CVE-2022-22177 – Junos OS and Junos OS Evolved: After receiving a specific number of crafted packets snmpd will segmentation fault (SIGSEGV) requiring a manual restart.

https://notcve.org/view.php?id=CVE-2022-22177

A release of illegal memory vulnerability in the snmpd daemon of Juniper Networks Junos OS, Junos OS Evolved allows an attacker to halt the snmpd daemon causing a sustained Denial of Service (DoS) to the service until it is manually restarted. This issue impacts any version of SNMP – v1,v2, v3 This issue affects: Juniper Networks Junos OS 12.3 versions prior to 12.3R12-S20; 15.1 versions prior to 15.1R7-S11; 18.3 versions prior to 18.3R3-S6; 18.4 versions prior to 18.4R2-S9, 18.4R3-S10; 19.1 versions prior to 19.1R2-S3, 19.1R3-S7; 19.2 versions prior to 19.2R1-S8, 19.2R3-S4; 19.3 versions prior to 19.3R3-S4; 19.4 versions prior to 19.4R2-S5, 19.4R3-S6; 20.1 versions prior to 20.1R3-S2; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S1; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R2-S2, 21.1R3; 21.2 versions prior to 21.2R1-S2, 21.2R2. Juniper Networks Junos OS Evolved 21.2 versions prior to 21.2R3-EVO; 21.3 versions prior to 21.3R2-EVO. Una vulnerabilidad de liberación de memoria ilegal en el demonio snmpd de Juniper Networks Junos OS, Junos OS Evolved permite a un atacante detener el demonio snmpd causando una denegación de servicio (DoS) sostenida al servicio hasta que sea reiniciada manualmente. Este problema afecta a cualquier versión de SNMP: v1, v2, v3: Juniper Networks Junos OS 12.3 versiones anteriores a 12.3R12-S20; 15.1 versiones anteriores a 15.1R7-S11; 18.3 versiones anteriores a 18.3R3-S6; 18.4 versiones anteriores a 18.4R2-S9, 18.4R3-S10; 19.1 versiones anteriores a 19.1R2-S3, 19.1R3-S7; 19.2 versiones anteriores a 19.2R1-S8, 19.2R3-S4; 19. 3 versiones anteriores a 19.3R3-S4; 19.4 versiones anteriores a 19.4R2-S5, 19.4R3-S6; 20.1 versiones anteriores a 20.1R3-S2; versiones 20.2 anteriores a 20.2R3-S3; versiones 20.3 anteriores a 20.3R3-S1; versiones 20.4 anteriores a 20.4R3; versiones 21.1 anteriores a 21.1R2-S2, 21.1R3; 21.2 versiones anteriores a 21.2R1-S2, 21.2R2. • https://kb.juniper.net/JSA11283 https://www.juniper.net/documentation/us/en/software/junos/network-mgmt/topics/ref/statement/client-list-edit-snmp.html • CWE-755: Improper Handling of Exceptional Conditions •