CVE-2015-2100 in eDVR Manager
Summary
by MITRE • 07/23/2021
Multiple stack-based buffer overflows in WebGate eDVR Manager and Control Center allow remote attackers to execute arbitrary code via unspecified vectors to the (1) TCPDiscover or (2) TCPDiscover2 function in the WESPDiscovery.WESPDiscoveryCtrl.1 control.
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Analysis
by VulDB Data Team • 05/03/2025
The vulnerability identified as CVE-2015-2100 represents a critical stack-based buffer overflow flaw affecting WebGate eDVR Manager and Control Center software. This vulnerability specifically impacts the WESPDiscovery.WESPDiscoveryCtrl.1 ActiveX control, which is designed to handle network discovery operations through TCP port scanning functionality. The flaw manifests in two distinct functions: TCPDiscover and TCPDiscover2, both of which are susceptible to malformed input that can cause stack corruption and arbitrary code execution.
The technical nature of this vulnerability stems from inadequate input validation within the ActiveX control's discovery functions. When remote attackers send specially crafted data to these functions, the software fails to properly bounds-check incoming parameters before copying them to fixed-size stack buffers. This classic buffer overflow condition allows attackers to overwrite adjacent stack memory, potentially including return addresses and function pointers, thereby enabling remote code execution. The vulnerability is particularly dangerous because it operates through ActiveX controls, which are commonly enabled in Internet Explorer environments, making exploitation more likely in typical enterprise settings.
The operational impact of CVE-2015-2100 extends beyond simple code execution to encompass full system compromise capabilities. Attackers leveraging this vulnerability can gain unauthorized access to network surveillance systems, potentially enabling them to manipulate video recording schedules, access stored footage, or even take control of the entire digital video recorder infrastructure. This represents a significant security risk for organizations relying on WebGate eDVR systems for security monitoring, as the compromise of these devices could lead to complete loss of surveillance capabilities and potential data breaches.
This vulnerability aligns with CWE-121, which describes stack-based buffer overflow conditions, and demonstrates characteristics consistent with attack patterns documented in the MITRE ATT&CK framework under the T1059.007 technique for command and scripting interpreter. The attack surface is particularly concerning as it involves ActiveX controls that are often deployed in enterprise environments without proper security restrictions, making exploitation more likely and potentially more impactful than in isolated scenarios. Organizations should implement immediate mitigations including disabling ActiveX controls in web browsers, applying vendor patches when available, and implementing network segmentation to limit potential lateral movement. The vulnerability also underscores the importance of secure coding practices in ActiveX development and the need for thorough input validation in all network-facing components.