Main Vulnerability Database Vulnerabilities #VU82487

#VU82487 Memory leak in Juniper Junos OS - CVE-2023-22395

Published: January 11, 2023

Vulnerability identifier: #VU82487

Vulnerability risk: Medium

CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2023-22395

CWE-ID: CWE-401

Exploitation vector: Adjecent network

Exploit availability: No public exploit available

Vulnerable software:
Juniper Junos OS

Software vendor:
Juniper Networks, Inc.

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

A Missing Release of Memory after Effective Lifetime vulnerability in the kernel of Juniper Networks Junos OS allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS).

In an MPLS scenario specific packets destined to an Integrated Routing and Bridging (irb) interface of the device will cause a buffer (mbuf) to leak.

Remediation

Install updates from vendor's website.

External links

https://supportportal.juniper.net/s/article/2023-01-Security-Bulletin-Junos-OS-In-an-MPLS-scenario-the-processing-of-specific-packets-to-the-device-causes-a-buffer-leak-and-ultimately-a-loss-of-connectivity-CVE-2023-22395