[NEWS] Hosting.com Cross-Site Scripting Vulnerability

From: support@securiteam.com
Date: 12/18/01


From: support@securiteam.com
To: list@securiteam.com
Date: Tue, 18 Dec 2001 16:49:04 +0100 (CET)

The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site: http://www.securiteam.com
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  Hosting.com Cross-Site Scripting Vulnerability
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SUMMARY

A security vulnerability in Hosting.com's web based email engine, allows
attackers to cause the program to insert HTML and JavaScript into user
displayed pages. This would allow an attacker to utilize a Cross Site
Scripting attack against the user.

DETAILS

Most variables passed to the webmail script used by hosting.com (formerly
CTSNet) can be used to execute scripts with local server context.

Exploit:
(NOTE, the 'I' of SCRIPT has been replaced with an '!')
http://webmail.cts.com/webmail.cgi?_ID=>alert("All%20Your%20Webmail%20is%20Belong%20to%20Us");</SCRIPT>

ADDITIONAL INFORMATION

The information has been provided by <mailto:rdnktrk@hotmail.com> E M.

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