CVE-2023-44176 Explained : Impact and Mitigation

A Stack-based Buffer Overflow vulnerability in the CLI command of Juniper Networks Junos OS allows a low privileged attacker to execute specific commands, leading to Denial of Service (DoS).

Understanding CVE-2023-44176

This CVE involves a vulnerability in Juniper Networks Junos OS that could allow attackers to launch Denial of Service attacks.

What is CVE-2023-44176?

It is a Stack-based Buffer Overflow vulnerability in Juniper Networks Junos OS that permits attackers to execute CLI commands, resulting in DoS.

The Impact of CVE-2023-44176

Exploitation of this vulnerability could lead to a sustained Denial of Service condition, affecting the performance and availability of the Junos OS.

Technical Details of CVE-2023-44176

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability allows a low privileged attacker to run specific CLI commands, triggering a DoS condition in Juniper Networks Junos OS.

Affected Systems and Versions

Junos OS versions prior to 20.4R3-S8, 21.2R3-S6, 21.3R3-S5, 22.1R3-S3, 22.3R3, and 22.4R3 are affected by this vulnerability.

Exploitation Mechanism

At the time of publication, there have been no reported cases of malicious exploitation of this vulnerability.

Mitigation and Prevention

To safeguard systems from CVE-2023-44176, follow these mitigation practices.

Immediate Steps to Take

Implement access lists or firewall filters to restrict CLI access to trusted hosts and administrators.

Long-Term Security Practices

Regularly update Junos OS to the patched versions indicated below and adhere to security best practices.

Patching and Updates

Juniper Networks released patches for the following Junos OS versions to address this vulnerability: 20.4R3-S8, 21.2R3-S6, 21.3R3-S5, 22.1R3-S3, 22.3R3, 22.4R3, 23.2R1, and subsequent releases.