CVE-2018-9064 in XClarity Administrator
Summary
by MITRE
In Lenovo xClarity Administrator versions earlier than 2.1.0, an authenticated LXCA user may abuse a web API debug call to retrieve the credentials for the System Manager user.
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Analysis
by VulDB Data Team • 03/11/2020
The vulnerability identified as CVE-2018-9064 affects Lenovo xClarity Administrator software versions prior to 2.1.0, representing a critical security flaw that enables authenticated attackers to exploit a debug API endpoint for credential extraction. This vulnerability resides within the web application interface of the xClarity Administrator platform, which serves as a centralized management tool for Lenovo servers and infrastructure components. The flaw specifically targets the System Manager user account credentials, which typically possess elevated privileges within the managed environment.
The technical implementation of this vulnerability involves an improperly secured debug API call that remains accessible to authenticated users despite being intended for development and troubleshooting purposes only. When an authenticated LXCA user accesses this specific API endpoint, the system responds with sensitive credential information for the System Manager account without proper authorization checks or access controls. This represents a classic case of insecure direct object reference where the debug functionality has not been properly restricted to authorized personnel only. The vulnerability aligns with CWE-284, which addresses improper access control mechanisms, and demonstrates how debug features can become attack vectors when not properly secured.
The operational impact of this vulnerability extends beyond simple credential theft, as the System Manager user typically holds administrative privileges over the managed infrastructure. An attacker who successfully exploits this vulnerability can gain unauthorized access to the entire managed environment, potentially leading to complete system compromise, data exfiltration, or disruption of critical infrastructure operations. The attack requires only authentication to the LXCA interface, making it particularly dangerous as it can be exploited by malicious insiders or attackers who have already gained initial access through other means. This vulnerability directly maps to ATT&CK technique T1078 which covers legitimate credentials usage, and T1566 which involves credential harvesting through various attack vectors.
Organizations utilizing affected versions of Lenovo xClarity Administrator should immediately implement the vendor-provided patch version 2.1.0 or later to remediate this vulnerability. Additional mitigations include implementing network segmentation to limit access to the LXCA interface, enforcing strict access controls and monitoring for unusual API activity, and conducting regular security audits of debug and development features within enterprise management platforms. Security teams should also consider implementing automated monitoring solutions that can detect unauthorized access attempts to debug endpoints and establish incident response procedures for credential compromise scenarios. The vulnerability underscores the importance of proper security testing and access control implementation during software development lifecycle processes, particularly for management and administrative interfaces that handle sensitive authentication data.