CVE-2010-4230 in CMNC-200
Summary
by MITRE
Stack-based buffer overflow in a certain ActiveX control for the Camtron CMNC-200 Full HD IP Camera and TecVoz CMNC-200 Megapixel IP Camera with firmware 1.102A-008 allows remote attackers to execute arbitrary code via a long string in the first argument to the connect method.
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Analysis
by VulDB Data Team • 08/31/2024
The CVE-2010-4230 vulnerability represents a critical stack-based buffer overflow flaw in ActiveX controls associated with specific IP camera models manufactured by Camtron and TecVoz. This vulnerability affects the CMNC-200 Full HD IP Camera and TecVoz CMNC-200 Megapixel IP Camera devices running firmware version 1.102A-008. The flaw exists within the communication interface of these security devices, specifically in how they handle input parameters through their ActiveX control implementation. The vulnerability is particularly concerning because it allows remote code execution, making it a significant threat to network security infrastructure that relies on these devices for surveillance and monitoring purposes.
The technical implementation of this vulnerability stems from improper input validation within the ActiveX control's connect method. When an attacker supplies a maliciously crafted string as the first argument to this method, the control fails to properly bounds-check the input before copying it to a fixed-size stack buffer. This classic buffer overflow condition occurs because the implementation does not verify that the input string length exceeds the allocated buffer space, allowing the attacker to overwrite adjacent stack memory. The overflow can potentially overwrite return addresses, function pointers, and other critical control data structures, enabling arbitrary code execution with the privileges of the affected process.
The operational impact of CVE-2010-4230 extends beyond simple remote code execution to encompass complete system compromise of affected IP camera devices. Attackers can leverage this vulnerability to gain unauthorized access to surveillance systems, potentially leading to data breaches, privacy violations, and network infiltration. The vulnerability affects devices that are commonly deployed in enterprise and industrial environments where security cameras serve as critical components of overall security infrastructure. Once exploited, the compromised devices can be used as entry points for broader network attacks, making this vulnerability particularly dangerous in environments where these cameras are connected to internal networks or integrated with other security systems. The attack vector is particularly insidious because it requires no local access or authentication, making it a prime target for automated exploitation campaigns.
Mitigation strategies for CVE-2010-4230 should focus on immediate firmware updates from manufacturers, network segmentation to isolate affected devices, and implementation of network monitoring to detect exploitation attempts. Organizations should disable ActiveX controls where possible and implement strict input validation measures at network boundaries. The vulnerability aligns with CWE-121 Stack-based Buffer Overflow, which is categorized under the broader class of buffer overflow conditions that can lead to arbitrary code execution. From an ATT&CK framework perspective, this vulnerability maps to techniques involving remote code execution and privilege escalation, potentially enabling adversaries to establish persistent access to network environments through compromised surveillance infrastructure. Given the age of this vulnerability and the lack of ongoing support for the affected devices, organizations should consider immediate replacement or decommissioning of affected systems to prevent exploitation.