CVE-2023-1135 in InfraSuite Device Master
Summary
by MITRE • 03/27/2023
In Delta Electronics InfraSuite Device Master versions prior to 1.0.5, an attacker could set incorrect directory permissions, which could result in local privilege escalation.
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Analysis
by VulDB Data Team • 04/13/2023
The vulnerability identified as CVE-2023-1135 affects Delta Electronics InfraSuite Device Master software versions before 1.0.5, representing a critical security flaw that could enable local privilege escalation through improper directory permissions. This issue resides within the device management software ecosystem that Delta Electronics employs for infrastructure monitoring and control systems. The vulnerability specifically targets the permission settings of directories within the application's file structure, creating potential pathways for unauthorized users to elevate their privileges from standard user level to administrative or root access. The flaw demonstrates a fundamental weakness in the software's access control mechanisms and privilege management implementation.
The technical implementation of this vulnerability stems from the application's failure to properly enforce directory permissions during installation or runtime operations. When directory permissions are incorrectly configured, malicious actors can exploit these misconfigurations to gain elevated privileges on the system. This typically occurs when the software creates directories with overly permissive settings that allow non-privileged users to modify or access sensitive system files and directories. The flaw aligns with CWE-732: Incorrect Permission Assignment for Critical Resource, which specifically addresses improper permission settings that can lead to privilege escalation. The vulnerability operates at the operating system level where directory permissions control access to files and resources, making it particularly dangerous for industrial control systems where unauthorized access could compromise entire infrastructure operations.
From an operational perspective, this vulnerability poses significant risks to organizations relying on Delta Electronics InfraSuite Device Master for their infrastructure management. Local privilege escalation vulnerabilities are particularly concerning because they can be exploited by attackers who have already gained some level of access to the system, potentially through social engineering, phishing, or other initial compromise techniques. Once exploited, the vulnerability allows attackers to execute arbitrary code with elevated privileges, potentially enabling them to modify system configurations, install malware, or access sensitive operational data. The impact extends beyond individual system compromise to potentially affect entire network infrastructures that depend on the Device Master for monitoring and control functions. This vulnerability can be categorized under the ATT&CK framework as privilege escalation techniques, specifically targeting local privilege escalation through permission manipulation.
The remediation strategy for CVE-2023-1135 requires immediate deployment of the patched version 1.0.5 or later, which addresses the directory permission configuration issues. Organizations should conduct comprehensive vulnerability assessments to identify systems running vulnerable versions and ensure proper patch management protocols are in place. Additional mitigations include implementing strict access controls, monitoring directory permission changes, and maintaining regular security audits of system configurations. Security teams should also consider implementing network segmentation to limit potential attack surfaces and establish privileged access management controls. The vulnerability highlights the importance of proper permission management in industrial control systems and underscores the need for robust security practices in infrastructure management software. Organizations should review their security configurations and ensure that directory permissions are properly enforced to prevent similar privilege escalation scenarios from occurring in other software components.