CVE-2006-6468 in WorkCentre
Summary
by MITRE
Xerox WorkCentre and WorkCentre Pro before 12.050.03.000, 13.x before 13.050.03.000, and 14.x before 14.050.03.000 do not check the Fully Qualified Domain Name (FQDN) during a "Validate Repository SSL Certificate" scan, which has unknown impact and attack vectors, possibly related to spoofed certificates.
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Analysis
by VulDB Data Team • 08/10/2018
This vulnerability affects Xerox WorkCentre and WorkCentre Pro multifunction devices running specific firmware versions, where the SSL certificate validation process fails to properly verify the Fully Qualified Domain Name during repository certificate scans. The flaw resides in the device's security implementation that allows connections to be established even when the certificate presented does not match the expected domain name, creating a potential man-in-the-middle attack vector. The vulnerability is classified under CWE-295 which specifically addresses improper certificate validation, making it a critical weakness in the device's secure communication protocols.
The technical implementation flaw occurs when devices perform SSL certificate validation against repository servers without properly checking the FQDN field in the certificate against the actual domain name being accessed. This omission allows attackers to potentially present a valid certificate for a different domain, thereby bypassing the security mechanism designed to prevent unauthorized certificate validation. The attack surface becomes particularly concerning when considering that these devices often handle sensitive corporate data and may be connected to internal networks where such bypasses could lead to data exfiltration or system compromise.
The operational impact of this vulnerability extends beyond simple certificate validation failures, as it could enable attackers to impersonate legitimate repository servers and potentially gain unauthorized access to device configurations, firmware updates, or sensitive data transmitted through these connections. The unknown attack vectors suggest that the exact methods of exploitation may vary depending on the specific network environment and device configurations, but the potential for certificate spoofing remains a significant concern. This weakness could allow adversaries to intercept communications, modify data in transit, or redirect device operations to malicious endpoints.
Organizations should implement immediate mitigations including updating affected devices to firmware versions 12.050.03.000, 13.050.03.000, or 14.050.03.000 respectively, and establishing network segmentation to limit access to repository servers. Additional protective measures should include implementing network monitoring to detect anomalous certificate validation patterns and ensuring that all device communications are properly authenticated through additional layers of security. The vulnerability aligns with ATT&CK technique T1071.004 which covers application layer protocol: DNS, and represents a critical failure in endpoint security validation that could lead to broader network compromise.