Kerweb / Kerwin Cross Site Scripting

`Kerweb/Kerwin XSS vulnerabilities  
  
Severity:  
Moderate  
  
Vendor:  
Schneider Electrics  
  
Versions Affected:  
Kerweb < 3.0.1  
Kerwin < 6.0.1  
  
Description:  
Input fields used for searching and displaying content are not filtered properly.  
Thus, the web application suffers from multiple reflected XSS vulnerabilities.  
Exploitation is made easier as parameters are passed with GET HTTP method.  
  
Example:  
An URL can be forged by injecting code in one of the parameter, like 'evtvariablename' here:  
http://<server>/kw.dll?page=evts.xml&sessionid=xxx&nomenu=&typeevtwin=alms&dt=&gtvariablevalue=&ltvariablevalue=&variablevalue=&nevariablevalue=&evtclass=&evtdevicezone=&evtdevicecountry=&evtdeviceregion=&evtstatustype=&evtseveritytype=&evtstatus=&evtseverity=&evtlevel=&gtdateapp=&ltdateapp=&gtdaterec=&ltdaterec=&evtvariablename="</script><script>alert(1)</script>"&evtdevicename=&evtnature=&evttype=&gtduration=&ltduration=&gtdurationvalue=&gtdurationwide=1&ltdurationvalue=&ltdurationwide=1  
  
Vendor status:  
Vendor was contacted and a fix was released (with Kerweb 3.0.1 and Kerwin 6.0.1)  
  
Mitigation:  
Upgrade to Kerweb 3.0.1 and Kerwin 6.0.1  
  
CVE:  
CVE-2012-1990  
  
Timeline:  
06/20/2011: vendor disclosure (ticket reference : KN10915)  
07/22/2011: vendor response  
09/01/2012: fix released  
05/05/2012: public disclosure  
  
--- phocean  
`