Input validation error in Junos OS - CVE-2022-22163
Published: January 13, 2022
Vulnerability identifier: #VU59586
CSH Severity: Low
CVSS v4: 7.1 [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]
CVE-ID: CVE-2022-22163
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in the Juniper DHCP daemon (jdhcpd). A remote attacker on the local network can pass specially crafted packets to the jdhcpd daemon and crash it.
Affected software
Junos OS
How to mitigate CVE-2022-22163
Install updates from vendor's website.
Junos OS - addressed in versions 15.1R7-S11, 18.4R3-S9, 19.1R2-S3, 19.1R3-S7, 19.2R1-S8, 19.2R3-S3, 19.4R3-S5, 20.1R3-S1, 20.2R3-S2, 20.3R3-S1, 20.4R3, 21.1R2, 21.1R3, 21.2R2, 21.3R1