CVE-2015-2007 in Security QRadar SIEM
Summary
by MITRE
Directory traversal vulnerability in IBM Security QRadar SIEM 7.2.x before 7.2.5 Patch 6 allows remote authenticated users to read arbitrary files via a crafted URL.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 05/26/2018
The vulnerability identified as CVE-2015-2007 represents a critical directory traversal flaw within IBM Security QRadar SIEM version 7.2.x prior to 7.2.5 Patch 6. This vulnerability resides in the web application layer of the security information and event management platform, which serves as a central hub for monitoring and analyzing security events across enterprise networks. The flaw specifically affects the application's handling of user-supplied input in URL parameters, creating an avenue for malicious actors to bypass normal access controls and gain unauthorized access to sensitive system files.
The technical implementation of this vulnerability stems from inadequate input validation and sanitization within the QRadar web interface. When authenticated users submit crafted URLs containing directory traversal sequences such as ../ or ..\, the application fails to properly validate these inputs before processing file requests. This weakness allows attackers to manipulate the file system path resolution mechanism, enabling them to navigate beyond the intended directory boundaries and access files that should remain restricted. The vulnerability operates at the application layer and leverages the principle of insufficient input sanitization as defined by CWE-22, which specifically addresses directory traversal attacks.
From an operational perspective, this vulnerability poses significant risks to enterprise security infrastructure. Remote authenticated attackers who can establish a valid session within the QRadar system can exploit this weakness to access sensitive configuration files, log data, and potentially system credentials stored on the server. The impact extends beyond simple data theft as attackers could potentially discover system architecture details, extract database connection strings, or access other sensitive information that could facilitate further attacks. This vulnerability directly violates the principle of least privilege and can lead to complete system compromise when combined with other attack vectors.
The exploitation of this vulnerability aligns with several tactics outlined in the MITRE ATT&CK framework, particularly those related to privilege escalation and credential access. Attackers can leverage this flaw as an initial access point to gather intelligence about the system configuration and potentially escalate privileges within the QRadar environment. The vulnerability also supports lateral movement techniques as compromised systems could be used to access other network resources. Organizations implementing proper patch management and network segmentation can significantly reduce the risk associated with this vulnerability, while the lack of proper input validation represents a fundamental architectural weakness that should be addressed through comprehensive security hardening measures.
Organizations should prioritize immediate remediation through the application of IBM Security QRadar 7.2.5 Patch 6, which specifically addresses this directory traversal vulnerability. Additional mitigations include implementing web application firewalls to monitor and filter suspicious URL patterns, enforcing strict access controls and authentication mechanisms, and conducting regular security assessments of the SIEM environment. The vulnerability demonstrates the critical importance of input validation in web applications and serves as a reminder that even authenticated access can be exploited when proper security controls are not implemented. Security teams should also consider implementing monitoring solutions that can detect unusual file access patterns or attempts to traverse directory structures, as these activities often precede more serious security incidents.