CVE-2018-1732 in QRadar SIEM
Summary
by MITRE
IBM QRadar SIEM 1.14.0 discloses sensitive information to unauthorized users. The information can be used to mount further attacks on the system. IBM X-Force ID: 147810.
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Analysis
by VulDB Data Team • 06/13/2023
The vulnerability identified as CVE-2018-1732 affects IBM QRadar SIEM version 1.14.0 and represents a critical information disclosure flaw that exposes sensitive system data to unauthorized users. This vulnerability falls under the broader category of insecure data handling practices and can be classified as CWE-200, which specifically addresses the exposure of sensitive information to unintended actors. The flaw exists within the system's access control mechanisms, allowing malicious actors to gain unauthorized visibility into system components that should remain protected. The vulnerability is particularly concerning because it provides attackers with information that can serve as a foundation for subsequent attacks on the system infrastructure.
The technical implementation of this vulnerability stems from inadequate authorization checks within the QRadar SIEM platform's data access controls. When legitimate users attempt to access system resources, the platform fails to properly validate access permissions, resulting in the exposure of sensitive configuration data, user credentials, and system metadata. This information disclosure occurs through API endpoints or web interfaces that do not adequately enforce role-based access controls. The flaw essentially allows attackers to bypass normal access restrictions and retrieve data that should be restricted to authorized administrators or security personnel. The vulnerability can be exploited through various attack vectors including web browser manipulation or automated tools that can query system endpoints without proper authentication.
The operational impact of this vulnerability extends beyond simple information exposure, creating a significant risk landscape for organizations utilizing the affected QRadar SIEM version. Attackers who successfully exploit this flaw can obtain detailed system information including user account details, system configuration parameters, and potentially administrative credentials that could enable full system compromise. This information disclosure creates opportunities for privilege escalation attacks, credential theft, and further exploitation of the security infrastructure. The vulnerability directly impacts the integrity and confidentiality of the SIEM system, undermining the organization's ability to effectively monitor and protect its network infrastructure from malicious activities. Organizations may face regulatory compliance issues and potential security breaches when this vulnerability is exploited in real-world scenarios.
Organizations should immediately implement mitigations that include applying the latest security patches provided by IBM to address this vulnerability. The patch release for CVE-2018-1732 specifically targets the authorization flaws in the QRadar SIEM platform's access control mechanisms. Additionally, network segmentation should be implemented to limit access to the QRadar system to authorized personnel only, reducing the attack surface for potential exploitation. Security monitoring should be enhanced to detect unusual access patterns or attempts to query system information that may indicate exploitation of this vulnerability. Organizations should also review and enforce strict access control policies, ensuring that only authorized administrators have access to sensitive system components. The mitigation strategy should align with ATT&CK framework tactics such as TA0006 Credential Access and TA0005 Defense Evasion, as the vulnerability enables both unauthorized credential access and potential evasion of security controls through information gathering. Regular security assessments and vulnerability scanning should be conducted to identify similar weaknesses in other system components that may provide similar attack vectors for information disclosure.