An Improper Handling of Exceptional Conditions vulnerability in routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a local, low-privileged attacker executing a CLI command to cause a Denial of Service (DoS).
When asregex-optimized is configured and a specific "show route as-path" CLI command is executed, the rpd crashes and restarts. Repeated execution of this command will cause a sustained DoS condition. This issue affects Junos OS:
and Junos OS Evolved:
| Software | From | Fixed in |
|---|---|---|
| juniper / junos | - | 21.2 |
| juniper / junos | 21.2 | 21.2.x |
| juniper / junos | 21.2-r1 | 21.2-r1.x |
| juniper / junos | 21.2-r1-s1 | 21.2-r1-s1.x |
| juniper / junos | 21.2-r1-s2 | 21.2-r1-s2.x |
| juniper / junos | 21.2-r2 | 21.2-r2.x |
| juniper / junos | 21.2-r2-s1 | 21.2-r2-s1.x |
| juniper / junos | 21.2-r2-s2 | 21.2-r2-s2.x |
| juniper / junos | 21.2-r3 | 21.2-r3.x |
| juniper / junos | 21.2-r3-s1 | 21.2-r3-s1.x |
| juniper / junos | 21.2-r3-s2 | 21.2-r3-s2.x |
| juniper / junos | 21.2-r3-s3 | 21.2-r3-s3.x |
| juniper / junos | 21.2-r3-s4 | 21.2-r3-s4.x |
| juniper / junos | 21.2-r3-s5 | 21.2-r3-s5.x |
| juniper / junos | 21.2-r3-s6 | 21.2-r3-s6.x |
| juniper / junos | 21.2-r3-s7 | 21.2-r3-s7.x |
| juniper / junos | 21.2-r3-s8 | 21.2-r3-s8.x |
| juniper / junos | 21.4 | 21.4.x |
| juniper / junos | 21.4-r1 | 21.4-r1.x |
| juniper / junos | 21.4-r1-s1 | 21.4-r1-s1.x |
| juniper / junos | 21.4-r1-s2 | 21.4-r1-s2.x |
| juniper / junos | 21.4-r2 | 21.4-r2.x |
| juniper / junos | 21.4-r2-s1 | 21.4-r2-s1.x |
| juniper / junos | 21.4-r2-s2 | 21.4-r2-s2.x |
| juniper / junos | 21.4-r3 | 21.4-r3.x |
| juniper / junos | 21.4-r3-s1 | 21.4-r3-s1.x |
| juniper / junos | 21.4-r3-s2 | 21.4-r3-s2.x |
| juniper / junos | 21.4-r3-s3 | 21.4-r3-s3.x |
| juniper / junos | 21.4-r3-s4 | 21.4-r3-s4.x |
| juniper / junos | 21.4-r3-s5 | 21.4-r3-s5.x |
| juniper / junos | 21.4-r3-s6 | 21.4-r3-s6.x |
| juniper / junos | 21.4-r3-s7 | 21.4-r3-s7.x |
| juniper / junos | 21.4-r3-s8 | 21.4-r3-s8.x |
| juniper / junos | 21.4-r3-s9 | 21.4-r3-s9.x |
| juniper / junos | 22.2 | 22.2.x |
| juniper / junos | 22.2-r1 | 22.2-r1.x |
| juniper / junos | 22.2-r1-s1 | 22.2-r1-s1.x |
| juniper / junos | 22.2-r1-s2 | 22.2-r1-s2.x |
| juniper / junos | 22.2-r2 | 22.2-r2.x |
| juniper / junos | 22.2-r2-s1 | 22.2-r2-s1.x |
| juniper / junos | 22.2-r2-s2 | 22.2-r2-s2.x |
| juniper / junos | 22.2-r3 | 22.2-r3.x |
| juniper / junos | 22.2-r3-s1 | 22.2-r3-s1.x |
| juniper / junos | 22.2-r3-s2 | 22.2-r3-s2.x |
| juniper / junos | 22.2-r3-s3 | 22.2-r3-s3.x |
| juniper / junos | 22.2-r3-s4 | 22.2-r3-s4.x |
| juniper / junos | 22.2-r3-s5 | 22.2-r3-s5.x |
| juniper / junos | 22.4 | 22.4.x |
| juniper / junos | 22.4-r1 | 22.4-r1.x |
| juniper / junos | 22.4-r1-s1 | 22.4-r1-s1.x |
| juniper / junos | 22.4-r1-s2 | 22.4-r1-s2.x |
