CVE-2018-1653 in Security Access Manager Appliance
Summary
by MITRE
IBM Security Access Manager Appliance 9.0.1.0, 9.0.2.0, 9.0.3.0, 9.0.4.0, and 9.0.5.0 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. IBM X-Force ID: 144726.
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Analysis
by VulDB Data Team • 06/19/2023
The vulnerability identified as CVE-2018-1653 affects IBM Security Access Manager Appliance versions 9.0.1.0 through 9.0.5.0, representing a critical cross-site scripting flaw that undermines the security posture of enterprise access management systems. This vulnerability resides within the web user interface of the appliance, creating an attack vector that allows malicious actors to inject arbitrary JavaScript code into the application's response. The flaw enables attackers to manipulate the intended functionality of the web interface, potentially compromising user sessions and sensitive authentication data. The vulnerability's impact is particularly concerning given that IBM Security Access Manager serves as a critical component in enterprise identity and access management infrastructure, where unauthorized access to session credentials could result in widespread security breaches across organizational networks.
The technical implementation of this cross-site scripting vulnerability stems from insufficient input validation and output encoding within the appliance's web interface components. Attackers can exploit this weakness by crafting malicious payloads that are executed within the context of a victim's browser session, leveraging the trusted relationship between the user and the application. The vulnerability specifically targets the web user interface elements where user-supplied input is not properly sanitized before being rendered back to the browser, allowing JavaScript execution within the same security context as legitimate application functionality. This weakness aligns with CWE-79, which categorizes cross-site scripting vulnerabilities as a result of inadequate input validation and output encoding practices. The flaw enables attackers to steal session cookies, credentials, and other sensitive information that may be processed within the authenticated context of the appliance's web interface.
The operational impact of this vulnerability extends beyond simple data theft, as it can facilitate more sophisticated attacks within the enterprise environment. An attacker who successfully exploits this vulnerability could potentially hijack user sessions, gain unauthorized access to administrative functions, or manipulate access control policies within the security appliance. The attack surface is particularly dangerous because the appliance operates as a central authentication and authorization point, making successful exploitation a potential gateway to broader network compromise. The vulnerability's ability to compromise trusted sessions aligns with ATT&CK technique T1566, which describes credential harvesting through phishing and social engineering attacks that leverage web application vulnerabilities. Organizations relying on this appliance for security management could experience significant operational disruption if attackers exploit this vulnerability to gain unauthorized access to critical identity and access management functions.
Mitigation strategies for this vulnerability should prioritize immediate patching of affected appliance versions, as IBM has released security updates addressing the cross-site scripting flaw. Organizations should implement additional defensive measures including web application firewalls to filter malicious input, enhanced input validation at all user interface entry points, and comprehensive monitoring of web application traffic for suspicious activity. Network segmentation and access controls should be reviewed to limit the potential impact of successful exploitation attempts, while security awareness training should be reinforced to help users recognize and report potential phishing attempts that might leverage this vulnerability. The remediation process should include thorough testing of patches in staging environments before deployment to production systems, ensuring that security updates do not introduce compatibility issues with existing security policies and configurations. Organizations should also conduct vulnerability assessments to identify other potential cross-site scripting vulnerabilities within their broader web application landscape, implementing automated security scanning tools to maintain ongoing protection against similar threats.