CVE-2020-4274 in QRadar
Summary
by MITRE
IBM QRadar 7.3.0 to 7.3.3 Patch 2 could allow an authenticated user to access data and perform unauthorized actions due to inadequate permission checks. IBM X-ForceID: 175980.
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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 authorization flaw that enables authenticated users to bypass permission controls and access sensitive data or perform unauthorized operations. This vulnerability stems from insufficient validation of user permissions within the application's access control mechanisms, allowing malicious actors with legitimate credentials to escalate their privileges and access resources they should not be authorized to view or modify. The flaw exists in the permission checking logic that fails to properly verify user roles and access levels before granting access to system components or data repositories.
The technical implementation of this vulnerability involves a failure in the application's authorization framework where user sessions are not adequately validated against proper access control policies. When an authenticated user attempts to access certain system resources, the application does not perform sufficient checks to ensure that the user has the appropriate permissions based on their assigned roles and privileges. This weakness creates a path for privilege escalation where users can manipulate access requests to gain unauthorized access to restricted data sets, configuration settings, or administrative functions. The vulnerability aligns with CWE-285, which addresses improper authorization issues in software systems, and represents a classic case of insufficient access control validation.
The operational impact of this vulnerability is significant as it allows attackers to potentially access sensitive security data, including logs, threat intelligence, and system configuration information that could be used for further attacks or to compromise the overall security posture. An authenticated user could exploit this flaw to access data from other users or system components, potentially leading to data breaches, unauthorized system modifications, or the ability to manipulate security policies. The vulnerability also enables attackers to perform administrative actions that could disrupt system operations or establish persistent access points within the environment. This represents a critical risk to organizations relying on QRadar for security monitoring and incident response operations.
Organizations should immediately apply the available patches from IBM to address this vulnerability and ensure that proper access controls are maintained within their QRadar environments. System administrators should conduct thorough access control reviews and implement additional monitoring to detect unauthorized access attempts. The remediation process should include verification that all user roles and permissions are properly configured and that the patched version maintains appropriate access control boundaries. Security teams should also implement network segmentation and monitoring controls to detect potential exploitation attempts and establish incident response procedures for handling potential unauthorized access scenarios. This vulnerability demonstrates the importance of maintaining proper authorization controls and regularly updating security systems to prevent privilege escalation attacks that could compromise entire security infrastructures.