CVE-2019-4470 in QRadar
Summary
by MITRE
IBM QRadar 7.3.0 to 7.3.2 Patch 4 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: 163779.
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Analysis
by VulDB Data Team • 02/11/2024
IBM QRadar version 7.3.0 through 7.3.2 Patch 4 contains a cross-site scripting vulnerability that represents a critical security weakness in the web-based user interface. This vulnerability falls under the CWE-79 category of Cross-Site Scripting and enables attackers to inject malicious JavaScript code into the application's web interface. The flaw exists in how the system processes user input within web UI elements, creating an opportunity for attackers to manipulate the intended behavior of the application.
The technical implementation of this vulnerability allows an attacker to embed arbitrary JavaScript code that executes within the context of a victim's browser session. When a user interacts with the affected QRadar interface, the malicious script can be triggered and executed, potentially compromising the integrity of the application's functionality. The attack vector typically involves injecting malicious payloads through input fields or parameters that are not properly sanitized or validated by the system's input processing mechanisms. This creates a persistent threat where the injected code can execute every time the affected page is loaded or interacted with.
The operational impact of this vulnerability is significant as it can lead to credential disclosure within a trusted session. Attackers can leverage the XSS flaw to steal session cookies, capture user credentials, or perform actions on behalf of authenticated users. This represents a severe threat to the security posture of organizations relying on QRadar for security information and event management. The vulnerability essentially allows attackers to establish a foothold within the network monitoring environment where they can access sensitive security data and potentially escalate privileges. The Trusted Session Compromise (TSC) aspect of this vulnerability means that attackers can exploit the trust relationship between the user and the application to gain unauthorized access to protected resources.
Organizations should implement immediate mitigations including input validation and output encoding to prevent malicious script injection. The recommended approach involves implementing proper sanitization of all user inputs and ensuring that all output displayed in the web interface is properly encoded to prevent script execution. Security controls should include content security policies that restrict script execution and implement proper session management practices. Organizations should also consider implementing web application firewalls to detect and block malicious payloads attempting to exploit this vulnerability. The mitigation strategy aligns with ATT&CK technique T1059.007 for Scripting and T1566.001 for Phishing, as attackers often use XSS vulnerabilities to establish initial access and maintain persistence within the environment. Regular security updates and patch management procedures should be enforced to ensure all systems remain protected against known vulnerabilities, with particular attention to the specific QRadar patch versions that address this issue.