| juniper / junos | 22.4-r2 | 22.4-r2.x |
| juniper / junos | 22.4-r2-s1 | 22.4-r2-s1.x |
| juniper / junos | 22.4-r2-s2 | 22.4-r2-s2.x |
| juniper / junos | 22.4-r3 | 22.4-r3.x |
| juniper / junos | 22.4-r3-s1 | 22.4-r3-s1.x |
| juniper / junos | 22.4-r3-s2 | 22.4-r3-s2.x |
| juniper / junos | 22.4-r3-s3 | 22.4-r3-s3.x |
| juniper / junos | 22.4-r3-s4 | 22.4-r3-s4.x |
| juniper / junos | 22.4-r3-s5 | 22.4-r3-s5.x |
| juniper / junos | 23.2 | 23.2.x |
| juniper / junos | 23.2-r1 | 23.2-r1.x |
| juniper / junos | 23.2-r1-s1 | 23.2-r1-s1.x |
| juniper / junos | 23.2-r1-s2 | 23.2-r1-s2.x |
| juniper / junos | 23.2-r2 | 23.2-r2.x |
| juniper / junos | 23.2-r2-s1 | 23.2-r2-s1.x |
| juniper / junos | 23.2-r2-s2 | 23.2-r2-s2.x |
| juniper / junos | 23.4 | 23.4.x |
| juniper / junos | 23.4-r1 | 23.4-r1.x |
| juniper / junos | 23.4-r1-s1 | 23.4-r1-s1.x |
| juniper / junos | 23.4-r1-s2 | 23.4-r1-s2.x |
| juniper / junos | 23.4-r2 | 23.4-r2.x |
| juniper / junos | 23.4-r2-s1 | 23.4-r2-s1.x |
| juniper / junos | 23.4-r2-s2 | 23.4-r2-s2.x |
| juniper / junos | 23.4-r2-s3 | 23.4-r2-s3.x |
| juniper / junos | 24.2 | 24.2.x |
| juniper / junos | 24.2-r1 | 24.2-r1.x |
| juniper / junos | 24.2-r1-s1 | 24.2-r1-s1.x |
| juniper / junos | 24.2-r1-s2 | 24.2-r1-s2.x |
| juniper / junos_os_evolved | - | 21.2 |
| juniper / junos_os_evolved | 21.2 | 21.2.x |
| juniper / junos_os_evolved | 21.2-r1 | 21.2-r1.x |
| juniper / junos_os_evolved | 21.2-r1-s1 | 21.2-r1-s1.x |
| juniper / junos_os_evolved | 21.2-r1-s2 | 21.2-r1-s2.x |
| juniper / junos_os_evolved | 21.2-r2 | 21.2-r2.x |
| juniper / junos_os_evolved | 21.2-r2-s1 | 21.2-r2-s1.x |
| juniper / junos_os_evolved | 21.2-r2-s2 | 21.2-r2-s2.x |
| juniper / junos_os_evolved | 21.2-r3 | 21.2-r3.x |
| juniper / junos_os_evolved | 21.2-r3-s1 | 21.2-r3-s1.x |
| juniper / junos_os_evolved | 21.2-r3-s2 | 21.2-r3-s2.x |
| juniper / junos_os_evolved | 21.2-r3-s3 | 21.2-r3-s3.x |
| juniper / junos_os_evolved | 21.2-r3-s4 | 21.2-r3-s4.x |
| juniper / junos_os_evolved | 21.2-r3-s5 | 21.2-r3-s5.x |
| juniper / junos_os_evolved | 21.2-r3-s6 | 21.2-r3-s6.x |
| juniper / junos_os_evolved | 21.2-r3-s7 | 21.2-r3-s7.x |
| juniper / junos_os_evolved | 21.2-r3-s8 | 21.2-r3-s8.x |
| juniper / junos_os_evolved | 21.4 | 21.4.x |
| juniper / junos_os_evolved | 21.4-r1 | 21.4-r1.x |
| juniper / junos_os_evolved | 21.4-r1-s1 | 21.4-r1-s1.x |
| juniper / junos_os_evolved | 21.4-r1-s2 | 21.4-r1-s2.x |
| juniper / junos_os_evolved | 21.4-r2 | 21.4-r2.x |
| juniper / junos_os_evolved | 21.4-r2-s1 | 21.4-r2-s1.x |
| juniper / junos_os_evolved | 21.4-r2-s2 | 21.4-r2-s2.x |
| juniper / junos_os_evolved | 21.4-r3 | 21.4-r3.x |
| juniper / junos_os_evolved | 21.4-r3-s1 | 21.4-r3-s1.x |
| juniper / junos_os_evolved | 21.4-r3-s2 | 21.4-r3-s2.x |
| juniper / junos_os_evolved | 21.4-r3-s3 | 21.4-r3-s3.x |
