CVE-2023-44197 : Vulnerability Insights and Analysis

A detailed overview of the CVE-2023-44197 vulnerability affecting Junos OS and Junos OS Evolved by Juniper Networks.

Understanding CVE-2023-44197

This section dives into the vulnerability's description, impact, affected systems and versions, exploitation mechanism, and mitigation methods.

What is CVE-2023-44197?

An Out-of-Bounds Write vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved can allow a network-based attacker to trigger a Denial of Service (DoS) attack.

The Impact of CVE-2023-44197

The vulnerability can lead to an rpd crash and restart on devices while processing BGP route updates received over a BGP session.

Technical Details of CVE-2023-44197

Explore the specifics of the vulnerability, including its description, affected systems, and how it can be exploited.

Vulnerability Description

The issue affects devices configured with a BGP peer and an import policy containing specific match conditions for IPv4 and/or IPv6 prefixes.

Affected Systems and Versions

Junos OS versions prior to 20.4R3-S8 and Junos OS Evolved versions prior to 20.4R3-S8-EVO are impacted.

Exploitation Mechanism

Juniper SIRT has not detected any malicious exploitation related to CVE-2023-44197.

Mitigation and Prevention

Discover immediate steps to take and long-term security practices to safeguard systems against this vulnerability.

Immediate Steps to Take

Update affected software releases to resolve the issue, including specific versions for Junos OS and Junos OS Evolved.

Long-Term Security Practices

Implement regular patching and updates to mitigate potential risks and ensure system security.