CVE-2019-6823 in ProClima
Summary
by MITRE
A CWE-94: Code Injection vulnerability exists in ProClima (all versions prior to version 8.0.0) which could allow an unauthenticated, remote attacker to execute arbitrary code on the targeted system in all versions of ProClima prior to version 8.0.0.
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Analysis
by VulDB Data Team • 10/26/2023
The vulnerability identified as CVE-2019-6823 represents a critical code injection flaw classified under CWE-94 within ProClima software versions prior to 8.0.0. This vulnerability exposes systems to remote exploitation by unauthenticated attackers who can leverage the flaw to execute arbitrary code on the targeted system. The severity of this issue stems from its remote attack vector and the lack of authentication requirements, making it particularly dangerous in networked environments where ProClima systems are deployed. The vulnerability exists in the software's handling of input data that is processed without adequate sanitization or validation mechanisms, creating an opportunity for malicious actors to inject and execute unauthorized code sequences.
The technical implementation of this vulnerability occurs through improper input validation within the ProClima application's processing pipeline. Attackers can exploit this weakness by crafting malicious input that gets interpreted and executed as code by the vulnerable system. This typically involves sending specially crafted payloads through network interfaces or application programming interfaces that the software exposes to external communication. The lack of input sanitization allows attackers to inject code that bypasses normal execution paths and gains direct control over system resources. The vulnerability's impact is amplified by the fact that it affects all versions prior to 8.0.0, indicating a long-standing flaw that was not properly addressed in the software development lifecycle.
From an operational perspective, this vulnerability creates significant risk for organizations relying on ProClima systems for climate control and environmental management. Successful exploitation could lead to complete system compromise, data exfiltration, and potential lateral movement within network environments. The remote nature of the attack means that threat actors can target systems from anywhere on the internet without requiring physical access or prior authentication credentials. This vulnerability directly aligns with attack patterns described in the MITRE ATT&CK framework under the code injection technique, specifically targeting application-level code execution capabilities. Organizations may experience service disruptions, unauthorized access to sensitive environmental data, and potential regulatory compliance violations depending on the industry sector.
Mitigation strategies for CVE-2019-6823 should prioritize immediate software updates to version 8.0.0 or later where the vulnerability has been addressed. System administrators should implement network segmentation to limit exposure of ProClima systems to untrusted networks and enforce strict firewall rules to restrict access to relevant ports and services. Additional defensive measures include implementing robust input validation mechanisms, deploying intrusion detection systems to monitor for suspicious network activity, and conducting regular security assessments of the environment. Organizations should also consider implementing application whitelisting policies and monitoring for unusual code execution patterns that might indicate exploitation attempts. The vulnerability's classification as CWE-94 emphasizes the importance of proper input handling and code validation practices throughout the software development lifecycle to prevent similar issues in future releases.