CVE-2023-47613 : Security Advisory and Response

A CWE-23 vulnerability, known as Relative Path Traversal, has been identified in several Telit Cinterion products, potentially enabling a local, low-privileged attacker to access protected files on the system. This article delves into the specifics of CVE-2023-47613 and provides insights into mitigation strategies.

Understanding CVE-2023-47613

This section explores the impact, technical details, and mitigation strategies related to CVE-2023-47613.

What is CVE-2023-47613?

The CVE-2023-47613 vulnerability, classified under CWE-23, exists in various Telit Cinterion products, allowing attackers to breach security boundaries and gain unauthorized access to sensitive files.

The Impact of CVE-2023-47613

The vulnerability poses a medium-risk threat with a CVSS base score of 4.4. Attackers with low privileges can exploit this flaw to read/write protected data, potentially compromising confidentiality and integrity.

Technical Details of CVE-2023-47613

This section delves into the vulnerability description, affected systems, and exploitation mechanisms associated with CVE-2023-47613.

Vulnerability Description

The flaw enables local attackers to escape virtual directories, leading to unauthorized access to critical system files on Telit Cinterion products such as BGS5, EHS5/6/8, PDS5/6/8, ELS61/81, and PLS62.

Affected Systems and Versions

Telit Cinterion devices including BGS5, EHS5, EHS6, EHS8, PDS5, PDS6, PDS8, ELS61, ELS81, and PLS62 are impacted by CVE-2023-47613, potentially exposing them to security risks.

Exploitation Mechanism

Attackers can utilize the Relative Path Traversal vulnerability to escape virtual directories and gain read/write access to protected system files, compromising the overall security posture.

Mitigation and Prevention

This section outlines immediate steps to mitigate the vulnerability and establishes long-term security practices to safeguard against similar threats.

Immediate Steps to Take

To address CVE-2023-47613, enforce application signature verification and control physical access to Telit Cinterion devices during transportation to prevent backdoor insertion.

Long-Term Security Practices

Implement strict security controls, conduct regular security assessments, and educate users on best practices to enhance the overall security posture.

Patching and Updates

Stay informed about security updates from Telit Cinterion, deploy patches promptly, and follow vendor recommendations to mitigate the vulnerability effectively.