CVE-2019-4285 in WebSphere Application Server
Summary
by MITRE
IBM WebSphere Application Server - Liberty Admin Center could allow a remote attacker to hijack the clicking action of the victim. By persuading a victim to visit a malicious Web site, a remote attacker could send a specially-crafted HTTP request to hijack the victim's click actions or launch other client-side browser attacks. IBM X-Force ID: 160513.
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Analysis
by VulDB Data Team • 11/14/2023
The vulnerability identified as CVE-2019-4285 affects IBM WebSphere Application Server Liberty Admin Center, representing a significant client-side attack vector that exploits user interaction patterns within web browsers. This flaw resides in the administrative interface of the Liberty profile, which is designed to provide lightweight application server functionality for deploying and managing web applications. The vulnerability specifically targets the browser-based administration console, making it particularly concerning for organizations that rely on the Liberty profile for their application server infrastructure. The attack surface extends to any user who accesses the Liberty Admin Center through a web browser, creating a potential pathway for sophisticated phishing campaigns or drive-by attacks that could compromise user sessions and system integrity.
The technical implementation of this vulnerability involves the manipulation of click hijacking mechanisms within the web interface, allowing attackers to intercept and redirect user interactions that should be directed to legitimate administrative functions. This type of attack leverages cross-site scripting principles combined with user interaction manipulation techniques, where the malicious payload can be embedded within a crafted HTTP request that appears legitimate to the victim's browser. The flaw essentially enables an attacker to inject malicious code that can capture click events and redirect them to attacker-controlled destinations, effectively allowing the attacker to perform actions on behalf of the victim without their knowledge or consent. The vulnerability operates at the client-side level, making it particularly challenging to detect through traditional network monitoring approaches as the malicious activity originates from within the victim's browser environment.
The operational impact of this vulnerability extends beyond simple session hijacking, potentially enabling more sophisticated attack vectors including privilege escalation, data manipulation, and unauthorized administrative actions within the Liberty Admin Center. Attackers could leverage this vulnerability to perform actions such as creating new users, modifying existing configurations, deploying malicious applications, or accessing sensitive administrative data. The attack requires minimal user interaction beyond visiting a malicious website, making it particularly dangerous in environments where administrators frequently access the Liberty Admin Center from potentially unsecured networks or devices. Organizations that have not implemented proper browser security controls or network segmentation may find themselves vulnerable to unauthorized access and potential system compromise. The vulnerability also undermines the principle of least privilege by potentially allowing attackers to perform administrative actions that should be restricted to authorized personnel only.
Mitigation strategies for this vulnerability should include immediate implementation of browser security controls such as content security policies, strict transport security measures, and proper input validation within the Liberty Admin Center configuration. Organizations should consider implementing network segmentation to isolate the Liberty Admin Center from general user access and ensure that administrative interfaces are only accessible through secure, authenticated channels. Regular security updates and patches should be applied promptly to address known vulnerabilities in the IBM WebSphere Application Server Liberty profile. The implementation of web application firewalls and intrusion detection systems can help identify and block malicious HTTP requests targeting the administrative interface. Additionally, user education and awareness programs should emphasize the importance of avoiding suspicious websites and implementing multi-factor authentication for administrative access to prevent exploitation of such client-side vulnerabilities. This vulnerability aligns with CWE-79 Cross-Site Scripting and ATT&CK technique T1059 Command and Scripting Interpreter, highlighting the intersection of web application security and browser-based attack vectors that require comprehensive defensive measures across multiple security domains.