Release of invalid pointer or reference in Junos OS and Junos OS Evolved - CVE-2022-22177
Published: January 17, 2022
Vulnerability identifier: #VU59634
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-22177
CWE-ID: CWE-763
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to release of illegal memory vulnerability in the snmpd daemon. A remote attacker can send specially SNMP packets to the snmpd daemon and crash it, resulting in a denial of service (DoS) attack.
Note, all SNMP version requests are affected.
Affected software
Junos OS
Junos OS Evolved
Junos OS Evolved
How to mitigate CVE-2022-22177
Install updates from vendor's website.
Junos OS - addressed in versions 12.3R12-S20, 15.1R7-S11, 18.3R3-S6, 18.4R2-S9, 18.4R3-S10, 19.1R2-S3, 19.1R3-S7, 19.2R1-S8, 19.2R3-S4, 19.3R3-S4, 19.4R2-S5, 19.4R3-S6, 20.1R3-S2, 20.2R3-S3, 20.3R3-S1, 20.4R3, 21.1R2-S2, 21.1R3, 21.2R1-S2, 21.2R2, 21.3R1
Junos OS Evolved - addressed in versions 21.2R3-EVO, 21.3R2-EVO, 21.4R1-EVO
Junos OS Evolved - addressed in versions 21.2R3-EVO, 21.3R2-EVO, 21.4R1-EVO