SUBJECT: Insufficient Authorization Checks Request Handling Remote Authentication Bypass for Kguard Digital Video Recorders
DESCRIPTION: A deficiency in handling authentication and authorization has been found with Kguard 104/108/v2 models. While password-based authentication is used by the ActiveX component to protect the login page, all the communication to the application server at port 9000 allows data to be communicated directly with insufficient or improper authorization.
CVSS Base Score: 9.7 CVSS Temporal Score: 8.3 CVSS Environmental Score: Undefined CVSS Vector: (AV:N/AC:L/Au:N/C:C/I:C/A:P/E:F/RL:U/RC:UR)
Affected Products and Versions
Kguard Digital Video Recorders: KG-SHA104/KG-SHA108/v2. Other variants that runs the same firmware from Zhuhai Raysharp Technology Co Ltd, are believed to be vulnerable.
Exploit / Proof of Concept:
Workarounds and Mitigations
 http://www.securityfocus.com/archive/1/534830  http://us.kworld-global.com/main/prod_in.aspx?mnuid=1306&modid=10&prodid=527  http://osvdb.org/show/osvdb/119402  http://osvdb.org/show/osvdb/119422  http://osvdb.org/show/osvdb/119403  https://www.academia.edu/11677554/Kguard_Digital_Video_Recorders_Multiple_Vulnerabilities