CVE-2017-1733 in QRadar
Summary
by MITRE
IBM QRadar 7.3 stores potentially sensitive information in log files that could be read by a local user. IBM X-Force ID: 134914.
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Analysis
by VulDB Data Team • 02/26/2023
IBM QRadar version 7.3 contains a security vulnerability that allows local users to access potentially sensitive information stored in log files, creating a significant risk for organizations relying on this security information platform. This vulnerability stems from improper handling of sensitive data within the logging mechanisms of the system, where confidential information may be written to log files with insufficient access controls or encryption. The flaw represents a classic case of insecure logging practices that can expose system internals, user credentials, or other privileged information to unauthorized local access.
The technical implementation of this vulnerability involves the application of insufficient access controls on log file directories and their contents, allowing local users to read files that contain sensitive operational data. This type of flaw typically occurs when system components write sensitive information such as authentication tokens, system configuration details, or operational parameters to persistent storage without proper file permissions or encryption mechanisms. The vulnerability affects the principle of least privilege by enabling unauthorized local access to information that should remain protected. From a cybersecurity perspective, this issue aligns with CWE-532 which describes "Information Exposure Through Log Files" and represents a clear violation of data protection principles.
The operational impact of this vulnerability extends beyond simple information disclosure, as local users who can access these log files may gain insights into system architecture, operational procedures, and potentially sensitive business data. An attacker with local access could exploit this vulnerability to gather intelligence about the QRadar environment, identify system weaknesses, or extract information that could aid in further attacks. The risk is particularly significant in multi-tenant environments or regulated industries where log file contents may contain personally identifiable information or other sensitive data subject to compliance requirements. This vulnerability directly impacts the confidentiality aspect of the CIA triad and can enable lateral movement within compromised systems.
Organizations should implement immediate mitigations including restricting file permissions on log directories, implementing proper log file access controls, and establishing regular monitoring for unauthorized access attempts. System administrators should review and tighten access controls on log file locations, ensuring that only authorized personnel have access to sensitive logging information. The implementation of log file encryption and regular audit procedures can help detect unauthorized access attempts. Additionally, organizations should consider implementing monitoring solutions that can detect unusual access patterns to log files and alert security teams to potential exploitation attempts. This vulnerability demonstrates the importance of proper information handling and access control mechanisms as outlined in the NIST Cybersecurity Framework and aligns with ATT&CK technique T1070.001 for indicator removal and T1005 for data from local system. Regular security assessments and log file reviews should be conducted to ensure that sensitive information is properly protected and that access controls remain effective against unauthorized access attempts.