CVE-2013-4414 in Enterprise MRG
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in the web interface for cumin in Red Hat Enterprise MRG Grid 2.4 allows remote attackers to inject arbitrary web script or HTML via the "Max allowance" field in the "Set limit" form.
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Analysis
by VulDB Data Team • 01/18/2022
The vulnerability identified as CVE-2013-4414 represents a critical cross-site scripting flaw within the Red Hat Enterprise MRG Grid 2.4 management interface, specifically affecting the cumin web application component. This vulnerability resides in the input validation mechanisms of the web interface, where user-supplied data is not properly sanitized before being rendered back to the browser. The affected parameter is the "Max allowance" field within the "Set limit" form, which serves as the primary injection vector for malicious script execution. The flaw demonstrates a classic XSS vulnerability pattern where unfiltered user input is directly embedded into web responses without appropriate encoding or sanitization measures.
The technical exploitation of this vulnerability occurs when a remote attacker submits malicious input containing script code into the "Max allowance" field. When the web application processes this input and displays it within the user interface without proper HTML escaping or encoding, the injected script executes within the context of other users' browsers who view the affected page. This creates a persistent XSS scenario where the malicious code can manipulate the victim's browser session, steal cookies, redirect users to malicious sites, or perform actions on behalf of authenticated users. The vulnerability specifically aligns with CWE-79, which defines the standard for cross-site scripting flaws, and represents a server-side input validation failure that allows malicious payloads to persist in the application's data handling processes.
The operational impact of CVE-2013-4414 extends beyond simple script injection, as it compromises the integrity and confidentiality of the MRG Grid management interface. Attackers can leverage this vulnerability to escalate privileges, access sensitive administrative functions, or exfiltrate data from the grid management system. The compromised environment affects all users who interact with the cumin web interface, potentially allowing attackers to gain unauthorized access to the entire grid management infrastructure. This vulnerability particularly impacts organizations relying on Red Hat Enterprise MRG Grid for mission-critical messaging and queuing services, as the compromised management interface could lead to service disruption or unauthorized modifications to message routing policies.
Mitigation strategies for this vulnerability should implement comprehensive input validation and output encoding measures across all user-facing web forms within the cumin interface. Organizations must deploy proper HTML escaping mechanisms to prevent script execution in all dynamic content generation processes, particularly focusing on the specific "Max allowance" field and similar input parameters. The recommended approach includes implementing Content Security Policy headers to restrict script execution contexts, deploying web application firewalls to detect and block malicious payloads, and conducting regular security testing to identify similar input validation gaps. Additionally, the vulnerability aligns with ATT&CK technique T1059.007 for command and scripting interpreter, where attackers can leverage XSS to execute malicious scripts within the browser environment. System administrators should also implement proper patch management procedures to ensure timely deployment of vendor security updates and consider network segmentation to limit the potential impact of successful exploitation attempts.