CVE-2007-1687 in iPIX Image Well
Summary
by MITRE
Multiple buffer overflows in the Internet Pictures Corporation iPIX Image Well ActiveX control (iPIX-ImageWell-ipix.dll) allow remote attackers to execute arbitrary code via unspecified vectors.
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Analysis
by VulDB Data Team • 11/25/2024
The vulnerability identified as CVE-2007-1687 represents a critical security flaw within the iPIX Image Well ActiveX control developed by Internet Pictures Corporation. This ActiveX component, specifically the ipix.dll file, was designed to handle image processing tasks within web browsers that support ActiveX technology. The vulnerability manifests as multiple buffer overflows that occur when the control processes certain input data, creating exploitable conditions that could allow remote attackers to gain unauthorized execution privileges on affected systems.
The technical nature of this vulnerability stems from improper input validation and memory management within the ActiveX control's implementation. Buffer overflows occur when more data is written to a fixed-length buffer than it can accommodate, causing adjacent memory locations to be overwritten. In this case, the iPIX-ImageWell control fails to properly validate the size and content of incoming data streams, particularly when handling image file parameters or configuration settings. This flaw falls under the CWE-121 buffer overflow category, specifically categorized as a stack-based buffer overflow where the overflow occurs in the stack memory region. The vulnerability enables attackers to manipulate the program execution flow by overwriting return addresses, function pointers, or other critical control data structures within the memory layout.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with a potential pathway for complete system compromise. When exploited successfully, the buffer overflow allows remote code execution with the privileges of the user running the affected browser application, typically with the same privileges as the web browser process. This could enable attackers to install malware, modify system configurations, access sensitive data, or establish persistent backdoors on vulnerable systems. The vulnerability is particularly dangerous because it affects systems running Internet Explorer with ActiveX support, which was prevalent in enterprise environments during the 2007 timeframe. The attack vector requires only that a user visit a malicious webpage or open a specially crafted file, making it highly exploitable in phishing campaigns or drive-by download scenarios.
Mitigation strategies for CVE-2007-1687 should focus on both immediate remediation and long-term security hardening measures. The primary recommendation involves disabling or removing the vulnerable iPIX Image Well ActiveX control from affected systems, which can be accomplished through browser security settings or registry modifications. Organizations should implement application whitelisting policies to prevent execution of untrusted ActiveX controls, aligning with the principle of least privilege and defense in depth strategies. Additionally, regular security updates and patch management processes should be enforced to address similar vulnerabilities in other ActiveX controls or browser components. The vulnerability demonstrates the importance of secure coding practices and input validation, particularly when dealing with third-party components that handle untrusted data. Security teams should also consider implementing network-based intrusion detection systems to monitor for exploitation attempts targeting this specific vulnerability, as the attack patterns often involve specific data sequences that can be detected through signature-based monitoring. The remediation approach should also include user education about the risks of visiting untrusted websites and opening suspicious file attachments, as social engineering remains a critical component of successful exploitation attempts.