CVE-2007-3111 in Camimage ActiveX control
Summary
by MITRE
Buffer overflow in the Provideo Camimage ActiveX control in ISSCamControl.dll 1.0.1.5, when Internet Explorer 6 is used on Windows 2000 SP4, allows remote attackers to execute arbitrary code via a long URL property value.
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Analysis
by VulDB Data Team • 09/20/2024
The vulnerability identified as CVE-2007-3111 represents a critical buffer overflow flaw within the Provideo Camimage ActiveX control component ISSCamControl.dll version 1.0.1.5. This security weakness specifically affects systems running Internet Explorer 6 on Windows 2000 Service Pack 4, creating a significant attack surface for remote code execution. The vulnerability stems from inadequate input validation within the ActiveX control's URL property handling mechanism, where the software fails to properly sanitize or limit the length of user-supplied input data.
The technical exploitation of this buffer overflow occurs when a maliciously crafted URL property value exceeds the allocated buffer space within the ISSCamControl.dll module. This overflow condition allows attackers to overwrite adjacent memory locations, potentially corrupting program execution flow and enabling arbitrary code execution with the privileges of the affected user. The vulnerability is particularly dangerous because it leverages the trusted ActiveX control architecture, which inherently trusts components installed on the target system, making it difficult for users to distinguish between legitimate and malicious content.
From an operational impact perspective, this vulnerability exposes organizations running legacy Windows 2000 systems with Internet Explorer 6 to severe compromise risks. The attack vector requires only a remote delivery mechanism such as a malicious website or email attachment containing the crafted ActiveX control, making it highly accessible to threat actors. Successful exploitation could result in complete system compromise, data theft, or establishment of persistent backdoors. The vulnerability aligns with CWE-121, which describes stack-based buffer overflow conditions, and represents a classic example of how ActiveX controls can serve as attack vectors in legacy web environments.
The exploitation of this vulnerability directly maps to several ATT&CK techniques including T1190 for Exploit Public-Facing Application and T1059 for Command and Scripting Interpreter, as attackers can leverage the compromised system to execute further malicious activities. Organizations with outdated systems running this vulnerable ActiveX control face significant risk due to the lack of modern security features and the prevalence of such legacy configurations in enterprise environments. The vulnerability demonstrates the critical importance of proper input validation and memory management in component-based software architecture.
Mitigation strategies for CVE-2007-3111 should prioritize immediate removal or disabling of the vulnerable Provideo Camimage ActiveX control from affected systems. Organizations should implement browser security policies that restrict ActiveX control execution, deploy application whitelisting solutions, and ensure comprehensive patch management processes are in place. Additionally, network-based intrusion detection systems should be configured to monitor for suspicious ActiveX control requests, while security awareness training should emphasize the dangers of visiting untrusted websites that may contain malicious ActiveX content. The remediation process must also include thorough system audits to identify any other potentially vulnerable ActiveX controls or legacy components that may present similar security risks.