CVE-2023-1966 in Universal Copy Service
Summary
by MITRE • 04/28/2023
Instruments with Illumina Universal Copy Service v1.x and v2.x contain an unnecessary privileges vulnerability. An unauthenticated malicious actor could upload and execute code remotely at the operating system level, which could allow an attacker to change settings, configurations, software, or access sensitive data on the affected product.
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Analysis
by VulDB Data Team • 05/24/2023
The vulnerability identified as CVE-2023-1966 affects Illumina Universal Copy Service versions 1.x and 2.x, representing a critical privilege escalation flaw that fundamentally compromises the security posture of affected systems. This issue stems from inadequate authentication mechanisms within the service's architecture, creating a pathway for unauthorized actors to bypass normal access controls and execute malicious code with elevated system privileges. The vulnerability's classification aligns with CWE-284 which specifically addresses improper access control, making it a direct descendant of weak privilege management within software applications.
The technical exploitation of this vulnerability enables remote code execution at the operating system level without requiring authentication credentials, which constitutes a severe security failure in the service's access control implementation. Attackers can leverage this flaw to upload malicious payloads and execute them with full system privileges, effectively granting them complete control over the affected devices. This capability allows for arbitrary modification of system settings, configuration changes, software installations, and unauthorized access to sensitive data repositories. The vulnerability's impact extends beyond simple privilege escalation as it provides attackers with persistent access to critical infrastructure components that are typically protected by robust security controls.
From an operational perspective, this vulnerability presents significant risk to organizations utilizing Illumina sequencing platforms, particularly those in research and clinical environments where data integrity and system security are paramount. The remote execution capability means that attackers can compromise systems from external networks without requiring physical access or valid credentials, making detection and prevention particularly challenging. The vulnerability's exploitation can lead to data breaches, system corruption, and potential disruption of critical research operations or clinical workflows. Organizations may face regulatory compliance issues and reputational damage if such vulnerabilities are exploited in environments handling sensitive genomic data.
Mitigation strategies should prioritize immediate implementation of network segmentation to isolate affected systems from critical network zones, along with comprehensive access control reviews to ensure that only authorized personnel can access the Universal Copy Service. Security patches should be applied promptly as they become available from Illumina, while network monitoring should be enhanced to detect unusual file upload activities or unauthorized code execution attempts. The implementation of principle of least privilege controls and regular security audits of system configurations will help reduce the attack surface and prevent exploitation of similar vulnerabilities. Additionally, organizations should consider implementing endpoint detection and response solutions to monitor for suspicious activities that may indicate exploitation attempts, as this vulnerability represents a classic example of how inadequate authentication mechanisms can lead to complete system compromise. The ATT&CK framework categorizes this vulnerability under privilege escalation techniques, specifically targeting T1068 which covers 'Local Privilege Escalation', making it a critical concern for cybersecurity teams implementing comprehensive threat hunting and defense strategies.