can be exploited by malicious people to conduct
cross-site scripting attacks.

Input passed to various parameters in "ts.exe" 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.

The vulnerability has been reported in version 3.0 and prior. Other
versions may also be affected.

Note: It is possible to enumerate webpages by manipulating the
numeric value that is passed to the "tsurl" parameter. In addition,
it is also possible to detect the presence of local files by
providing their full pathnames to "ts.exe" and observing the error
messages.

SOLUTION:
Edit the source code of any content that is managed by the system to
properly sanitise input before using them.

PROVIDED AND/OR DISCOVERED BY:
Rafi Nahum and Pokerface.

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