CVE-2014-4827 in Qradar Security Information And Event Manager
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in IBM Security QRadar SIEM QRM 7.1 MR1 and QRM/QVM 7.2 MR2 allows remote attackers to inject arbitrary web script or HTML via a crafted URL.
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Analysis
by VulDB Data Team • 03/28/2018
The vulnerability identified as CVE-2014-4827 represents a critical cross-site scripting flaw within IBM Security QRadar SIEM QRM 7.1 MR1 and QRM/QVM 7.2 MR2 products. This weakness resides in the web application layer of the security information and event management platform, specifically affecting how the system processes and validates user input in URL parameters. The vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is classified as a common web application security flaw that enables attackers to inject malicious scripts into web pages viewed by other users. The affected IBM QRadar SIEM components are widely deployed in enterprise security operations centers where they process and analyze security events from various network sources.
The technical exploitation of this vulnerability occurs when remote attackers craft malicious URLs containing script code that gets executed in the context of other users' browsers who access these malformed links. The flaw stems from insufficient input validation and output encoding mechanisms within the QRadar web interface, allowing malicious payloads to bypass security controls and execute within the victim's browser session. Attackers can leverage this vulnerability to perform session hijacking, steal authentication tokens, redirect users to malicious sites, or execute arbitrary commands on behalf of the authenticated user. The vulnerability is particularly dangerous because it requires no privileged access to exploit and can be delivered through social engineering techniques such as phishing emails or compromised web links.
The operational impact of CVE-2014-4827 extends beyond simple script injection, as it can compromise the integrity and confidentiality of security monitoring operations within organizations using IBM QRadar SIEM. When exploited, the vulnerability can enable attackers to gain unauthorized access to security event data, potentially allowing them to hide malicious activities from detection systems or manipulate security alerts. The attack surface is significant given that QRadar SIEM is deployed across numerous enterprise environments where it serves as a central security monitoring platform. This vulnerability directly impacts the principle of least privilege and can undermine the trust model of the security infrastructure, as authenticated users may unknowingly execute malicious code when clicking on compromised links. The vulnerability also affects the system's availability through potential denial-of-service conditions if attackers craft payloads designed to crash web application components.
Organizations should implement multiple layers of mitigation strategies to address this vulnerability effectively. The primary recommendation involves applying the official IBM security patches and updates released to address the XSS flaw, which typically include enhanced input validation and proper output encoding mechanisms. Network segmentation and web application firewalls can provide additional protection by filtering suspicious URL parameters before they reach the vulnerable application components. Security monitoring should be enhanced to detect unusual patterns in URL access and script execution attempts. The vulnerability demonstrates the importance of following secure coding practices and implementing the principle of defense in depth as outlined in the NIST Cybersecurity Framework. Organizations should also consider implementing web browser security controls such as content security policies and disabling unnecessary scripting capabilities where possible to reduce the attack surface and potential impact of similar vulnerabilities in the future.