CVE-2024-7591 in LoadMaster
Summary
by MITRE • 09/05/2024
Improper Input Validation vulnerability in Progress LoadMaster allows OS Command Injection.This issue affects:
* LoadMaster: 7.2.40.0 and above
* ECS: All versions
* Multi-Tenancy: 7.1.35.4 and above
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Analysis
by VulDB Data Team • 09/20/2024
The CVE-2024-7591 vulnerability represents a critical security flaw in Progress LoadMaster systems that stems from improper input validation mechanisms. This vulnerability creates a pathway for malicious actors to execute arbitrary operating system commands through the affected load balancing appliances. The issue specifically impacts multiple product lines including LoadMaster versions 7.2.40.0 and above, ECS systems across all versions, and Multi-Tenancy environments starting from version 7.1.35.4. The vulnerability resides in the input sanitization processes that should normally prevent unauthorized command execution but fail to properly validate user-supplied data. This flaw demonstrates a fundamental weakness in the application's security architecture where user inputs are not adequately filtered or escaped before being processed by the underlying operating system. The vulnerability's classification aligns with CWE-20, which describes improper input validation as a core weakness that allows attackers to manipulate application behavior through malicious input. From an operational perspective, this vulnerability presents a severe risk to network infrastructure security as it enables attackers to gain unauthorized access to the underlying operating system and execute commands with the privileges of the running service. The impact extends beyond simple command execution to potentially allow full system compromise, data exfiltration, and disruption of critical network services that rely on these load balancing appliances. Attackers could leverage this vulnerability to install backdoors, modify system configurations, or escalate privileges within the network environment.
The technical exploitation of CVE-2024-7591 follows standard OS command injection patterns where attacker-controlled input is passed directly to system execution functions without proper sanitization. This allows for command chaining and arbitrary code execution at the system level, potentially bypassing traditional network security controls. The vulnerability's presence in LoadMaster systems means that organizations relying on these appliances for traffic management and load distribution face immediate security risks. The affected versions span multiple product lines, indicating a widespread issue that requires coordinated remediation efforts across different deployment scenarios. Security professionals should note that this vulnerability can be exploited through various attack vectors including web interfaces, API endpoints, or configuration management interfaces that accept user input. The lack of proper input validation creates a direct pathway for attackers to inject malicious commands that are then interpreted and executed by the underlying operating system. Organizations using these systems should consider the vulnerability's potential for lateral movement within networks, as compromised load balancers often have elevated privileges and access to critical infrastructure components.
Organizations must implement immediate mitigation strategies to address the CVE-2024-7591 vulnerability across their affected systems. The most effective approach involves applying the vendor-provided patches and updates as soon as they become available, which should address the input validation deficiencies in the affected software versions. Network segmentation and access controls should be enhanced to limit exposure of these critical systems to untrusted networks. Regular monitoring of system logs for suspicious command execution patterns can help detect exploitation attempts and provide early warning of potential compromise. Security teams should also implement input validation controls at multiple layers including web application firewalls, API gateways, and network access controls to provide defense-in-depth. The vulnerability's characteristics align with attack patterns documented in the MITRE ATT&CK framework under the command and control categories, particularly those involving OS command injection and privilege escalation techniques. Organizations should conduct comprehensive vulnerability assessments to identify all systems running affected versions and prioritize remediation efforts based on risk exposure and criticality of the affected services. Additionally, implementing robust security monitoring solutions that can detect anomalous command execution patterns will help in identifying potential exploitation attempts. The remediation process should include not only patching but also reviewing system configurations and access controls to ensure that the underlying security posture remains strong against similar vulnerabilities. Regular security testing and code reviews should be implemented to prevent similar input validation issues from emerging in future software releases.