OpenNMS Remote Code Execution (RCE) Scanner
Detects 'Remote Code Execution (RCE)' vulnerability in OpenNMS Horizon.
Short Info
Level
Critical
Single Scan
Single Scan
Can be used by
Asset Owner
Estimated Time
10 seconds
Time Interval
12 days 6 hours
Scan only one
URL
Toolbox
-
OpenNMS Horizon is a distributed network management platform designed to monitor large-scale networks. It is used by IT professionals and network administrators to ensure the smooth operation of various network devices and services. The software supports data collection through SNMP, JMX, and other protocols to provide a comprehensive view of network performance. Organizations rely on it for fault management, performance measurement, and service assurance. It is adaptable to different environments, making it a versatile tool across industries like telecommunications, finance, and healthcare. OpenNMS Horizon offers an open-source solution that integrates with various network infrastructures to provide reliable monitoring and reporting capabilities.
The vulnerability in question involves Remote Code Execution (RCE) facilitated through Apache Log4j. An attacker can exploit this vulnerability by controlling log messages or log message parameters, potentially executing arbitrary code via JNDI lookup when message substitution is enabled. The flaw arises from improper handling of user-supplied data, making it a critical security concern. This issue was highlighted when it became apparent that attackers could leverage it to gain unauthorized control over affected systems. The vulnerability affects systems where vulnerable versions of Log4j are employed, necessitating urgent mitigation to protect organizational assets and data.
The technical details of the vulnerability involve Log4j's message lookup substitution feature. By embedding a JNDI lookup string within log messages, an attacker can trigger interactions with an LDAP server under their control. This can result in the loading and execution of arbitrary code. The vulnerable endpoint in OpenNMS is typically accessed through crafted HTTP requests that contain malicious payloads within specific parameters. The use of DNS-based interaction tools aids in confirming the vulnerability's exploitation by capturing data exchanges with attacker-controlled domains. This endpoint's improper validation and unmonitored execution highlight a severe lapse in maintaining security best practices.
When successfully exploited, this RCE vulnerability can have profound effects on affected systems. Attackers can potentially execute any code of their choice, leading to complete system compromise. This may result in data breaches, installation of malware, theft of sensitive information, and disruption of services. In the wrong hands, this power could severely impact business operations, damage reputation, and incur financial losses. The potential for such exploitation necessitates immediate attention and action to prevent unauthorized access and maintain data integrity.
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