CVE-2024-38482 in CloudLink
Summary
by MITRE • 08/02/2024
CloudLink, versions 7.1.x and 8.x, contain an Improper check or handling of Exceptional Conditions Vulnerability in Cluster Component. A highly privileged malicious user with remote access could potentially exploit this vulnerability, leading to execute unauthorized actions and retrieve sensitive information from the database.
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Analysis
by VulDB Data Team • 09/06/2024
The vulnerability identified as CVE-2024-38482 affects CloudLink versions 7.1.x and 8.x, specifically within the cluster component where improper handling of exceptional conditions exists. This flaw represents a critical security weakness that stems from inadequate exception management during cluster operations. The vulnerability manifests when the system fails to properly validate or handle error states that occur during normal cluster communication or data processing activities. According to CWE-755 guidelines, this issue falls under improper handling of exceptional conditions, which is a common vector for privilege escalation and information disclosure attacks. The cluster component in CloudLink systems typically manages distributed operations across multiple nodes, making it a prime target for attackers seeking to exploit weak exception handling mechanisms.
The technical exploitation of this vulnerability requires a malicious actor with highly privileged access and remote connectivity to the CloudLink system. This prerequisite significantly reduces the attack surface but does not eliminate the risk entirely, as internal threats or compromised accounts could still leverage this weakness. The flaw allows for unauthorized execution of actions that should be restricted to authorized administrators, potentially enabling data exfiltration, system manipulation, or privilege escalation within the cluster environment. The exception handling failure creates a path where normal error conditions can be manipulated to bypass security controls, leading to unauthorized database access and information retrieval capabilities.
The operational impact of this vulnerability extends beyond simple data theft, as it can compromise the integrity and availability of the entire cluster infrastructure. Attackers could potentially disrupt cluster operations, manipulate distributed data, or establish persistent access points within the system. The database exposure risk means that sensitive information stored within the cluster could be accessed without proper authorization, potentially including user credentials, configuration data, or business-critical information. This vulnerability aligns with ATT&CK technique T1078 which covers valid accounts and T1566 which covers credential harvesting, as the compromised system could be used to further expand access within the network environment.
Organizations should implement immediate mitigations including patching to the latest CloudLink versions that address this exception handling flaw, implementing additional monitoring for unusual cluster behavior, and conducting thorough access reviews to ensure that only authorized personnel maintain highly privileged accounts. Network segmentation and firewall rules should be enforced to limit remote access to cluster components, while regular vulnerability assessments should be performed to identify similar exception handling weaknesses in other system components. The remediation process should include comprehensive testing of exception handling mechanisms to ensure that error states are properly managed and do not create exploitable conditions. Additionally, security teams should establish incident response procedures specifically addressing cluster component vulnerabilities, given the distributed nature of the affected systems and the potential for cascading failures if exploitation occurs.