CVE-2024-45071 Overview
IBM WebSphere Application Server versions 8.5 and 9.0 contain a stored cross-site scripting (XSS) vulnerability that enables privileged users to inject arbitrary JavaScript code into the Web UI. This vulnerability can alter the intended functionality of the application and potentially lead to credential disclosure within trusted sessions.
Critical Impact
A privileged attacker can embed malicious JavaScript code that persists in the Web UI, potentially compromising administrator credentials and hijacking trusted sessions.
Affected Products
- IBM WebSphere Application Server 8.5
- IBM WebSphere Application Server 9.0
- Deployments on HP-UX, IBM AIX, IBM i, IBM z/OS, Linux, Microsoft Windows, and Oracle Solaris
Discovery Timeline
- October 16, 2024 - CVE-2024-45071 published to NVD
- October 21, 2024 - Last updated in NVD database
Technical Details for CVE-2024-45071
Vulnerability Analysis
This stored cross-site scripting vulnerability (CWE-79) in IBM WebSphere Application Server allows privileged users to inject malicious JavaScript code that persists within the administrative Web UI. Unlike reflected XSS attacks that require user interaction with a crafted URL, stored XSS embeds the malicious payload directly in the application's data store, making it more dangerous as it affects all users who access the compromised page.
The vulnerability requires high privileges to exploit (administrative access), but the impact extends beyond the attacker's session. Once the malicious script is stored, it executes in the context of any user viewing the affected page, potentially including other administrators. This can lead to session hijacking, credential theft, and unauthorized actions performed on behalf of legitimate users.
Root Cause
The root cause of this vulnerability lies in improper input validation and output encoding within the WebSphere Application Server Web UI. User-supplied input from privileged accounts is not adequately sanitized before being stored and subsequently rendered in the browser context. This allows HTML and JavaScript content to be treated as executable code rather than plain text.
Attack Vector
The attack leverages network-based access to the WebSphere Application Server administrative console. An attacker with administrative privileges can inject malicious JavaScript through input fields or configuration options that are stored by the application. When other users (including administrators) view the affected content, the malicious script executes in their browser within the trusted session context.
The attack typically follows this pattern: an attacker with elevated privileges accesses a vulnerable input field in the WebSphere administrative console, injects JavaScript code designed to capture session tokens or credentials, and waits for other administrators to view the compromised page. The stored payload then executes, potentially sending session data to an attacker-controlled server or performing unauthorized administrative actions.
Detection Methods for CVE-2024-45071
Indicators of Compromise
- Unusual JavaScript content stored in WebSphere configuration data or application parameters
- HTTP requests from the administrative console to unexpected external domains
- Suspicious modifications to administrative interface elements or configurations
- Session tokens or credentials being transmitted to unauthorized endpoints
Detection Strategies
- Monitor WebSphere administrative console access logs for unusual input patterns containing script tags or JavaScript event handlers
- Implement Content Security Policy (CSP) headers to detect and block inline script execution attempts
- Review stored configuration data for HTML entities or encoded JavaScript payloads
- Deploy web application firewall (WAF) rules to detect XSS payload patterns in administrative traffic
Monitoring Recommendations
- Enable detailed audit logging for all WebSphere administrative console activities
- Monitor for changes to stored configuration values that contain HTML or script elements
- Implement real-time alerting on CSP violation reports from administrative interfaces
- Regularly audit privileged user activities within the WebSphere management console
How to Mitigate CVE-2024-45071
Immediate Actions Required
- Apply the security patch provided by IBM as documented in the IBM Support Page
- Review administrative user accounts and limit privileges to only those required for operational tasks
- Audit WebSphere configurations for any previously injected malicious content
- Implement additional access controls and monitoring for the administrative console
Patch Information
IBM has released security updates to address this vulnerability. Administrators should consult the official IBM Support Page for detailed patching instructions, affected version information, and specific fix packs applicable to their deployment environment.
Workarounds
- Restrict administrative console access to trusted network segments and implement IP-based access controls
- Enable and configure Content Security Policy headers to prevent inline script execution
- Implement additional authentication factors for administrative access to reduce risk of compromised credentials
- Deploy a web application firewall with XSS detection rules in front of the WebSphere administrative interface
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
