CVE-2019-4454 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: 163618.
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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 Common Weakness Enumeration category CWE-79 which specifically addresses cross-site scripting flaws where web applications fail to properly validate or escape user-supplied input before incorporating it into dynamic web content. The flaw exists in the web application layer where user-provided data is not adequately sanitized before being rendered back to the browser, creating an environment where malicious actors can inject malicious JavaScript code.
The operational impact of this vulnerability is significant as it allows attackers to execute arbitrary JavaScript code within the context of a victim's browser session. When a user interacts with the vulnerable QRadar interface, an attacker can craft malicious input that gets stored and subsequently executed in the web browser of legitimate users. This creates a persistent threat vector where session hijacking becomes possible, potentially enabling unauthorized access to sensitive data and credentials. The vulnerability specifically targets the trusted session environment, meaning that once an attacker successfully injects malicious code, they can exploit the established trust relationship between the user and the application to extract authentication tokens or other sensitive session information.
The exploitation of this vulnerability requires minimal privileges as attackers only need to be able to submit data through the web interface, which is typically available to authenticated users. This makes the attack surface particularly concerning since it leverages legitimate user access to execute malicious code. The IBM X-Force ID 163618 indicates this vulnerability was actively tracked and recognized as a significant threat by IBM's security research team. The attack pattern aligns with the MITRE ATT&CK framework under the technique T1059.007 for command and control using JavaScript, where attackers can establish persistent access through browser-based payloads. The vulnerability affects the web application's input validation mechanisms and represents a failure to implement proper output encoding and content security policies.
Organizations utilizing IBM QRadar within this affected version range should immediately implement mitigations including applying the latest available patches from IBM, implementing web application firewalls to detect and block malicious payloads, and enforcing strict input validation at the application level. Additional protective measures include implementing content security policies to prevent script execution, conducting regular security assessments of the web interface, and monitoring for suspicious user activities that might indicate exploitation attempts. The vulnerability demonstrates the critical importance of maintaining up-to-date security patches and proper input validation in enterprise security platforms where the compromise of user sessions can lead to significant data breaches and unauthorized access to critical network monitoring capabilities.