CVE-2023-38029 : Exploit Details and Defense Strategies

This CVE pertains to Saho's attendance devices ADM100 and ADM-100FP, highlighting a vulnerability in the file uploading function that allows unauthenticated remote attackers to upload and execute arbitrary files, leading to the execution of system commands or service disruption.

Understanding CVE-2023-38029

In this section, we will delve into the specifics of CVE-2023-38029.

What is CVE-2023-38029?

Saho's attendance devices ADM100 and ADM-100FP are susceptible to a security flaw due to insufficient filtering of special characters and file types in their file uploading feature. This vulnerability enables unauthorized remote attackers to upload and run malicious files, potentially executing arbitrary system commands or causing service interruptions.

The Impact of CVE-2023-38029

The impact of this CVE, with a CVSS v3.1 base score of 9.8 (Critical), includes high confidentiality, integrity, and availability impacts. The attack vector is through the network with low complexity and no user interaction required, affecting the system's unchanged scope.

Technical Details of CVE-2023-38029

This section outlines the technical aspects of CVE-2023-38029.

Vulnerability Description

The vulnerability, identified with CWE-434 (Unrestricted Upload of File with Dangerous Type), allows remote attackers to exploit the file uploading function on Saho's attendance devices ADM100 and ADM-100FP.

Affected Systems and Versions

The affected products include ADM100 and ADM-100FP by Saho, with specific vulnerable versions mentioned.

ADM100: Versions 0.0.4.0, 0.0.4.3, 0.0.4.6, 0.0.4.8, Q20100602, T17041702, T18051803, and T190
ADM-100FP: Versions Q20100602, T17041702, T18051803, and T190

Exploitation Mechanism

The CVE enables unauthenticated remote attackers to exploit insufficient file type filtering, allowing them to upload arbitrary files and execute malicious commands, compromising system integrity and disrupting service.

Mitigation and Prevention

In this section, we outline the mitigation strategies and preventive measures for CVE-2023-38029.

Immediate Steps to Take

Users of ADM100 and ADM-100FP devices should immediately contact support from Saho to address and remediate this security vulnerability.

Long-Term Security Practices

Implementing secure coding practices, conducting regular security assessments, and keeping systems updated with the latest patches are essential for long-term security.

Patching and Updates

Stay informed about security bulletins and updates from Saho to ensure that your devices are protected against known vulnerabilities.