CVE-2001-1574 in Interscan Viruswall
Summary
by MITRE
Buffer overflow in (1) HttpSaveCVP.dll and (2) HttpSaveCSP.dll in Trend Micro InterScan VirusWall 3.5.1 allows remote attackers to execute arbitrary code.
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Analysis
by VulDB Data Team • 04/11/2019
The vulnerability identified as CVE-2001-1574 represents a critical buffer overflow flaw affecting Trend Micro InterScan VirusWall 3.5.1 software components HttpSaveCVP.dll and HttpSaveCSP.dll. This vulnerability resides within the web server functionality of the antivirus gateway solution, specifically targeting the handling of HTTP requests that contain maliciously crafted data. The buffer overflow occurs when the application processes certain HTTP headers or parameters without proper bounds checking, allowing an attacker to overwrite adjacent memory locations in the application's execution space. The affected modules are responsible for processing cryptographic and certificate validation operations within the HTTP protocol stack, making them prime targets for exploitation. This vulnerability is particularly dangerous because it operates at the network level, enabling remote code execution without requiring any local privileges or authentication from the attacker. The flaw stems from inadequate input validation mechanisms that fail to properly sanitize user-supplied data before processing, creating a pathway for malicious actors to inject and execute arbitrary code on the affected system. The vulnerability directly maps to CWE-121, which describes heap-based buffer overflow conditions, and CWE-122, which covers stack-based buffer overflow scenarios, both of which are fundamental weaknesses in memory management. From an operational perspective, this vulnerability exposes organizations using InterScan VirusWall 3.5.1 to significant risk of complete system compromise, as successful exploitation can lead to unauthorized access, data exfiltration, and potential lateral movement within the network infrastructure. Attackers can leverage this vulnerability through network-based attacks, sending specially crafted HTTP requests that trigger the buffer overflow condition in the vulnerable DLL modules. The attack vector aligns with ATT&CK technique T1190, which involves exploitation of remote services through network-based attacks, and T1059, which encompasses the execution of malicious code through command and scripting interfaces. Organizations utilizing this version of InterScan VirusWall face a critical security risk, as the vulnerability can be exploited by remote attackers without any privileged access requirements. The impact extends beyond immediate system compromise to potential disruption of network security operations, as the gateway serves as a critical security control point for virus detection and prevention. The buffer overflow affects the memory management mechanisms of the HTTP processing components, potentially leading to application crashes, denial of service conditions, or complete system takeover. Security professionals should recognize this vulnerability as a high-priority issue requiring immediate remediation through software updates or patches provided by Trend Micro. The vulnerability demonstrates the importance of input validation and memory safety practices in network security appliances, particularly those handling HTTP traffic and cryptographic operations. Organizations should implement network segmentation and monitoring to detect potential exploitation attempts, while also ensuring that all security infrastructure components are kept up to date with the latest security patches to prevent such critical vulnerabilities from being exploited in production environments.