QID 44191

juniper Junos is the network operating system used in Juniper Networks hardware systems.

An Improper Handling of Exceptional Conditions vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a network-based, unauthenticated attacker to send a specific routing update, causing an rpd core due to memory corruption, leading to a Denial of Service (DoS).

Affected Juniper Networks Junos OS versions:
all versions before 20.4R3-S10,
from 21.2 before 21.2R3-S8,
from 21.3 before 21.3R3,
from 21.4 before 21.4R3,
from 22.1 before 22.1R2;

QID detection logic: (Authenticated)
This QID checks for vulnerable Junos OS version.

QID detection logic: (Unauthenticated)
This QID checks SNMP banner for vulnerable version of JunOS.

Successful exploitation of this vulnerability may allow an unauthenticated networked attacker to cause Denial of Service (DoS).