CVE-2020-5789 : Exploit Details and Defense Strategies

Teltonika Gateway TRB245 firmware TRB2_R_00.02.04.3 is vulnerable to Relative Path Traversal, allowing a remote attacker to read arbitrary files on disk.

Understanding CVE-2020-5789

This CVE involves a security vulnerability in Teltonika Gateway TRB245 firmware version TRB2_R_00.02.04.3.

What is CVE-2020-5789?

CVE-2020-5789 is a Relative Path Traversal vulnerability in the Teltonika Gateway TRB245 firmware, enabling a remote, authenticated attacker to access and read arbitrary files on the system.

The Impact of CVE-2020-5789

The vulnerability allows attackers to potentially retrieve sensitive information from the affected system, posing a risk to data confidentiality and integrity.

Technical Details of CVE-2020-5789

Teltonika Gateway TRB245 firmware version TRB2_R_00.02.04.3 is susceptible to Relative Path Traversal.

Vulnerability Description

The flaw permits a remote, authenticated attacker to exploit the firmware and retrieve the contents of arbitrary files on the disk.

Affected Systems and Versions

Teltonika Gateway TRB245 with TRB2_R_00.02.04.3 firmware

Exploitation Mechanism

The attacker needs to be authenticated to the system to exploit this vulnerability and read arbitrary files.

Mitigation and Prevention

To address CVE-2020-5789, follow these steps:

Immediate Steps to Take

Apply security patches provided by Teltonika promptly.
Monitor network traffic for any suspicious activity.
Restrict access to the affected system to authorized personnel only.

Long-Term Security Practices

Regularly update firmware and software to the latest versions.
Conduct security assessments and penetration testing to identify vulnerabilities.

Patching and Updates

Stay informed about security advisories from Teltonika and apply patches as soon as they are released.