CVE-2020-4512 in QRadar SIEM
Summary
by MITRE
IBM QRadar SIEM 7.3 and 7.4 could allow a remote privileged user to execute commands.
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Analysis
by VulDB Data Team • 10/30/2020
IBM QRadar SIEM version 7.3 and 7.4 contain a critical command execution vulnerability that arises from insufficient input validation within the system's web interface components. This flaw allows a remote attacker with privileged access to inject and execute arbitrary commands on the underlying operating system. The vulnerability stems from improper sanitization of user-supplied input passed through web parameters, which creates a path for command injection attacks. The affected versions demonstrate a failure in implementing proper input validation mechanisms, enabling malicious command sequences to be processed and executed with elevated privileges. Security researchers identified that the vulnerability exists in the web application's handling of specific API endpoints and administrative interfaces where user input is directly incorporated into system commands without adequate filtering or escaping.
The technical exploitation of this vulnerability requires an attacker to already possess valid credentials with administrative privileges within the QRadar environment. Once authenticated, the attacker can manipulate web requests to include malicious command sequences that bypass normal input validation checks. The vulnerability aligns with CWE-77 and CWE-94, representing command injection and improper neutralization of special elements used in code, respectively. This weakness enables attackers to execute arbitrary code on the target system with the privileges of the QRadar service account. The impact extends beyond simple command execution as it can lead to full system compromise, data exfiltration, and persistence mechanisms within the network monitoring infrastructure. The flaw demonstrates a critical gap in the application's security architecture where input validation occurs at inappropriate layers of the application stack, allowing malicious payloads to traverse multiple security controls.
Operational impacts of this vulnerability are severe for organizations relying on QRadar SIEM for security monitoring and incident response. A successful exploitation could result in complete compromise of the security information and event management system, potentially allowing attackers to manipulate security logs, disable monitoring capabilities, or establish backdoors for continued access. The vulnerability affects the integrity and availability of security operations within affected organizations, as attackers could modify or delete critical security events and logs that are essential for forensic analysis and compliance reporting. Organizations may face significant regulatory and compliance implications if this vulnerability is exploited, particularly in environments subject to security standards such as pci dss, hipaa, or soc 2 requirements. The attack surface is particularly concerning because QRadar systems often serve as central points for security monitoring across enterprise networks, making successful exploitation a high-value target for threat actors seeking persistent access to critical infrastructure.
Organizations should implement immediate mitigations including applying the vendor-provided security patches and updates for QRadar SIEM versions 7.3 and 7.4. Network segmentation and access control measures should be strengthened to limit administrative access to the QRadar system and implement principle of least privilege. Security monitoring should be enhanced to detect anomalous command execution patterns and unusual administrative activities within the QRadar environment. Regular security assessments and vulnerability scanning should be conducted to identify similar input validation weaknesses in other components of the security infrastructure. The vulnerability demonstrates the importance of implementing defense-in-depth strategies and continuous security monitoring to detect and prevent exploitation attempts. Organizations should also consider implementing web application firewalls and additional input validation controls at network boundaries to provide additional layers of protection against command injection attacks. The incident highlights the critical need for regular security updates and proactive vulnerability management programs to address emerging threats in security infrastructure components.