CVE-2024-38305 in SupportAssist for Home PCs
Summary
by MITRE • 08/21/2024
Dell SupportAssist for Home PCs Installer exe version 4.0.3 contains a privilege escalation vulnerability in the installer. A local low-privileged authenticated attacker could potentially exploit this vulnerability, leading to the execution of arbitrary executables on the operating system with elevated privileges.
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Analysis
by VulDB Data Team • 03/13/2025
The vulnerability identified as CVE-2024-38305 affects Dell SupportAssist for Home PCs Installer version 4.0.3 and represents a critical privilege escalation flaw that undermines the security posture of affected systems. This vulnerability resides within the installer executable and specifically targets the installation process of the SupportAssist software. The flaw allows a local attacker who already possesses low-privileged user credentials to elevate their privileges and execute malicious code with administrative rights. Such a vulnerability is particularly concerning because it leverages the legitimate installation mechanism of a widely deployed software solution, making exploitation both plausible and potentially widespread.
The technical nature of this vulnerability stems from improper privilege handling during the installation process of the Dell SupportAssist software. When the installer executes, it likely fails to properly validate or restrict the execution context of certain components, creating an opportunity for privilege escalation. The installer may be invoking system-level operations or modifying system files without appropriate access controls or privilege checks. This flaw aligns with CWE-787, which describes out-of-bounds writes that can lead to privilege escalation, and potentially CWE-269, which covers improper privilege management in software installations. The vulnerability operates under the principle that legitimate installation processes can be manipulated to execute arbitrary code with elevated privileges, essentially creating a backdoor within the software installation flow.
The operational impact of CVE-2024-38305 extends beyond simple privilege escalation, as it provides attackers with a persistent foothold on affected systems. Once elevated to administrative privileges, an attacker can manipulate system configurations, install additional malware, modify security settings, or access sensitive data without detection. The vulnerability affects systems running Dell SupportAssist for Home PCs, which are commonly found in residential and small office environments where security monitoring may be limited. This creates a significant risk for data breaches, system compromise, and potential lateral movement within networks. The attack surface is particularly wide given that many home users may not regularly update their software or have robust security controls in place, making these systems prime targets for exploitation.
Mitigation strategies for this vulnerability should focus on immediate remediation through official Dell patches and updates. Organizations and users must prioritize applying the vendor-supplied security fixes as soon as they become available. Additionally, system administrators should implement privilege separation measures, ensuring that users operate with minimal necessary privileges and that installation processes are properly sandboxed. The principle of least privilege should be enforced, preventing non-administrative users from executing installation packages or modifying system components. Network segmentation and monitoring solutions can help detect suspicious installation activities or unauthorized privilege escalation attempts. From an ATT&CK framework perspective, this vulnerability maps to T1068, which covers privilege escalation through local exploits, and T1547, which covers registry run keys and startup folder modifications that could be leveraged during exploitation. Regular security assessments and vulnerability scanning should be implemented to identify and remediate similar issues in other software installations.