A vulnerability in Juniper Networks Junos OS allows an attacker to cause a Denial of Service (DoS) to the device by sending certain crafted protocol packets from an adjacent device with invalid payloads to the device. These crafted packets, which should be discarded, are instead replicated and sent to the RE. Over time, a Denial of Service (DoS) occurs. Continued receipt of these crafted protocol packets will cause an extended Denial of Service (DoS) condition, which may cause wider traffic impact due to protocol flapping. An indication of compromise is to check "monitor interface traffic" on the ingress and egress port packet counts. For each ingress packet, two duplicate packets are seen on egress. This issue can be triggered by IPv4 and IPv6 packets. This issue affects all traffic throu
The following software releases have been updated to resolve this specific issue: 14.1X53-D53, 15.1R7-S6, 16.1R7-S7, 17.1R2-S11, 17.2R3-S3, 17.3R2-S5, 17.3R3-S7, 17.4R2-S9, 17.4R3, 18.1R3-S9, 18.2R3-S3, 18.4R1-S5, 18.4R2-S3, 18.4R3, 19.1R1-S4, 19.1R2-S1, 19.1R3, 19.2R2, 19.3R2-S1, 19.3R3, 19.4R1, and all subsequent releases.
There are no available workarounds for this issue.
| Product | Vulnerable range | Fixed version | Advisory |
|---|---|---|---|
| Juniper Networks Junos OS | >=14.1X53<14.1X53-D53 | 14.1X53-D53 | advisory ↗ |
| Juniper Networks Junos OS | >=15.1<15.1R7-S6 | 15.1R7-S6 | advisory ↗ |
| Juniper Networks Junos OS | >=16.1<16.1R7-S7 | 16.1R7-S7 | advisory ↗ |
| Juniper Networks Junos OS | >=17.1<17.1R2-S11 | 17.1R2-S11 | advisory ↗ |
| Juniper Networks Junos OS | >=17.1<17.1R3-S2 | 17.1R3-S2 | advisory ↗ |
| Juniper Networks Junos OS | >=17.2<17.2R1-S9 | 17.2R1-S9 | advisory ↗ |
| Juniper Networks Junos OS | >=17.2<17.2R3-S3 | 17.2R3-S3 | advisory ↗ |
| Juniper Networks Junos OS | >=17.3<17.3R2-S5, 17.3R3-S7 | 17.3R2-S5, 17.3R3-S7 | advisory ↗ |
| Juniper Networks Junos OS | >=17.4<17.4R2-S9, 17.4R3 | 17.4R2-S9, 17.4R3 | advisory ↗ |
| Juniper Networks Junos OS | >=18.1<18.1R3-S9 | 18.1R3-S9 | advisory ↗ |
| Juniper Networks Junos OS | >=18.2<18.2R2-S7 | 18.2R2-S7 | advisory ↗ |
| Juniper Networks Junos OS | >=18.2<18.2R3-S3 | 18.2R3-S3 | advisory ↗ |
| Juniper Networks Junos OS | >=18.3<18.3R1-S7, 18.3R3-S1 | 18.3R1-S7, 18.3R3-S1 | advisory ↗ |
| Juniper Networks Junos OS | >=18.3<18.3R2-S3 | 18.3R2-S3 | advisory ↗ |
| Juniper Networks Junos OS | >=18.4<18.4R1-S5, 18.4R2-S3, 18.4R3 | 18.4R1-S5, 18.4R2-S3, 18.4R3 | advisory ↗ |
| Juniper Networks Junos OS | >=19.1<19.1R1-S4, 19.1R2-S1, 19.1R3 | 19.1R1-S4, 19.1R2-S1, 19.1R3 | advisory ↗ |
| Juniper Networks Junos OS | >=19.2<19.2R1-S3, 19.2R2 | 19.2R1-S3, 19.2R2 | advisory ↗ |
| Juniper Networks Junos OS | >=19.2<19.2R1-S4, 19.2R2 | 19.2R1-S4, 19.2R2 | advisory ↗ |
| Juniper Networks Junos OS | >=19.3<19.3R1-S1, 19.3R2, 19.3R3 | 19.3R1-S1, 19.3R2, 19.3R3 | advisory ↗ |
| Juniper Networks Junos OS | >=19.3<19.3R2-S1, 19.3R3 | 19.3R2-S1, 19.3R3 | advisory ↗ |