CVE-2009-0496 in Openfire
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in Ignite Realtime Openfire 3.6.2 allow remote attackers to inject arbitrary web script or HTML via the (1) log parameter to (a) logviewer.jsp and (b) log.jsp; (2) search parameter to (c) group-summary.jsp; (3) username parameter to (d) user-properties.jsp; (4) logDir, (5) maxTotalSize, (6) maxFileSize, (7) maxDays, and (8) logTimeout parameters to (e) audit-policy.jsp; (9) propName parameter to (f) server-properties.jsp; and the (10) roomconfig_roomname and (11) roomconfig_roomdesc parameters to (g) muc-room-edit-form.jsp. NOTE: this can be leveraged for arbitrary code execution by using XSS to upload a malicious plugin.
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Analysis
by VulDB Data Team • 11/28/2024
The vulnerability described in CVE-2009-0496 represents a critical cross-site scripting flaw affecting Ignite Realtime Openfire version 3.6.2, a widely used instant messaging server platform. This vulnerability exposes multiple entry points within the web administration interface where unvalidated user input is directly reflected back to clients without proper sanitization or encoding. The affected parameters span across various administrative pages including log viewer functionalities, user management interfaces, audit policy configuration, server properties management, and multi-user chat room configuration forms. The presence of these XSS vulnerabilities fundamentally compromises the security posture of the messaging platform by allowing remote attackers to execute malicious scripts within the context of authenticated user sessions.
The technical exploitation of these vulnerabilities occurs through the injection of malicious JavaScript code or HTML content into the vulnerable parameters. When users navigate to affected pages with maliciously crafted input, the injected scripts execute in the browser context of legitimate users who have administrative privileges. This creates a persistent threat vector where attackers can manipulate the web interface to perform unauthorized actions, steal session cookies, or redirect users to malicious sites. The vulnerability is particularly dangerous because it affects administrative interfaces, meaning successful exploitation could grant attackers full control over the messaging server configuration and user management capabilities.
The operational impact of this vulnerability extends beyond simple script injection, as demonstrated by the note indicating that the XSS flaws can be leveraged for arbitrary code execution through plugin uploads. This represents a significant escalation path where attackers can use the initial XSS compromise to upload malicious plugins that execute with the privileges of the web server, effectively providing complete system compromise. The attack surface encompasses multiple administrative functions including log management, user properties, audit policies, and chat room configurations, making this vulnerability particularly damaging for organizations relying on Openfire for enterprise communications. The vulnerability affects both the server's administrative interface and its core messaging functionality, creating a comprehensive attack vector that can disrupt service availability and compromise sensitive communication data.
Mitigation strategies for this vulnerability require immediate patching of the Openfire installation to version 3.6.3 or later, which contains the necessary input validation and output encoding fixes. Organizations should implement comprehensive input validation across all user-facing parameters and ensure proper HTML encoding of all dynamic content returned to clients. Network segmentation and access controls should be implemented to limit exposure of administrative interfaces to trusted networks only. Additionally, organizations should deploy web application firewalls to detect and block suspicious input patterns targeting these specific parameters. The vulnerability aligns with CWE-79 (Cross-site Scripting) and can be mapped to ATT&CK technique T1059.007 (Command and Scripting Interpreter: JavaScript) when exploited for code execution. Regular security assessments and input validation testing should be conducted to prevent similar vulnerabilities in other web applications, particularly those handling user-supplied data in administrative contexts.