CVE-2019-4672 in QRadar Advisor
Summary
by MITRE
IBM QRadar Advisor 1.1 through 2.5 could allow an unauthorized attacker to obtain sensitive information from specially crafted HTTP requests that could aid in further attacks against the system. IBM X-Force ID: 171438.
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Analysis
by VulDB Data Team • 04/02/2024
IBM QRadar Advisor version 1.1 through 2.5 contains a vulnerability that enables unauthorized attackers to extract sensitive information through carefully crafted HTTP requests, potentially facilitating subsequent attacks on the system. This flaw represents a classic information disclosure vulnerability that could significantly compromise the security posture of affected environments. The vulnerability stems from inadequate input validation and sanitization within the HTTP request processing pipeline of the QRadar Advisor component. Attackers can exploit this weakness by sending specially crafted requests that bypass normal access controls and reveal internal system information, configuration details, or sensitive data that should remain protected. The vulnerability aligns with CWE-200, which specifically addresses improper information exposure, and demonstrates how insufficient request validation can lead to unauthorized data access. From an operational perspective, this vulnerability poses a substantial risk as it can provide attackers with critical intelligence about the target system architecture, potentially revealing system paths, internal configurations, or other sensitive metadata that would otherwise remain hidden. The impact extends beyond simple information disclosure, as the leaked information could enable more sophisticated attacks such as privilege escalation, lateral movement, or targeted exploitation of other system components. The attack vector is particularly concerning because it leverages standard HTTP protocols, making it difficult to detect through conventional network monitoring techniques. This vulnerability also maps to ATT&CK technique T1083 (File and Directory Discovery) and T1069 (Permission Groups Discovery) as it allows attackers to gather information about system resources and access controls that would typically be restricted to authorized users only. The affected IBM QRadar Advisor versions represent a significant attack surface since these components are often deployed in enterprise security environments where sensitive threat intelligence and security data are processed and stored. Organizations running these vulnerable versions face increased risk of advanced persistent threats that could leverage the disclosed information to craft more effective attacks against their security infrastructure. The vulnerability's exploitation requires minimal technical skill and can be automated, making it particularly dangerous for organizations with inadequate monitoring or detection capabilities. IBM has addressed this issue in subsequent releases through improved input validation and enhanced access control mechanisms that prevent unauthorized information disclosure through HTTP request processing. Organizations should prioritize patching affected systems and implementing network segmentation to limit the potential impact of such vulnerabilities. Security teams should also enhance their monitoring capabilities to detect anomalous HTTP request patterns that might indicate exploitation attempts. The incident underscores the importance of secure coding practices and proper input validation in security applications, particularly those handling sensitive threat intelligence data. This vulnerability demonstrates how seemingly simple information disclosure flaws can have cascading effects on overall system security, emphasizing the need for comprehensive security testing and continuous vulnerability assessment programs.