CVE-2020-19641 in Wifi Mini Spy 1080P HD Security IP Camera
Summary
by MITRE • 03/30/2021
An issue was discovered in INSMA Wifi Mini Spy 1080P HD Security IP Camera 1.9.7 B. Authenticated attackers with the "Operator" Privilege can gain admin privileges via a crafted request to '/goform/formUserMng'.
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Analysis
by VulDB Data Team • 04/06/2021
This vulnerability exists in the INSMA Wifi Mini Spy 1080P HD Security IP Camera firmware version 1.9.7 B, representing a critical privilege escalation flaw that allows authenticated users with operator privileges to elevate their access level to administrative status. The vulnerability stems from improper access control mechanisms within the camera's web interface, specifically in the user management functionality exposed through the /goform/formUserMng endpoint. The camera's authentication system fails to properly validate privilege levels during user management operations, creating a path for malicious actors to manipulate their existing operator credentials into full administrative access.
The technical flaw manifests as a lack of proper privilege validation in the formUserMng handler, which processes user management requests without adequately verifying whether the requesting user possesses sufficient privileges to perform administrative actions. This weakness falls under the CWE-284 access control vulnerability category, specifically addressing improper access control in web applications where insufficient authorization checks allow privilege escalation. The vulnerability can be exploited through a crafted HTTP request that modifies user permissions or creates new administrative accounts, bypassing the normal authentication flow that should prevent operator-level users from accessing administrative functions.
Operationally, this vulnerability presents a significant risk to security infrastructure as it allows an attacker who has already gained access to an operator account to escalate privileges without requiring additional credentials or authentication factors. This creates a scenario where even if network segmentation or other security controls are in place, an attacker can still gain full administrative control over the camera system. The impact extends beyond simple access control as it enables complete system compromise including configuration changes, firmware updates, data exfiltration, and potential use as a pivot point for attacking other networked devices. This vulnerability directly maps to the MITRE ATT&CK technique T1078 legitimate credentials, where adversaries use valid accounts to gain access to additional systems.
Mitigation strategies should focus on immediate firmware updates from the vendor to address the privilege escalation flaw, along with network segmentation to limit access to camera management interfaces. Security teams should implement strict access controls limiting who can access the camera web interfaces and consider network monitoring to detect unusual privilege escalation attempts. Additional measures include disabling unnecessary administrative interfaces, implementing strong authentication mechanisms, and regularly auditing user permissions within the camera system. Organizations should also consider deploying network intrusion detection systems to monitor for requests to the vulnerable /goform/formUserMng endpoint and ensure proper network access controls are in place to prevent unauthorized access to camera management functions.