CVE-2024-3789 in WBSAirback
Summary
by MITRE • 05/14/2024
Uncontrolled resource consumption vulnerability in White Bear Solutions WBSAirback, version 21.02.04. This vulnerability could allow an attacker to send multiple command injection payloads to influence the amount of resources consumed.
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Analysis
by VulDB Data Team • 05/14/2024
The vulnerability identified as CVE-2024-3789 represents a critical uncontrolled resource consumption flaw within White Bear Solutions WBSAirback version 21.02.04. This issue stems from inadequate input validation and resource management mechanisms that fail to properly handle malicious command injection payloads. The vulnerability exists in the application's processing pipeline where user-supplied data is not sufficiently sanitized before being executed or processed, creating an avenue for resource exhaustion attacks. The flaw specifically manifests when the system receives multiple command injection attempts that manipulate resource allocation parameters, leading to excessive CPU utilization, memory consumption, and potential denial of service conditions.
The technical implementation of this vulnerability aligns with CWE-400, which addresses uncontrolled resource consumption or resource exhaustion issues in software systems. Attackers can exploit this weakness by crafting multiple command injection payloads that target the application's resource management functions. These payloads typically leverage the system's command execution capabilities to consume excessive computational resources through processes such as repeated system calls, memory allocation loops, or process spawning operations. The vulnerability's exploitation pattern follows common attack methodologies described in the MITRE ATT&CK framework under the T1499 technique for resource exhaustion attacks, where adversaries aim to consume system resources to disrupt normal operations.
The operational impact of CVE-2024-3789 extends beyond simple denial of service conditions to potentially compromise the entire system stability and availability. When exploited successfully, the vulnerability can cause cascading failures throughout the WBSAirback environment, affecting backup operations, system responsiveness, and overall data protection capabilities. Organizations relying on this airback solution may experience service degradation, performance degradation, or complete system unavailability during active exploitation. The resource consumption patterns can also mask other security issues by overwhelming system monitoring capabilities and making legitimate security events harder to detect through normal operational procedures.
Mitigation strategies for this vulnerability should focus on implementing comprehensive input validation and resource limiting mechanisms. Organizations must deploy proper sanitization filters that prevent command injection attempts from reaching the system's execution layers, while also implementing rate limiting and resource allocation caps to prevent excessive consumption. The recommended approach includes applying the vendor's official patch or update as soon as available, implementing network-level controls to restrict access to vulnerable endpoints, and establishing monitoring protocols that can detect unusual resource consumption patterns. Additionally, system administrators should consider implementing intrusion detection systems that can identify and block suspicious command injection patterns, while maintaining detailed logging of all resource consumption metrics to enable rapid incident response when anomalies occur.