CVE-2026-44106 in CHARX SEC-3150
Summary
by MITRE • 07/30/2026
A privilege escalation vulnerability in the init-script for user-applications allows a low-privileged local user to execute arbitrary commands as root, resulting in full system compromise.
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Analysis
by VulDB Data Team • 07/30/2026
This privilege escalation vulnerability represents a critical security flaw in the initialization script framework that governs user application execution environments. The vulnerability stems from inadequate privilege separation mechanisms within the init-script infrastructure, where low-privileged local users can manipulate or inject malicious code into the startup sequence of applications. This weakness allows attackers to elevate their privileges from standard user level to root access, effectively compromising the entire system. The flaw manifests when the system fails to properly validate or sanitize input parameters during the application initialization phase, creating an attack surface where malicious commands can be executed with elevated privileges.
The technical implementation of this vulnerability typically involves exploiting weaknesses in how the init-script processes user-defined paths, environment variables, or configuration files that are loaded during application startup. Attackers can leverage this by placing malicious executables in locations that get executed during the initialization process, or by manipulating symbolic links and file permissions to redirect execution flows. This type of vulnerability aligns with CWE-785 which specifically addresses the use of dangerous functions in the context of privilege escalation, and also relates to CWE-276 which covers improper privileges on resource access. The underlying mechanism often involves insecure direct object references or path traversal vulnerabilities that allow unauthorized modification of system resources.
The operational impact of this vulnerability extends far beyond simple privilege escalation, as it provides attackers with complete control over the compromised system. Once elevated to root privileges, adversaries can modify critical system files, install persistent backdoors, access all user data, and potentially escalate their access to networked systems. The vulnerability essentially removes the fundamental security boundary between regular users and system administration functions, allowing unauthorized individuals to perform actions that should be restricted to privileged accounts only. This presents a significant risk in multi-user environments where different levels of access are expected to be maintained.
Mitigation strategies for this vulnerability require immediate implementation of proper privilege separation protocols within the init-script framework, ensuring that all application startup processes run with minimal required privileges rather than elevated permissions. System administrators should implement strict file permission controls and audit mechanisms to detect unauthorized modifications to critical system files during initialization phases. The recommended approach involves applying principle of least privilege principles to all system components and regularly reviewing access controls for application startup scripts. Additionally, implementing mandatory access controls such as SELinux or AppArmor can provide additional layers of protection by restricting what processes can execute with elevated privileges. Organizations should also conduct regular security assessments focusing on initialization sequence vulnerabilities and maintain up-to-date monitoring systems that can detect anomalous execution patterns during system boot processes. This vulnerability is categorized under attack technique T1068 in the MITRE ATT&CK framework, which specifically addresses local privilege escalation through various system-level weaknesses including init script manipulation.