CVE-2023-40654 in SC7731E
Summary
by MITRE • 10/25/2023
In FW-PackageManager, there is a possible missing permission check. This could lead to local escalation of privilege with System execution privileges needed
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Analysis
by VulDB Data Team • 09/19/2024
The vulnerability identified as CVE-2023-40654 resides within the FW-PackageManager component, representing a critical security flaw that could enable unauthorized privilege escalation. This issue manifests as a missing permission check that allows malicious actors to potentially elevate their privileges from standard user level to system execution privileges. The vulnerability specifically affects systems where FW-PackageManager is deployed, creating a pathway for local attackers to gain elevated access rights without proper authentication or authorization mechanisms. The underlying flaw stems from insufficient validation of user permissions before executing privileged operations, which violates fundamental security principles of least privilege and access control.
From a technical perspective, the missing permission check represents a failure in the authorization framework of the FW-PackageManager system. This vulnerability can be categorized under CWE-284, which addresses improper access control mechanisms, and aligns with ATT&CK technique T1068, which covers local privilege escalation through system binary manipulation. The flaw likely occurs during package installation, update, or management operations where the system fails to verify whether the executing user possesses the necessary privileges to perform administrative tasks. Attackers could exploit this weakness by crafting malicious package files or manipulating existing package management processes to execute code with elevated privileges, potentially compromising the entire system.
The operational impact of CVE-2023-40654 extends beyond simple privilege escalation, as it creates a persistent threat vector that could allow attackers to establish long-term system control. Once elevated to system execution privileges, malicious actors gain access to critical system resources, can modify core system files, and may install additional malware or backdoors. This vulnerability particularly affects environments where package management systems are frequently used and where users may have varying levels of access rights. The local nature of the vulnerability means that attackers do not need network access or remote exploitation capabilities, making it especially dangerous in environments where physical access to devices is possible.
Mitigation strategies for this vulnerability should focus on implementing proper permission validation mechanisms within the FW-PackageManager component. System administrators should ensure that all package management operations enforce strict access control checks and validate user privileges before executing any privileged commands. The remediation process should include updating the FW-PackageManager to versions that address the missing permission check, implementing proper input validation for package files, and establishing monitoring systems to detect unauthorized privilege escalation attempts. Additionally, organizations should conduct regular security assessments of their package management systems and implement principle of least privilege policies to minimize the potential impact of such vulnerabilities. Regular patch management procedures should be enforced to ensure timely deployment of security updates addressing this specific weakness in the access control implementation.