CVE-2012-0262 in Monitor
Summary
by MITRE
op5config/welcome in system-op5config before 2.0.3 in op5 Monitor and op5 Appliance before 5.5.3 allows remote attackers to execute arbitrary commands via shell metacharacters in the password parameter.
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Analysis
by VulDB Data Team • 12/09/2024
The vulnerability identified as CVE-2012-0262 represents a critical command injection flaw within the op5 monitoring platform's configuration interface. This issue affects the op5config/welcome component in system-op5config versions prior to 2.0.3 and the op5 Appliance versions before 5.5.3, creating a significant security risk for organizations relying on these monitoring solutions. The vulnerability stems from insufficient input validation and sanitization within the password parameter processing mechanism, allowing malicious actors to inject shell metacharacters that are subsequently executed by the system. This type of vulnerability falls under the CWE-77 category, which specifically addresses command injection flaws where untrusted data is incorporated into shell commands without proper sanitization.
The technical exploitation of this vulnerability occurs when an attacker crafts a malicious password parameter containing shell metacharacters such as semicolons, ampersands, or backticks that are interpreted by the underlying shell executing the configuration process. The flaw exists in the authentication and welcome page handling logic where user-supplied input is directly passed to system commands without adequate filtering or escaping mechanisms. This creates a path for remote attackers to execute arbitrary commands on the affected system with the privileges of the web application user, potentially leading to complete system compromise. The vulnerability's impact is amplified by its remote exploitability, meaning attackers do not require local access or authentication to the system to leverage this flaw.
From an operational standpoint, this vulnerability poses severe risks to monitoring infrastructure security, as op5 Monitor and Appliance systems are typically deployed in critical network environments where they serve as essential components for system health monitoring and alerting. The ability to execute arbitrary commands remotely means that attackers could potentially gain full control over the monitoring system, disable alerting mechanisms, modify configuration files, or even use the compromised system as a pivot point to attack other network segments. This vulnerability directly maps to the ATT&CK technique T1059.001 for command and scripting interpreter, specifically targeting the execution of system commands through the web interface. Organizations using these systems face potential data exfiltration, system disruption, and the establishment of persistent backdoors through this attack vector.
Organizations should immediately implement mitigations including updating to the patched versions of op5 Monitor (2.0.3) and op5 Appliance (5.5.3) where the input sanitization has been properly implemented. Network segmentation and firewall rules should be enforced to limit access to the affected web interfaces, while implementing proper input validation at multiple layers of the application stack. The solution involves comprehensive parameter sanitization and escaping of shell metacharacters before any system commands are executed, following secure coding practices that prevent the injection of unintended commands. Additionally, monitoring for suspicious login attempts and command execution patterns should be implemented to detect potential exploitation attempts, while regular security audits should verify that no other similar vulnerabilities exist within the monitoring platform's codebase. The remediation process should also include disabling unnecessary web interfaces and ensuring that only authorized personnel have access to the configuration components where this vulnerability was identified.