CVE-2023-32347 : Vulnerability Insights and Analysis

Teltonika's Remote Management System versions prior to 4.10.0 are vulnerable to an improper authentication issue that could allow an attacker to execute arbitrary commands as root. This CVE was discovered by Roni Gavrilov and reported by OTORIO.

Understanding CVE-2023-32347

This CVE involves a security flaw in Teltonika's Remote Management System that can be exploited to authenticate as a device using its serial number and MAC address, leading to potential credential theft and arbitrary command execution.

What is CVE-2023-32347?

Teltonika's Remote Management System versions before 4.10.0 utilize device serial numbers and MAC addresses for device identification, which can be abused by attackers to steal communication credentials and execute unauthorized commands as root.

The Impact of CVE-2023-32347

The vulnerability poses a high risk, with a CVSS base score of 8.1, affecting the availability of the system. An attacker could exploit this flaw to compromise device security and gain unauthorized access.

Technical Details of CVE-2023-32347

This section provides an overview of the vulnerability, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

Teltonika's Remote Management System relies on device serial numbers and MAC addresses for authentication, which can be manipulated by attackers to impersonate devices and gain unauthorized access.

Affected Systems and Versions

The issue affects Teltonika's Remote Management System versions prior to 4.10.0, specifically those using device serial numbers and MAC addresses for identification.

Exploitation Mechanism

By obtaining the serial number and MAC address of a device, an attacker can authenticate as that device, steal its communication credentials, and execute arbitrary commands as root through management options.

Mitigation and Prevention

To safeguard against CVE-2023-32347, it is crucial to take immediate steps and implement long-term security practices, including patching and updates.

Immediate Steps to Take

Upgrade Teltonika's Remote Management System to version 4.10.0 or higher to mitigate the vulnerability.
Monitor network traffic for any suspicious activities related to unauthorized access.

Long-Term Security Practices

Implement strong authentication mechanisms to prevent unauthorized access to devices.
Regularly update and patch systems to address security vulnerabilities promptly.

Patching and Updates

Teltonika has released version 4.10.0 as a fix for CVE-2023-32347. Ensure all systems are updated to the latest version to enhance security.