CVE-2023-28076 in CloudLink
Summary
by MITRE • 05/16/2023
CloudLink 7.1.2 and all prior versions contain a broken or risky cryptographic algorithm vulnerability. An unauthenticated remote attacker could potentially exploit this vulnerability leading to some information disclosure.
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Analysis
by VulDB Data Team • 06/09/2023
The CloudLink 7.1.2 and earlier versions contain a critical cryptographic vulnerability that undermines the security posture of the system. This vulnerability stems from the implementation of weak or deprecated cryptographic algorithms that fail to provide adequate protection for sensitive data transmissions. The flaw exists within the cryptographic implementation layer of the software, creating an attack surface that adversaries can exploit without requiring authentication credentials. The vulnerability affects all prior versions up to and including 7.1.2, indicating a persistent issue that has not been addressed in the software lifecycle.
The technical nature of this vulnerability places it firmly within the scope of CWE-327, which addresses the use of weak or broken cryptographic algorithms. This weakness allows attackers to potentially decrypt or manipulate encrypted communications, leading to unauthorized access to sensitive information. The remote exploitation capability means that attackers can leverage this vulnerability from outside the network perimeter, making it particularly dangerous for systems that expose CloudLink functionality to external networks. The vulnerability's impact extends beyond simple data exposure as it can enable more sophisticated attacks such as man-in-the-middle operations or credential theft.
From an operational perspective, this vulnerability creates significant risk for organizations relying on CloudLink for secure communications. The information disclosure threat could result in exposure of confidential business data, user credentials, or proprietary information depending on the nature of communications handled by the system. The unauthenticated nature of the attack means that even systems with proper access controls remain vulnerable since no credentials are required to exploit the weakness. This vulnerability directly impacts the confidentiality principle of the CIA triad, potentially compromising the integrity and availability of services through related attack vectors.
Mitigation strategies should focus on immediate software upgrades to versions that address the cryptographic weaknesses. Organizations should implement network segmentation to limit exposure and monitor for suspicious network activity that might indicate exploitation attempts. The implementation of additional security controls such as intrusion detection systems and network monitoring tools can help detect potential exploitation of this vulnerability. Security teams should also conduct comprehensive audits of all CloudLink implementations to identify systems running vulnerable versions and prioritize remediation efforts. The vulnerability demonstrates the importance of regular security updates and the dangers of relying on deprecated cryptographic standards. Organizations should review their software supply chain processes to ensure that cryptographic implementations meet current security standards and avoid similar issues in future deployments.