CVE-2007-2918 in VideoCall
Summary
by MITRE
Multiple stack-based buffer overflows in ActiveX controls (1) VibeC in (a) vibecontrol.dll, (2) CallManager and (3) ViewerClient in (b) StarClient.dll, (4) ComLink in (c) uicomlink.dll, and (5) WebCamXMP in (d) wcamxmp.dll in Logitech VideoCall allow remote attackers to cause a denial of service (browser crash) and execute arbitrary code via unspecified vectors.
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Analysis
by VulDB Data Team • 11/26/2024
The vulnerability described in CVE-2007-2918 represents a critical security flaw affecting multiple ActiveX controls developed by Logitech for video conferencing and communication applications. These controls are part of the Logitech VideoCall suite and are designed to integrate with web browsers to provide multimedia functionality. The affected components include VibeC in vibecontrol.dll, CallManager and ViewerClient in StarClient.dll, ComLink in uicomlink.dll, and WebCamXMP in wcamxmp.dll, all of which are susceptible to stack-based buffer overflow conditions that can be exploited remotely.
The technical implementation of these vulnerabilities stems from improper input validation within the ActiveX control interfaces. Stack-based buffer overflows occur when more data is written to a fixed-length buffer located on the stack than the buffer can accommodate, leading to memory corruption that can be manipulated by attackers. The specific vectors for exploitation remain unspecified in the CVE description but typically involve malformed input parameters or crafted data structures passed to the vulnerable ActiveX methods. These controls are designed to process multimedia data streams and user interactions through browser environments, making them prime targets for remote code execution attacks.
The operational impact of these vulnerabilities extends beyond simple denial of service conditions to encompass full remote code execution capabilities. When exploited, these buffer overflows can cause browser crashes and potentially allow attackers to execute arbitrary code with the privileges of the victim user. This represents a significant escalation from simple denial of service to full system compromise, particularly since ActiveX controls often run with elevated privileges within browser contexts. The vulnerabilities affect users who have Logitech VideoCall software installed and access web content that triggers these ActiveX controls, making the attack surface particularly broad given the widespread use of such multimedia applications.
Security professionals should note that these vulnerabilities align with CWE-121 stack-based buffer overflow conditions and represent a classic example of unsafe memory handling in client-side components. The ATT&CK framework categorizes these issues under the T1059.007 technique for command and scripting interpreter, as successful exploitation could lead to command execution within the victim environment. Organizations should implement immediate mitigations including disabling ActiveX controls in web browsers, updating to patched versions of Logitech VideoCall software, and employing browser security restrictions that prevent automatic execution of ActiveX components. The vulnerability demonstrates the inherent risks of legacy ActiveX technologies and underscores the importance of maintaining up-to-date software components to prevent exploitation of known buffer overflow conditions.