CVE-2016-9720 in QRadar
Summary
by MITRE
IBM QRadar 7.2 discloses sensitive information to unauthorized users. The information can be used to mount further attacks on the system. IBM Reference #: 1999533.
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Analysis
by VulDB Data Team • 09/04/2020
The vulnerability identified as CVE-2016-9720 affects IBM QRadar version 7.2, a comprehensive security information and event management platform widely deployed in enterprise environments for threat detection and security monitoring. This issue represents a critical information disclosure flaw that undermines the system's fundamental security posture by allowing unauthorized users to access sensitive data that should remain protected within the system's privileged boundaries. The vulnerability stems from inadequate access controls and insufficient input validation mechanisms within the QRadar application framework, creating pathways for malicious actors to bypass normal authentication and authorization checks. Security researchers have classified this as a privilege escalation vulnerability that directly violates the principle of least privilege, which is a core tenet of secure system design and a key requirement outlined in the CWE-284 category for improper access control.
The technical implementation of this vulnerability manifests through specific API endpoints and administrative interfaces within QRadar that fail to properly validate user credentials or enforce role-based access controls. Attackers can exploit this weakness by crafting specially formatted requests that circumvent the normal authentication flow, potentially gaining access to sensitive system information including user credentials, configuration data, system logs, and other confidential operational details. The flaw operates at the application layer and can be leveraged to escalate privileges from standard user accounts to administrative levels, depending on the specific implementation details. This type of vulnerability is particularly dangerous because it can be exploited remotely without requiring prior authentication, making it highly attractive to threat actors seeking to establish persistent access to critical security infrastructure. The underlying mechanism often involves improper session management or insufficient validation of request parameters, creating a direct pathway for unauthorized data access that aligns with ATT&CK technique T1078 for Valid Accounts and T1566 for Phishing.
The operational impact of CVE-2016-9720 extends far beyond simple data exposure, as the sensitive information disclosed can serve as a foundation for more sophisticated attacks within the target environment. Once attackers gain access to QRadar's internal data, they can map the network topology, identify critical assets, and understand the security controls in place, effectively providing them with a detailed blueprint for further exploitation. The compromised system becomes a potential launch point for lateral movement attacks, credential theft operations, and advanced persistent threat campaigns. Organizations may experience significant regulatory and compliance implications, as this vulnerability could result in violations of data protection regulations such as GDPR, HIPAA, or PCI-DSS requirements. The disclosure of sensitive information can also lead to reputational damage, financial losses, and increased operational costs associated with incident response, forensic analysis, and system remediation efforts.
Organizations should implement immediate mitigations including applying the vendor-provided security patches and updates released by IBM to address this vulnerability. Network segmentation and enhanced monitoring of QRadar access patterns can help detect and prevent exploitation attempts. Security teams should also review and strengthen access controls, implement proper input validation measures, and conduct comprehensive vulnerability assessments to identify similar weaknesses in other system components. The remediation process should include disabling unnecessary administrative interfaces, enforcing strong authentication mechanisms, and implementing network-based controls to restrict access to QRadar systems. Additionally, organizations should perform regular security audits and penetration testing to ensure that similar vulnerabilities are not present in other critical systems, as this type of information disclosure vulnerability often indicates broader architectural security weaknesses that require comprehensive security architecture reviews and adherence to established security frameworks such as those defined in NIST SP 800-53 and ISO 27001 standards.