CVE-2013-3963 in Gxv Device
Summary
by MITRE
Cross-site request forgery (CSRF) vulnerability in goform/usermanage in Grandstream GXV3501, GXV3504, GXV3601, GXV3601HD/LL, GXV3611HD/LL, GXV3615W/P, GXV3651FHD, GXV3662HD, GXV3615WP_HD, GXV3500, and possibly other camera models allows remote attackers to hijack the authentication of unspecified victims for requests that add users.
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Analysis
by VulDB Data Team • 08/04/2024
The CVE-2013-3963 vulnerability represents a critical cross-site request forgery flaw affecting multiple Grandstream camera models including the GXV3501, GXV3504, GXV3601, and various other HD and standard models. This vulnerability exists within the goform/usermanage component of the web interface, which handles user management operations for these network video cameras. The flaw allows remote attackers to manipulate the authentication process without proper authorization, enabling them to add new user accounts to the affected devices. The vulnerability specifically targets the user management functionality, making it particularly dangerous as it could allow unauthorized individuals to gain persistent access to camera systems.
The technical implementation of this CSRF vulnerability stems from the absence of proper anti-CSRF mechanisms in the web interface's user management functions. When legitimate users interact with the camera's web interface, their authentication tokens are typically validated through session management and request integrity checks. However, the flaw allows attackers to craft malicious requests that can be executed on behalf of authenticated users without their knowledge or consent. This occurs because the web application fails to verify the origin of requests or validate the presence of anti-CSRF tokens, which are standard security measures designed to prevent such attacks. The vulnerability is classified under CWE-352, which specifically addresses Cross-Site Request Forgery issues, and aligns with ATT&CK technique T1190 for exploiting web application vulnerabilities.
The operational impact of this vulnerability extends beyond simple unauthorized user addition, as it fundamentally compromises the security model of these network cameras. Attackers could leverage this weakness to establish persistent backdoor access points within network video surveillance systems, potentially gaining control over video feeds and device configurations. The vulnerability affects both the administrative and user management functionalities, meaning that unauthorized individuals could not only add new users but also potentially modify existing user permissions and access levels. This creates a significant risk for organizations relying on these cameras for security monitoring, as the attack surface expands to include unauthorized account creation that could be used for ongoing surveillance or data exfiltration. The impact is particularly severe in enterprise environments where these cameras are integrated into broader security infrastructures.
Mitigation strategies for CVE-2013-3963 require immediate attention from network administrators and security teams responsible for these devices. The most effective approach involves implementing proper anti-CSRF token validation mechanisms within the web interface, ensuring that all user management operations require valid tokens that are tied to the user's current session. Organizations should also consider updating firmware to versions that address this specific vulnerability, as Grandstream has likely released patches to resolve the issue. Network segmentation and access controls should be implemented to limit direct exposure of these devices to untrusted networks, while monitoring for unusual user creation activities can help detect exploitation attempts. Additionally, regular security assessments of networked devices and mandatory firmware updates should be established as part of comprehensive security policies to prevent similar vulnerabilities from being exploited in the future. The vulnerability demonstrates the critical importance of validating all user management operations through robust session and request integrity checks, as outlined in industry security standards and best practices for web application security.