CVE-2007-3703 in ProgramChecker
Summary
by MITRE
Stack-based buffer overflow in a certain ActiveX control in sasatl.dll 1.5.0.531 in Zenturi Program Checker (ProgramChecker) Pro allows remote attackers to execute arbitrary code via a long argument to the Fill method. NOTE: this is probably a different issue than CVE-2007-2987.
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Analysis
by VulDB Data Team • 09/25/2024
The vulnerability described in CVE-2007-3703 represents a critical stack-based buffer overflow flaw within the sasatl.dll ActiveX control version 1.5.0.531 that is part of Zenturi Program Checker Pro software. This type of vulnerability falls under the Common Weakness Enumeration category CWE-121, which specifically addresses stack-based buffer overflow conditions where insufficient bounds checking allows attackers to overwrite adjacent memory locations on the program stack. The affected ActiveX control is designed to provide system monitoring and security checking capabilities, making it a prime target for exploitation in attack scenarios.
The technical exploitation of this vulnerability occurs through a carefully crafted malicious argument passed to the Fill method of the vulnerable ActiveX control. When this method processes an excessively long argument, it fails to validate the input length against the allocated stack buffer size, creating a condition where the overflow can overwrite return addresses, function pointers, and other critical stack data. This particular implementation flaw allows attackers to potentially overwrite the instruction pointer and redirect code execution to malicious payloads injected into the overflowed buffer. The vulnerability is particularly concerning because it operates within the context of a web browser environment where ActiveX controls are executed, making it possible for remote attackers to deliver malicious payloads through web pages or other network-delivered content.
The operational impact of this vulnerability extends beyond simple code execution as it represents a significant escalation path for attackers seeking to compromise systems running the affected software. When successfully exploited, the buffer overflow can enable arbitrary code execution with the privileges of the user running the vulnerable application, which typically includes elevated privileges in the context of the browser or system. This vulnerability is particularly dangerous in enterprise environments where the Program Checker Pro software might be deployed across multiple systems, as a single successful exploitation could lead to widespread compromise. The attack vector is remote and does not require user interaction beyond visiting a malicious webpage, making it particularly effective for drive-by download attacks or targeted campaigns against specific organizations.
Mitigation strategies for this vulnerability should focus on immediate remediation through official vendor patches and updates, as well as network-level defenses to prevent access to potentially malicious content. Organizations should implement browser hardening measures including ActiveX control restrictions and enhanced sandboxing policies to limit the potential impact of such vulnerabilities. The vulnerability demonstrates the importance of proper input validation and bounds checking in software development practices, particularly for components that are exposed to untrusted data sources. Additionally, security professionals should consider implementing network monitoring and intrusion detection systems to detect potential exploitation attempts targeting this specific vulnerability. This case highlights the critical need for regular security assessments of third-party software components and the importance of maintaining up-to-date security patches to prevent exploitation of known vulnerabilities. The ATT&CK framework categorizes this type of vulnerability under the technique of "Exploitation for Privilege Escalation" where attackers leverage software flaws to gain elevated system privileges, making it a significant concern for enterprise security teams.