CVE-2023-44175 : What You Need to Know

A Reachable Assertion vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows attackers to send specific PIM packets, causing rpd to crash and resulting in a Denial of Service (DoS) condition.

Understanding CVE-2023-44175

This vulnerability affects Juniper Networks Junos OS and Junos OS Evolved, leading to a DoS condition when specific genuine PIM packets are sent to the device.

What is CVE-2023-44175?

A Reachable Assertion vulnerability in rpd of Juniper Networks Junos OS and Junos OS Evolved allows for a DoS attack by sending specific PIM packets that crash the daemon.

The Impact of CVE-2023-44175

The exploitation of this vulnerability can lead to a sustained DoS condition on affected devices, disrupting network operations and services.

Technical Details of CVE-2023-44175

Vulnerability Description

The vulnerability allows attackers to crash the rpd by sending specific PIM packets, resulting in a DoS condition.

Affected Systems and Versions

Junos OS versions prior to 20.4R3-S7, 21.1R3-S4, 21.2R3-S5, 21.3R3-S4, 21.4R3-S4, 22.1R3-S4, 22.2R3, 22.3R3, and 22.4R3 are affected. Junos OS Evolved versions prior to 22.3R3-EVO, 22.4R3-EVO, and 23.2R1-EVO are also impacted.

Exploitation Mechanism

No known malicious exploitation has been reported by Juniper SIRT for this vulnerability.

Mitigation and Prevention

Immediate Steps to Take

Update affected Junos OS and Junos OS Evolved versions to the specified releases provided by Juniper to mitigate the vulnerability.

Long-Term Security Practices

Regularly monitor for security advisories and apply security updates promptly to prevent exposure to known vulnerabilities.

Patching and Updates

Juniper has released updates for Junos OS and Junos OS Evolved to address this vulnerability. Refer to the vendor advisory JSA73141 for detailed information.