CVE-2004-1812 in Unicenter Tng
Summary
by MITRE
Multiple stack-based buffer overflows in Agent Common Services (1) cam.exe and (2) awservices.exe in Unicenter TNG 2.4 allow remote attackers to execute arbitrary code.
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Analysis
by VulDB Data Team • 07/06/2025
The vulnerability identified as CVE-2004-1812 represents a critical security flaw affecting Unicenter TNG 2.4's Agent Common Services components, specifically targeting cam.exe and awservices.exe executables. This issue manifests as multiple stack-based buffer overflows that create exploitable conditions allowing remote attackers to execute arbitrary code on affected systems. The vulnerability stems from insufficient input validation and memory management practices within these core service applications that handle agent communications and system monitoring functions. These applications serve as fundamental components in the Unicenter TNG infrastructure, making the exploit potential particularly dangerous as it could compromise entire enterprise monitoring environments.
The technical implementation of this vulnerability involves stack-based buffer overflows occurring in the processing of network input data within the cam.exe and awservices.exe binaries. When these applications receive malformed input through network communications, they fail to properly validate the length of incoming data before copying it into fixed-size stack buffers. This classic buffer overflow condition allows attackers to overwrite adjacent stack memory, potentially corrupting return addresses and function pointers. The flaw specifically aligns with CWE-121 stack-based buffer overflow classification, where insufficient bounds checking enables attackers to manipulate program execution flow. The vulnerability's remote exploitability means that attackers do not require local system access or credentials to leverage the flaw, making it particularly concerning for enterprise environments where these services are exposed to external networks.
The operational impact of this vulnerability extends beyond simple code execution, as it represents a complete compromise of system integrity and confidentiality. Successful exploitation could enable attackers to gain full control over the affected systems running Unicenter TNG 2.4, potentially leading to data theft, system manipulation, or use as a foothold for further network penetration. The affected applications serve as critical monitoring agents within enterprise environments, meaning that compromising these services could provide attackers with insights into system configurations, network topology, and operational status. This vulnerability directly impacts the CIA triad by compromising confidentiality through potential data exfiltration, integrity through unauthorized code execution, and availability through potential system disruption or takeover. The impact is particularly severe in enterprise contexts where these monitoring services often run with elevated privileges and maintain access to sensitive operational data.
Mitigation strategies for CVE-2004-1812 should prioritize immediate patch application from the vendor, as this vulnerability was addressed through official security updates. Organizations should implement network segmentation to limit exposure of affected services to untrusted networks and consider disabling unnecessary network access to the cam.exe and awservices.exe processes. Security monitoring should include detection of unusual network traffic patterns that might indicate exploitation attempts, particularly focusing on malformed input to these specific services. The implementation of input validation controls and bounds checking within application code represents a fundamental defense against similar vulnerabilities, aligning with ATT&CK technique T1059.007 for execution through remote services. Additionally, organizations should conduct comprehensive vulnerability assessments to identify other potentially affected systems running older versions of Unicenter TNG or similar monitoring applications that may exhibit similar buffer overflow characteristics. Regular security audits and network monitoring should be enhanced to detect anomalous behavior that could indicate exploitation attempts. The vulnerability also underscores the importance of secure coding practices and regular security testing, particularly for applications handling network input data, as recommended by industry standards for preventing buffer overflow exploits.