CVE-2008-2281 in Internet Explorer
Summary
by MITRE
Cross-zone scripting vulnerability in the Print Table of Links feature in Internet Explorer 6.0, 7.0, and 8.0b allows user-assisted remote attackers to inject arbitrary web script or HTML in the Local Machine Zone via an HTML document with a link containing JavaScript sequences, which are evaluated by a resource script when a user prints this document.
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Analysis
by VulDB Data Team • 05/31/2025
This cross-zone scripting vulnerability exists within the Print Table of Links feature of Internet Explorer versions 6.0, 7.0, and 8.0b, representing a significant security flaw that bridges trust boundaries within the browser's security model. The vulnerability operates through a sophisticated attack vector that leverages the interaction between different security zones, specifically targeting the Local Machine Zone which typically enjoys elevated privileges. When users print documents containing malicious links, the browser's resource script evaluation process inadvertently executes JavaScript code that would normally be restricted in the Local Machine Zone, creating a dangerous privilege escalation scenario.
The technical implementation of this vulnerability stems from improper handling of hyperlink data during the print processing workflow. When Internet Explorer encounters a document with links containing JavaScript sequences, the print table of links feature fails to properly sanitize or validate the content before execution. This flaw is classified under CWE-79 as Cross-Site Scripting, specifically manifesting as a cross-zone scripting vulnerability that violates the fundamental security principle of zone isolation. The vulnerability essentially allows attackers to inject arbitrary web script or HTML content that gets executed in the context of the Local Machine Zone, bypassing the security restrictions typically enforced by the browser's zone-based security model.
The operational impact of this vulnerability is severe and multifaceted, as it enables remote attackers to execute malicious code with elevated privileges typically reserved for local machine operations. An attacker could craft malicious HTML documents containing JavaScript sequences within links that, when printed by an unsuspecting user, would execute harmful payloads including but not limited to credential theft, system file manipulation, or installation of persistent backdoors. This vulnerability particularly affects enterprise environments where users may print sensitive documents containing embedded malicious links, potentially leading to complete system compromise. The user-assisted nature of the attack means that social engineering plays a crucial role in exploitation, as users must actively print documents containing the malicious content.
Mitigation strategies for this vulnerability must address both the immediate security gap and broader browser security practices. Microsoft released patches for this vulnerability through Windows Update, but organizations should implement comprehensive security policies including disabling the Print Table of Links feature for sensitive users, implementing strict content filtering for print operations, and conducting regular security awareness training to prevent users from printing untrusted documents. The vulnerability aligns with ATT&CK technique T1059.007 for Command and Scripting Interpreter: JavaScript, and T1071.004 for Application Layer Protocol: DNS, as attackers could leverage this vulnerability to establish persistent command and control channels. Organizations should also consider implementing web application firewalls and content security policies to prevent the injection of malicious JavaScript into documents that may be processed by vulnerable browser versions.