[SA19049] Gemini "rtcDescription$RadEditor1" Script Insertion Vulnerability

TITLE:
Gemini "rtcDescription$RadEditor1" Script Insertion Vulnerability

SECUNIA ADVISORY ID:
SA19049

VERIFY ADVISORY:
http://secunia.com/advisories/19049/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
Gemini 2.x
http://secunia.com/product/8406/

DESCRIPTION:
Remco Verhoef has reported a vulnerability in Gemini, which can be
exploited by malicious people to conduct script insertion attacks.

Input passed to the "rtcDescription$RadEditor1" field in
"issue/createissue.aspx" isn't properly sanitised before being used.
This can be exploited to inject arbitrary HTML and script code, which
will be executed in a user's browser session in context of an affected
site when the malicious user data is viewed.

The vulnerability has been reported in version 2.0. Other versions
may also be affected.

SOLUTION:
The vulnerability will reportedly be fixed in the upcoming 2.0.4
version.

Edit the source code to ensure that input is properly sanitised.

PROVIDED AND/OR DISCOVERED BY:
Remco Verhoef

About:
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