CVE-2024-41108 in FOG
Summary
by MITRE • 07/31/2024
FOG is a free open-source cloning/imaging/rescue suite/inventory management system. The hostinfo page has missing/improper access control since only the host's mac address is required to obtain the configuration information. This data can only be retrieved if a task is pending on that host. Otherwise, an error message containing "Invalid tasking!" will be returned. The domainpassword in the hostinfo dump is hidden even to authenticated users, as it is displayed as a row of asterisks when navigating to the host's Active Directory settings. This vulnerability is fixed in 1.5.10.41.
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Analysis
by VulDB Data Team • 09/05/2024
The FOG Project represents a comprehensive open-source solution designed for computer imaging, cloning, and inventory management across enterprise environments. This system serves as a critical infrastructure component for IT departments managing large fleets of computers through centralized administration capabilities. The vulnerability identified in CVE-2024-41108 specifically targets the hostinfo page functionality within this imaging suite, exposing a significant access control weakness that undermines the security posture of deployed systems. The flaw manifests through an insufficient authentication mechanism that relies solely on MAC address validation for accessing sensitive host configuration data, creating a dangerous privilege escalation vector within the system architecture.
The technical implementation of this vulnerability stems from improper access control validation mechanisms within the hostinfo page component. Attackers can exploit this weakness by simply knowing a target host's MAC address to retrieve configuration information, bypassing the need for proper authentication credentials or administrative privileges. This design flaw directly violates established security principles and aligns with CWE-284, which addresses improper access control vulnerabilities in software systems. The system's response mechanism further compounds the issue by returning error messages containing "Invalid tasking!" when no pending tasks exist, inadvertently revealing system state information to unauthorized parties and providing attackers with additional reconnaissance capabilities.
The operational impact of this vulnerability extends beyond simple information disclosure, as it enables attackers to gather detailed configuration data about target systems without proper authorization. This includes potentially sensitive information that could be leveraged for further attacks, including network topology mapping and system enumeration. The fact that the domainpassword field is obscured through asterisk masking when accessed through the Active Directory settings interface represents only a partial mitigation, as the underlying access control flaw remains unaddressed. This vulnerability particularly affects environments where FOG is deployed in production settings, as it creates opportunities for attackers to gain unauthorized access to system configuration details that could be used for lateral movement or privilege escalation attacks.
The remediation approach for CVE-2024-41108 involves updating to version 1.5.10.41, which addresses the improper access control conditions that allowed unauthorized data retrieval. This fix should be implemented immediately across all FOG deployments to prevent exploitation attempts, as the vulnerability represents a persistent threat to system security. Organizations should also conduct comprehensive security assessments of their FOG implementations to identify any additional access control weaknesses that may exist within the broader system architecture. The vulnerability's classification under CWE-284 and its potential to enable privilege escalation attacks aligns with ATT&CK technique T1078 which addresses valid accounts and legitimate credentials for system access. Security teams should implement monitoring for suspicious access patterns to the hostinfo page and consider additional authentication layers to prevent similar vulnerabilities from emerging in other components of the FOG system.