CVE-2015-1497 in Radia Client Automation
Summary
by MITRE
radexecd.exe in Persistent Systems Radia Client Automation (RCA) 7.9, 8.1, 9.0, and 9.1 allows remote attackers to execute arbitrary commands via a crafted request to TCP port 3465.
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Analysis
by VulDB Data Team • 11/30/2024
The vulnerability identified as CVE-2015-1497 affects radexecd.exe, a component within Persistent Systems Radia Client Automation (RCA) versions 7.9, 8.1, 9.0, and 9.1. This represents a critical remote code execution flaw that enables attackers to execute arbitrary commands on affected systems through unauthenticated network access. The vulnerability specifically targets TCP port 3465, which serves as the primary communication channel for the radexecd service. The flaw stems from inadequate input validation and sanitization within the command processing mechanism of the RCA client automation framework, creating a pathway for malicious actors to inject and execute arbitrary code on vulnerable systems.
The technical implementation of this vulnerability involves the radexecd.exe service failing to properly validate incoming requests on port 3465. When crafted malicious requests are sent to this port, the service processes these inputs without sufficient sanitization measures, allowing attackers to manipulate the command execution flow. This type of vulnerability falls under CWE-77 and CWE-94 categories, representing command injection flaws that permit arbitrary code execution. The attack vector is particularly dangerous as it requires no authentication, making it accessible to any remote attacker who can reach the target system on the specified port. The service's failure to properly validate or sanitize input parameters creates a direct pathway for command injection attacks, where attacker-controlled commands can be executed with the privileges of the radexecd service account.
The operational impact of this vulnerability extends beyond simple remote code execution, as it provides attackers with persistent access to affected systems within the Radia Client Automation environment. Successful exploitation can lead to complete system compromise, allowing attackers to establish backdoors, escalate privileges, and potentially move laterally within the network infrastructure. Organizations utilizing RCA versions 7.9, 8.1, 9.0, and 9.1 face significant risk exposure, as the vulnerability affects core automation functionality that typically operates with elevated privileges. The attack surface is particularly concerning given that RCA systems often manage critical client infrastructure, making this vulnerability a prime target for attackers seeking persistent access to enterprise networks. This flaw directly maps to ATT&CK technique T1059.001 for command and scripting interpreter, and T1078.004 for valid accounts, as exploitation can occur without authentication and may allow for privilege escalation.
Mitigation strategies for CVE-2015-1497 should focus on immediate network segmentation and access control measures to restrict access to TCP port 3465. Organizations should implement firewall rules to block external access to this port while maintaining internal connectivity for legitimate automation purposes. The most effective long-term solution involves upgrading to patched versions of Persistent Systems Radia Client Automation, as the vulnerability has been addressed in subsequent releases. Additionally, network monitoring should be enhanced to detect anomalous traffic patterns on port 3465, and system administrators should conduct thorough security audits of their RCA implementations. The vulnerability demonstrates the importance of proper input validation and the principle of least privilege in service design, as the radexecd service should operate with minimal required permissions to reduce potential impact from such flaws. Organizations should also consider implementing intrusion detection systems to monitor for exploitation attempts and maintain comprehensive incident response procedures for potential compromise scenarios.