CVE-2008-2259 in Internet Explorer
Summary
by MITRE
Microsoft Internet Explorer 6 and 7 does not perform proper "argument validation" during print preview, which allows remote attackers to execute arbitrary code via unknown vectors, aka "HTML Component Handling Vulnerability."
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 08/01/2021
The vulnerability identified as CVE-2008-2259 represents a critical security flaw in Microsoft Internet Explorer versions 6 and 7 that stems from inadequate argument validation during the print preview functionality. This weakness falls under the broader category of software vulnerabilities related to improper input handling and validation, which is classified as CWE-252 in the Common Weakness Enumeration catalog. The vulnerability specifically affects the HTML component handling mechanism within the browser's print preview feature, creating a potential attack surface that malicious actors could exploit to execute arbitrary code on affected systems.
The technical nature of this vulnerability lies in the browser's failure to properly validate input parameters when processing print preview requests. When users interact with print preview functionality in Internet Explorer 6 and 7, the application does not adequately sanitize or validate the arguments passed to HTML components, creating opportunities for attackers to craft malicious payloads that can be executed within the browser context. This flaw operates at the intersection of memory corruption vulnerabilities and privilege escalation issues, as successful exploitation could allow attackers to gain unauthorized code execution privileges on target systems. The vulnerability's classification aligns with ATT&CK technique T1059.001, which covers command and scripting interpreter usage, as attackers could leverage this weakness to execute malicious code through the browser's print preview mechanism.
The operational impact of CVE-2008-2259 extends beyond simple code execution, as it represents a significant threat vector for remote code execution attacks. Attackers could potentially craft malicious web pages or documents that, when opened in affected versions of Internet Explorer, would trigger the vulnerable print preview functionality and execute attacker-controlled code with the privileges of the logged-in user. This vulnerability particularly affected enterprise environments where older versions of Internet Explorer were still in use, creating widespread exposure across organizations that had not yet migrated to more secure browser versions. The risk was compounded by the fact that many users and administrators were unaware of the vulnerability, leading to extended periods of exposure in production environments.
Mitigation strategies for this vulnerability required immediate action from system administrators and security teams. The most effective approach involved deploying Microsoft security patches and updates as soon as they became available, which addressed the underlying argument validation issues in the print preview component. Organizations were advised to implement browser lockdown policies and disable unnecessary browser features to reduce attack surface, particularly focusing on restricting access to potentially vulnerable components. Network-level mitigations included implementing web application firewalls and content filtering solutions that could detect and block malicious payloads targeting this specific vulnerability. Additionally, user education initiatives became crucial in helping end users recognize potentially malicious content and avoid visiting compromised websites that could exploit this vulnerability during print preview operations. The vulnerability underscored the importance of maintaining up-to-date software and implementing comprehensive patch management programs to protect against known security flaws.