CVE-2007-2895 in LeadTools Raster Dialog File Object
Summary
by MITRE
Buffer overflow in a certain ActiveX control in LTRDF14e.DLL 14.5.0.44 in LeadTools Raster Dialog File Object allows remote attackers to execute arbitrary code via a long Directory property value.
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Analysis
by VulDB Data Team • 10/26/2017
The vulnerability identified as CVE-2007-2895 represents a critical buffer overflow flaw within the LeadTools Raster Dialog File Object ActiveX control component. This issue affects version 14.5.0.44 of the LTRDF14e.DLL library, which is part of the LeadTools software suite used for image processing and raster graphics manipulation. The vulnerability manifests specifically when handling the Directory property value, creating an exploitable condition that can be leveraged by remote attackers to execute arbitrary code on affected systems. The ActiveX control architecture inherently presents security risks due to its interactive nature and the trust relationships it establishes with web browsers and applications that host it.
The technical implementation of this buffer overflow occurs within the handling of the Directory property parameter in the LTRDF14e.DLL ActiveX control. When an attacker provides an excessively long string value for the Directory property, the control fails to properly validate input length before copying it into a fixed-size buffer. This classic buffer overflow condition allows the attacker to overwrite adjacent memory locations, potentially corrupting the stack or heap memory structures. The vulnerability is classified under CWE-121 as a stack-based buffer overflow, which occurs when insufficient bounds checking is performed on user-supplied data. The flaw enables attackers to manipulate program execution flow by overwriting return addresses or function pointers, ultimately leading to arbitrary code execution.
The operational impact of this vulnerability extends beyond simple code execution, as it creates a significant attack surface for malicious actors targeting systems with vulnerable LeadTools installations. Remote exploitation is particularly concerning since attackers can craft malicious web pages or ActiveX-enabled documents that automatically trigger the vulnerable code path. This vulnerability affects systems where LeadTools is installed and where ActiveX controls are enabled in web browsers, making it exploitable in typical enterprise environments where these components are commonly deployed for document processing and image management tasks. The attack vector through web browsers means that users can be compromised simply by visiting malicious websites or opening infected documents, without requiring any special privileges or local access.
Organizations should implement immediate mitigations including disabling ActiveX controls in web browsers, removing vulnerable LeadTools installations from internet-facing systems, and applying available patches from the vendor when released. The vulnerability aligns with ATT&CK technique T1203 - Exploitation for Client Execution, which describes how adversaries exploit software vulnerabilities to execute malicious code on compromised systems. System administrators should also consider implementing network segmentation to limit exposure of systems running vulnerable ActiveX controls, while monitoring for suspicious network activity that might indicate exploitation attempts. Additionally, security awareness training should emphasize the dangers of visiting untrusted websites or opening unexpected attachments that could contain malicious ActiveX content designed to exploit this vulnerability. The broader implications suggest that organizations should conduct comprehensive vulnerability assessments to identify other potentially vulnerable ActiveX controls and legacy software components that may present similar security risks.