CVE-2007-3167 in MjpegControl
Summary
by MITRE
Stack-based buffer overflow in the Vivotek Motion Jpeg ActiveX control (aka MjpegControl) in MjpegDecoder.dll 2.0.0.13 allows remote attackers to execute arbitrary code via a long PtzUrl property value.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 09/19/2024
The vulnerability identified as CVE-2007-3167 represents a critical stack-based buffer overflow within the Vivotek Motion Jpeg ActiveX control, specifically affecting the MjpegDecoder.dll component version 2.0.0.13. This flaw exists within the PtzUrl property handling mechanism of the MjpegControl ActiveX control, which is commonly used in video surveillance and monitoring applications. The vulnerability stems from inadequate input validation and bounds checking within the ActiveX control's memory management routines, creating an exploitable condition that can be triggered through malformed input parameters.
The technical implementation of this vulnerability involves the manipulation of the PtzUrl property value to exceed the allocated stack buffer size within the MjpegDecoder.dll module. When an attacker provides an excessively long string value to the PtzUrl property, the ActiveX control fails to properly validate the input length before copying it into a fixed-size stack buffer. This violation allows the attacker to overwrite adjacent stack memory locations, potentially corrupting the return address and control flow of the executing process. The vulnerability specifically aligns with CWE-121, which describes stack-based buffer overflow conditions where insufficient bounds checking permits data to overwrite adjacent memory locations.
The operational impact of this vulnerability extends beyond simple code execution, as it can be leveraged by remote attackers to gain unauthorized access to systems running vulnerable ActiveX controls. Since ActiveX controls are typically executed within web browsers or other applications that support ActiveX technology, attackers can exploit this vulnerability through web-based attacks without requiring local system access. The attack surface includes any system that has the Vivotek Motion Jpeg ActiveX control installed, particularly those in surveillance environments where such controls are commonly deployed. This vulnerability can be particularly dangerous in enterprise settings where surveillance systems are integrated with broader network infrastructure, potentially allowing attackers to escalate privileges and gain access to sensitive monitoring data or system resources.
Mitigation strategies for CVE-2007-3167 should focus on immediate remediation through software updates and patches provided by Vivotek, as well as network-level protections to prevent exploitation attempts. Organizations should implement ActiveX control restrictions within browser security policies, disable unnecessary ActiveX controls, and deploy intrusion detection systems to monitor for exploitation attempts. Additionally, network segmentation and application whitelisting can help prevent unauthorized execution of vulnerable components. The vulnerability demonstrates the ongoing risks associated with legacy ActiveX controls and highlights the importance of maintaining up-to-date security patches for third-party components. This case aligns with ATT&CK technique T1059.007, which covers the use of scripting languages and ActiveX controls for code execution, emphasizing the need for comprehensive application security measures and the deprecation of vulnerable legacy technologies.