CVE-2023-50916 Explained : Impact and Mitigation
Learn about CVE-2023-50916 in Kyocera Device Manager, exposing NTLM credentials via UNC path authentication. Find impact, technical details, and mitigation steps here.
Kyocera Device Manager before 3.1.1213.0 allows NTLM credential exposure during UNC path authentication via a crafted change from a local path to a UNC path. Learn more about the impact, technical details, and mitigation steps below.
Understanding CVE-2023-50916
This section covers the details of the CVE-2023-50916 vulnerability.
What is CVE-2023-50916?
The CVE-2023-50916 vulnerability in Kyocera Device Manager allows NTLM credential exposure during UNC path authentication, potentially leading to credential relaying or cracking attacks.
The Impact of CVE-2023-50916
The vulnerability could allow malicious actors to intercept and modify requests to set UNC paths for the backup location, potentially compromising NTLM credentials in the process.
Technical Details of CVE-2023-50916
Explore the technical aspects of CVE-2023-50916 below.
Vulnerability Description
Kyocera Device Manager before version 3.1.1213.0 is susceptible to NTLM credential exposure when attempting to authenticate to a UNC path for the backup location configuration. The use of UNC paths can result in unauthorized access to NTLM hashes.
Affected Systems and Versions
The vulnerability affects Kyocera Device Manager versions prior to 3.1.1213.0.
Exploitation Mechanism
By intercepting and modifying requests or sending requests directly to the application endpoint, attackers can set UNC paths for the backup location, potentially leading to NTLM credential relaying or cracking attacks.
Mitigation and Prevention
Discover how to mitigate the risks posed by CVE-2023-50916 below.
Immediate Steps to Take
Administrators should update Kyocera Device Manager to version 3.1.1213.0 or newer and avoid configuring UNC paths for the backup location to prevent NTLM credential exposure.
Long-Term Security Practices
Implement network segmentation, strong access controls, and monitoring to prevent unauthorized access to sensitive UNC paths and credentials.
Patching and Updates
Regularly apply security patches and updates provided by Kyocera to address vulnerabilities like CVE-2023-50916.