CVE-2006-1064 in Lurker
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in Lurker 2.0 and earlier allow remote attackers to inject arbitrary web script or HTML via unknown attack vectors.
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Analysis
by VulDB Data Team • 07/21/2019
The vulnerability identified as CVE-2006-1064 represents a critical security flaw in Lurker 2.0 and earlier versions that exposes systems to multiple cross-site scripting attacks. This issue falls under the broader category of web application security vulnerabilities that have been systematically catalogued under CWE-79, which specifically addresses Cross-Site Scripting flaws in software applications. The vulnerability affects the Lurker application, which is a web-based news reader and discussion forum system that allows users to browse and interact with online discussions through a web interface.
The technical nature of this vulnerability stems from insufficient input validation and output encoding within the Lurker application's processing mechanisms. Attackers can exploit this weakness by crafting malicious input that contains executable scripts or HTML code, which then gets injected into the web application's response. These attack vectors are particularly dangerous because they can be triggered through various entry points within the application's user interface, including message posting areas, search functions, and user profile fields. The vulnerability is classified as a remote attack vector, meaning that malicious actors can exploit it without requiring physical access to the target system or network.
The operational impact of this vulnerability extends beyond simple data corruption or display issues. When successfully exploited, these XSS vulnerabilities can enable attackers to execute malicious scripts in the context of other users' browsers, potentially leading to session hijacking, credential theft, or redirection to malicious websites. The implications are particularly severe in environments where Lurker is used for collaborative work or community discussions, as attackers could manipulate the content displayed to users, inject phishing content, or gain unauthorized access to user accounts. This type of vulnerability directly violates the principle of least privilege and can undermine the integrity of the entire web application ecosystem.
Mitigation strategies for CVE-2006-1064 should focus on implementing robust input sanitization and output encoding mechanisms throughout the application. Security practitioners should ensure that all user-provided content is properly escaped before being rendered in web pages, following established security practices such as those outlined in the OWASP Top Ten project. The most effective remediation involves upgrading to a patched version of Lurker that addresses these vulnerabilities, as the original versions are no longer supported and likely contain additional undiscovered security flaws. Organizations should also implement Content Security Policy headers and regular security testing to prevent similar vulnerabilities from being introduced in future web applications. This vulnerability serves as a reminder of the critical importance of input validation in web applications and aligns with ATT&CK technique T1203, which covers Web Application Attack Vectors that leverage user input manipulation for malicious purposes.