CVE-2016-3018 in Security Access Manager For Web
Summary
by MITRE
IBM Security Access Manager for Web is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.
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Analysis
by VulDB Data Team • 11/11/2022
IBM Security Access Manager for Web contains a cross-site scripting vulnerability that represents a critical security risk for organizations relying on this web-based access control system. The flaw exists within the web user interface where user input is not properly sanitized before being rendered back to the browser, creating an opening for malicious actors to inject malicious javascript code. This vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is a well-documented weakness in web applications where unvalidated input is directly embedded into web pages without proper encoding or validation.
The technical implementation of this vulnerability allows attackers to craft malicious payloads that can be executed within the context of a victim's browser session when they interact with the vulnerable web interface. When legitimate users view pages containing the malicious script, the injected javascript code executes with the privileges of the authenticated user, potentially enabling attackers to steal session cookies, capture credentials, or perform actions on behalf of the user. The attack typically involves embedding malicious javascript within parameters or input fields that are reflected back to the user without proper sanitization, making this a reflected XSS vulnerability according to the ATT&CK framework's technique T1531.
The operational impact of this vulnerability extends beyond simple data theft, as it can lead to complete session hijacking and unauthorized access to protected resources. Attackers can leverage this vulnerability to establish persistent access to the web application, potentially compromising the entire security infrastructure managed by IBM Security Access Manager for Web. The vulnerability is particularly dangerous because it operates within a trusted session environment, meaning that the malicious code executes with the same privileges as legitimate users, making detection more challenging. Organizations may experience unauthorized access to sensitive data, disruption of access control services, and potential compromise of the broader network infrastructure that relies on this security manager for authentication and authorization.
Mitigation strategies should focus on implementing comprehensive input validation and output encoding mechanisms throughout the web application. Organizations should deploy web application firewalls that can detect and block malicious script payloads, ensure proper content security policy headers are implemented, and regularly update the IBM Security Access Manager for Web to the latest patched versions. The vulnerability requires immediate attention as it represents a high-severity risk that can be exploited through simple web browser interactions, making it a prime target for automated exploitation tools that scan for common XSS patterns. Regular security testing including dynamic application security testing and manual penetration testing should be conducted to identify and remediate similar vulnerabilities in the broader application ecosystem.