CVE-2018-12334 in Secure Boot Stick
Summary
by MITRE
Protection Mechanism Failure in ECOS Secure Boot Stick (aka SBS) 5.6.5 allows an attacker to compromise authentication and encryption keys via a virtualization attack.
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Analysis
by VulDB Data Team • 02/20/2020
The CVE-2018-12334 vulnerability represents a critical protection mechanism failure within the ECOS Secure Boot Stick version 5.6.5, a hardware security solution designed to safeguard authentication and encryption keys through secure boot processes. This vulnerability specifically targets the secure boot implementation that is fundamental to protecting against unauthorized access and ensuring the integrity of cryptographic operations. The flaw allows attackers to bypass the intended security controls through virtualization attacks that exploit weaknesses in the boot process validation mechanisms.
The technical implementation of this vulnerability stems from insufficient validation of the boot environment and inadequate isolation between the virtualized execution environment and the underlying hardware security components. When the secure boot stick attempts to authenticate and establish encryption keys, the virtualization attack can manipulate or intercept the boot process before proper cryptographic validation occurs. This failure in the protection mechanism creates a pathway for attackers to extract or compromise sensitive cryptographic keys that should remain isolated within the secure hardware environment. The vulnerability is classified under CWE-310 as a Cryptographic Vulnerability, specifically involving weaknesses in key management and authentication processes.
The operational impact of this vulnerability is severe as it fundamentally undermines the security posture of systems relying on the ECOS Secure Boot Stick for protection. Attackers can leverage this weakness to gain unauthorized access to encrypted data, impersonate legitimate systems, and potentially compromise entire network infrastructures that depend on the integrity of the secure boot process. The virtualization attack vector is particularly dangerous because it can be executed from within a compromised system or through sophisticated attack frameworks that can manipulate the virtual environment to bypass hardware-level security controls. This vulnerability directly impacts the CIA triad by compromising confidentiality through key exposure and integrity through potential system compromise.
Mitigation strategies for CVE-2018-12334 should focus on immediate firmware updates to address the protection mechanism failure, along with comprehensive security assessments of all systems utilizing the affected secure boot stick. Organizations must implement additional monitoring controls to detect anomalous boot processes and unauthorized key access attempts. The remediation process should include validating the integrity of the boot environment through multiple independent verification mechanisms and ensuring proper isolation between virtualized components and security-critical hardware functions. Security controls should align with NIST SP 800-155 guidelines for secure boot implementations and consider ATT&CK framework techniques related to privilege escalation and credential access through boot process manipulation. Additionally, organizations should conduct regular security testing to verify that the updated protection mechanisms effectively prevent virtualization-based attacks from compromising the secure boot environment and cryptographic key storage.