CVE-2007-3435 in Barcode Activex
Summary
by MITRE
Stack-based buffer overflow in the BeginPrint method in a certain ActiveX control in RKD Software (barcodetools.com) BarCodeAx.dll 4.9 allows remote attackers to execute arbitrary code via a long argument.
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Analysis
by VulDB Data Team • 09/22/2024
The vulnerability identified as CVE-2007-3435 represents a critical stack-based buffer overflow flaw within the BarCodeAx.dll ActiveX control version 4.9 distributed by RKD Software. This vulnerability specifically affects the BeginPrint method of the ActiveX component, which is designed to handle barcode printing functionality within Windows environments. The flaw arises from insufficient input validation and bounds checking within the method implementation, creating an exploitable condition that can be triggered through remote code execution attacks.
The technical nature of this vulnerability falls under CWE-121, which describes stack-based buffer overflow conditions where insufficient bounds checking allows attackers to overwrite adjacent memory locations on the stack. The BeginPrint method in BarCodeAx.dll 4.9 fails to properly validate the length of input arguments, allowing malicious actors to provide excessively long parameter values that exceed the allocated buffer space. This overflow can overwrite return addresses, function pointers, and other critical stack data structures, providing attackers with the ability to redirect program execution flow.
From an operational perspective, this vulnerability poses significant risk to systems running affected ActiveX controls, particularly in enterprise environments where ActiveX components are frequently deployed for business applications. The remote exploit capability means attackers can leverage this vulnerability through web-based attacks without requiring local system access, making it particularly dangerous in internet-facing applications. The vulnerability affects systems where the BarCodeAx.dll control is registered and accessible, typically through web browsers or applications that utilize the ActiveX component for barcode generation and printing functions.
The attack vector for this vulnerability aligns with ATT&CK technique T1203, which describes the exploitation of software vulnerabilities to gain code execution privileges. Attackers can craft malicious web pages or applications that invoke the vulnerable BeginPrint method with oversized arguments, triggering the buffer overflow and potentially executing arbitrary code with the privileges of the affected application. This could lead to complete system compromise, data theft, or further network infiltration through lateral movement.
Mitigation strategies should prioritize immediate removal or disabling of the vulnerable BarCodeAx.dll component from affected systems, particularly those accessible from untrusted networks. System administrators should implement browser security policies that block ActiveX controls from untrusted sources and ensure regular patching of all software components. Additionally, network segmentation and application whitelisting can help reduce the attack surface. Organizations should also consider implementing intrusion detection systems to monitor for exploitation attempts targeting known vulnerable ActiveX controls, while maintaining current threat intelligence feeds to identify potential exploitation activities.