Improper input validation in Junos OS - CVE-2023-44192
Published: October 17, 2023
Vulnerability identifier: #VU82114
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-44192
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation error in the Packet Forwarding Engine when pseudo-VTEP (Virtual Tunnel End Point) is configured under EVPN-VXLAN scenario. A remote non-authenticated attacker can perform a denial of service (DoS) attack.
The vulnerability affects all QFX5000 series platforms.
Affected software
Junos OS
How to mitigate CVE-2023-44192
Install updates from vendor's website.
Junos OS - addressed in versions 20.4R3-S6, 21.1R3-S5, 21.2R3-S5, 21.3R3-S4, 21.4R3-S3, 22.1R3-S2, 22.2R2-S2, 22.2R3, 22.3R2-S1, 22.3R3, 22.4R1-S2, 22.4R2, 23.2R1