CVE-2019-4593 in QRadar
Summary
by MITRE
IBM QRadar 7.3.0 to 7.3.3 Patch 2 generates an error message that includes sensitive information that could be used in further attacks against the system. IBM X-ForceID: 167743.
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Analysis
by VulDB Data Team • 05/26/2024
IBM QRadar versions 7.3.0 through 7.3.3 Patch 2 contain a vulnerability that exposes sensitive information through error messages generated by the system. This flaw represents a classic information disclosure vulnerability that violates security best practices and provides attackers with valuable reconnaissance data. The vulnerability stems from improper error handling mechanisms within the QRadar platform where system-generated error messages inadvertently include internal system details, configuration information, or other sensitive data that should remain hidden from unauthorized users. This type of vulnerability maps directly to CWE-209, which specifically addresses the exposure of error messages containing sensitive information, and aligns with ATT&CK technique T1211 where adversaries exploit information disclosure to gather system intelligence. The impact of this vulnerability extends beyond simple information leakage as it provides attackers with detailed insights into the underlying system architecture, potentially revealing version numbers, system paths, database configurations, or other operational details that could be leveraged in subsequent attack phases. Attackers could use this information to craft more sophisticated attacks, identify specific system weaknesses, or develop targeted exploitation strategies against known vulnerabilities in the exposed components. The vulnerability affects the authentication and authorization mechanisms within QRadar, potentially enabling credential stuffing attacks or other exploitation techniques that rely on understanding the system's internal workings. Organizations using these vulnerable versions face increased risk of targeted attacks where the exposed information serves as a foundation for more advanced compromise techniques. The vulnerability exists in the error handling subsystem of the QRadar platform, where system-generated messages are not properly sanitized before being displayed to users or logged in system records. This represents a failure in input validation and output sanitization processes that should prevent sensitive data from being exposed through any system interface. The security implications are particularly severe because QRadar serves as a security information and event management platform where such information disclosure could compromise the entire security monitoring infrastructure. The vulnerability demonstrates poor security hygiene in the software development lifecycle where proper error handling protocols were not implemented to ensure that sensitive information remains protected during system error conditions. Organizations should immediately implement mitigations including patching to the latest available versions, implementing proper error handling mechanisms, and conducting security reviews to ensure that no other system components exhibit similar behavior. Additionally, system administrators should monitor error logs for patterns that might indicate exploitation attempts and implement network segmentation to limit access to sensitive system components. The vulnerability underscores the importance of following security standards such as those outlined in the OWASP Top Ten and NIST cybersecurity frameworks where proper error handling and information protection are fundamental requirements for secure system design. This incident highlights the critical need for comprehensive security testing that includes validation of error handling mechanisms and ensures that system responses do not inadvertently expose sensitive operational information. Organizations should also consider implementing automated monitoring solutions that can detect and alert on suspicious error message patterns that might indicate exploitation attempts or reconnaissance activities targeting their QRadar environments. The remediation process should include not only applying the vendor patch but also conducting thorough security assessments to identify any other potential information disclosure vulnerabilities within the broader system architecture that could be exploited by adversaries seeking to gather intelligence for future attacks.