CVE-2020-4294 in QRadar
Summary
by MITRE
IBM QRadar 7.3.0 to 7.3.3 Patch 2 is vulnerable to Server Side Request Forgery (SSRF). This may allow an authenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks. IBM X-ForceID: 176404.
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Analysis
by VulDB Data Team • 06/13/2024
IBM QRadar versions 7.3.0 through 7.3.3 Patch 2 contain a critical server side request forgery vulnerability that enables authenticated attackers to bypass security controls and initiate unauthorized requests from the affected system. This vulnerability falls under the Common Weakness Enumeration category CWE-918, which specifically addresses server-side request forgery flaws where applications fail to properly validate and sanitize user-supplied input before using it in HTTP requests to external systems. The flaw exists within the QRadar platform's handling of user-provided data that is subsequently processed as part of HTTP requests to external endpoints. Attackers with valid credentials can exploit this vulnerability to perform unauthorized network reconnaissance, enumerate internal services, and potentially gain access to sensitive information or systems that would normally be protected by network segmentation.
The operational impact of this vulnerability extends beyond simple information disclosure as it creates a pathway for attackers to establish lateral movement within network environments. When an authenticated user submits malicious input that triggers the SSRF flaw, the system processes this input and makes HTTP requests to arbitrary destinations specified by the attacker. This capability allows threat actors to perform internal network scanning, access internal web services, and potentially exploit other vulnerabilities within the internal network that are not directly exposed to external traffic. The vulnerability is particularly concerning because it leverages legitimate system functionality to bypass normal network security controls, making detection more difficult and allowing attackers to remain undetected while performing reconnaissance activities.
From a threat modeling perspective, this vulnerability aligns with several techniques documented in the MITRE ATT&CK framework, particularly those related to initial access through credential compromise and privilege escalation via lateral movement. The vulnerability can be exploited as part of a broader attack chain where attackers first establish a foothold through valid credentials, then use the SSRF capability to map internal network topology and identify potential targets for further exploitation. The impact is amplified by the fact that QRadar systems often contain sensitive security information and network data that can be valuable to attackers. Organizations using these vulnerable versions of QRadar face increased risk of data breaches, network compromise, and potential regulatory violations due to the exposure of internal systems and sensitive information.
Organizations should immediately implement mitigations including applying the vendor-provided patches, implementing network segmentation to limit access to QRadar systems, and monitoring for suspicious network activity that might indicate exploitation attempts. The vulnerability demonstrates the importance of input validation and proper request handling in security-critical applications, reinforcing the need for robust application security practices and regular vulnerability assessments. Additionally, implementing web application firewalls and network monitoring solutions can help detect and prevent exploitation attempts, while regular security training for administrators can reduce the risk of credential compromise that enables this type of attack. The vulnerability also highlights the necessity of maintaining current security patches and implementing defense-in-depth strategies to protect critical security infrastructure from sophisticated attack techniques.