CVE-2008-3596 in Harmoni
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in Harmoni before 1.4.7 allows remote attackers to inject arbitrary web script or HTML via the Username field, which is inserted into logs that could be rendered when viewed by an administrator.
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Analysis
by VulDB Data Team • 10/03/2018
The vulnerability identified as CVE-2008-3596 represents a classic cross-site scripting flaw within the Harmoni application framework prior to version 1.4.7. This type of vulnerability falls under the Common Weakness Enumeration category CWE-79 which specifically addresses improper neutralization of input during web output, making it a critical concern for web application security. The flaw manifests when user-supplied data enters the system through the Username field and gets subsequently logged without proper sanitization or encoding. When administrators subsequently view these logs, the malicious script code becomes executable within their browser context, creating a persistent XSS vector that can be exploited across multiple sessions.
The technical exploitation of this vulnerability requires an attacker to register with a malicious payload in the Username field, which then gets stored in the application's logging system. When an administrator accesses the logs to monitor user activity or troubleshoot issues, the stored script code executes in their browser environment. This creates a significant operational impact as the attacker can potentially steal session cookies, redirect users to malicious sites, or perform actions on behalf of the administrator. The vulnerability is particularly dangerous because it leverages legitimate administrative functionality to deliver malicious payloads, making detection more challenging and exploitation more effective.
From an operational perspective, this vulnerability represents a serious risk to system integrity and user security within organizations using the Harmoni framework. The attack vector is particularly insidious because it requires minimal privileges to exploit and can be automated to target multiple users. The attacker need only register with a crafted username and wait for an administrator to view the logs, which could happen during routine system monitoring or incident response activities. This vulnerability directly relates to the ATT&CK technique T1566.001 which covers credential access through phishing, as the malicious code could be designed to capture credentials or establish persistence mechanisms. The impact extends beyond simple data theft to include potential privilege escalation and lateral movement within the compromised environment.
The mitigation strategy for this vulnerability involves implementing proper input validation and output encoding mechanisms throughout the application. All user-supplied data must be sanitized before being stored or displayed, particularly in contexts where the data might be rendered in web browsers. The recommended approach includes implementing Content Security Policy headers, using proper HTML encoding for dynamic content, and ensuring that all user inputs undergo thorough validation before being accepted. Additionally, application developers should implement proper logging practices that do not directly render user-supplied content without appropriate sanitization. The most effective solution is to upgrade to Harmoni version 1.4.7 or later, which contains the necessary patches to address this vulnerability. Organizations should also implement regular security testing including dynamic application security testing to identify similar issues in other components of their software stack, as this vulnerability demonstrates the importance of considering all data flows through applications, particularly those involving administrative functions and user-generated content.