Improper check for unusual or exceptional conditions in Junos OS - CVE-2023-22393
Published: January 11, 2023
Vulnerability identifier: #VU82481
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-2023-22393
CWE-ID: CWE-754
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 check for unusual or exceptional conditions error in BGP route processing. A remote non-authenticated attacker can cause Routing Protocol Daemon (RPD) crash by sending a BGP route with invalid next-hop resulting in a Denial of Service (DoS).
Affected software
Junos OS
How to mitigate CVE-2023-22393
Install updates from vendor's website.
Junos OS - addressed in versions 21.1R3-S4, 21.2R3-S3, 21.3R3-S2, 21.4R2-S2, 21.4R3, 22.1R1-S2, 22.1R2, 22.2R1-S1, 22.2R2, 22.3R1