| juniper / junos_os_evolved | 21.4-r3-s4 | 21.4-r3-s4.x |
| juniper / junos_os_evolved | 21.4-r3-s5 | 21.4-r3-s5.x |
| juniper / junos_os_evolved | 21.4-r3-s6 | 21.4-r3-s6.x |
| juniper / junos_os_evolved | 21.4-r3-s7 | 21.4-r3-s7.x |
| juniper / junos_os_evolved | 21.4-r3-s8 | 21.4-r3-s8.x |
| juniper / junos_os_evolved | 21.4-r3-s9 | 21.4-r3-s9.x |
| juniper / junos_os_evolved | 22.2 | 22.2.x |
| juniper / junos_os_evolved | 22.2-r1 | 22.2-r1.x |
| juniper / junos_os_evolved | 22.2-r1-s1 | 22.2-r1-s1.x |
| juniper / junos_os_evolved | 22.2-r1-s2 | 22.2-r1-s2.x |
| juniper / junos_os_evolved | 22.2-r2 | 22.2-r2.x |
| juniper / junos_os_evolved | 22.2-r2-s1 | 22.2-r2-s1.x |
| juniper / junos_os_evolved | 22.2-r2-s2 | 22.2-r2-s2.x |
| juniper / junos_os_evolved | 22.2-r3 | 22.2-r3.x |
| juniper / junos_os_evolved | 22.2-r3-s1 | 22.2-r3-s1.x |
| juniper / junos_os_evolved | 22.2-r3-s2 | 22.2-r3-s2.x |
| juniper / junos_os_evolved | 22.2-r3-s3 | 22.2-r3-s3.x |
| juniper / junos_os_evolved | 22.2-r3-s4 | 22.2-r3-s4.x |
| juniper / junos_os_evolved | 22.2-r3-s5 | 22.2-r3-s5.x |
| juniper / junos_os_evolved | 22.4 | 22.4.x |
| juniper / junos_os_evolved | 22.4-r1 | 22.4-r1.x |
| juniper / junos_os_evolved | 22.4-r1-s1 | 22.4-r1-s1.x |
| juniper / junos_os_evolved | 22.4-r1-s2 | 22.4-r1-s2.x |
| juniper / junos_os_evolved | 22.4-r2 | 22.4-r2.x |
| juniper / junos_os_evolved | 22.4-r2-s1 | 22.4-r2-s1.x |
| juniper / junos_os_evolved | 22.4-r2-s2 | 22.4-r2-s2.x |
| juniper / junos_os_evolved | 22.4-r3 | 22.4-r3.x |
| juniper / junos_os_evolved | 22.4-r3-s1 | 22.4-r3-s1.x |
| juniper / junos_os_evolved | 22.4-r3-s2 | 22.4-r3-s2.x |
| juniper / junos_os_evolved | 22.4-r3-s3 | 22.4-r3-s3.x |
| juniper / junos_os_evolved | 22.4-r3-s4 | 22.4-r3-s4.x |
| juniper / junos_os_evolved | 22.4-r3-s5 | 22.4-r3-s5.x |
| juniper / junos_os_evolved | 23.2 | 23.2.x |
| juniper / junos_os_evolved | 23.2-r1 | 23.2-r1.x |
| juniper / junos_os_evolved | 23.2-r1-s1 | 23.2-r1-s1.x |
| juniper / junos_os_evolved | 23.2-r1-s2 | 23.2-r1-s2.x |
| juniper / junos_os_evolved | 23.2-r2 | 23.2-r2.x |
| juniper / junos_os_evolved | 23.2-r2-s1 | 23.2-r2-s1.x |
| juniper / junos_os_evolved | 23.2-r2-s2 | 23.2-r2-s2.x |
| juniper / junos_os_evolved | 23.4 | 23.4.x |
| juniper / junos_os_evolved | 23.4-r1 | 23.4-r1.x |
| juniper / junos_os_evolved | 23.4-r1-s1 | 23.4-r1-s1.x |
| juniper / junos_os_evolved | 23.4-r1-s2 | 23.4-r1-s2.x |
| juniper / junos_os_evolved | 23.4-r2 | 23.4-r2.x |
| juniper / junos_os_evolved | 23.4-r2-s1 | 23.4-r2-s1.x |
| juniper / junos_os_evolved | 23.4-r2-s2 | 23.4-r2-s2.x |
| juniper / junos_os_evolved | 23.4-r2-s3 | 23.4-r2-s3.x |
| juniper / junos_os_evolved | 24.2 | 24.2.x |
| juniper / junos_os_evolved | 24.2-r1 | 24.2-r1.x |
| juniper / junos_os_evolved | 24.2-r1-s2 | 24.2-r1-s2.x |