Certain types of malformed Path Computation Element Protocol (PCEP) packets when received and processed by a Juniper Networks Junos OS device serving as a Path Computation Client (PCC) in a PCEP environment using Juniper's path computational element protocol daemon (pccd) process allows an attacker to cause the pccd process to crash and generate a core file thereby causing a Denial of Service (DoS). Continued receipt of this family of malformed PCEP packets will cause an extended Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS: 15.1 versions prior to 15.1F6-S13, 15.1R7-S4; 15.1X49 versions prior to 15.1X49-D180 on SRX Series; 15.1X53 versions prior to 15.1X53-D238, 15.1X53-D496, 15.1X53-D592; 16.1 versions prior to 16.1R7-S4; 16.2 versions prior to 16.2R2-S
The following software releases have been updated to resolve this specific issue: 15.1F6-S13, 15.1R7-S4, 15.1X49-D180, 15.1X53-D238, 15.1X53-D496, 15.1X53-D592, 16.1R7-S4, 16.2R2-S9, 17.1R2-S11, 17.1R3, 17.2R1-S9, 17.2R3-S2, 17.3R3-S3, 17.4R2-S2, 17.4R2-S4, 17.4R3, 18.1R3-S2, 18.2R2-S6, 18.2R3, 18.2X75-D40, 18.3R2, 18.4R1-S2, 18.4R2, 19.1R1, and all subsequent releases.
There are no viable workarounds for this issue.
| Product | Vulnerable range | Fixed version | Advisory |
|---|---|---|---|
| Juniper Networks Junos OS | >=15.1<15.1F6-S13, 15.1R7-S4 | 15.1F6-S13, 15.1R7-S4 | advisory ↗ |
| Juniper Networks Junos OS | >=15.1X49<15.1X49-D180 | 15.1X49-D180 | advisory ↗ |
| Juniper Networks Junos OS | >=15.1X53<15.1X53-D238, 15.1X53-D496, 15.1X53-D592 | 15.1X53-D238, 15.1X53-D496, 15.1X53-D592 | advisory ↗ |
| Juniper Networks Junos OS | >=16.1<16.1R7-S4 | 16.1R7-S4 | advisory ↗ |
| Juniper Networks Junos OS | >=16.2<16.2R2-S9 | 16.2R2-S9 | advisory ↗ |
| Juniper Networks Junos OS | >=17.1<17.1R2-S11, 17.1R3 | 17.1R2-S11, 17.1R3 | advisory ↗ |
| Juniper Networks Junos OS | >=17.2<17.2R1-S9, 17.2R3-S2 | 17.2R1-S9, 17.2R3-S2 | advisory ↗ |
| Juniper Networks Junos OS | >=17.3<17.3R3-S3 | 17.3R3-S3 | advisory ↗ |
| Juniper Networks Junos OS | >=17.4<17.4R2-S2, 17.4R3 | 17.4R2-S2, 17.4R3 | advisory ↗ |
| Juniper Networks Junos OS | >=18.1<18.1R3-S2 | 18.1R3-S2 | advisory ↗ |
| Juniper Networks Junos OS | >=18.3<18.2R2-S6, 18.3R2 | 18.2R2-S6, 18.3R2 | advisory ↗ |
| Juniper Networks Junos OS | >=18.2<18.2R3 | 18.2R3 | advisory ↗ |
| Juniper Networks Junos OS | >=18.2X75<18.2X75-D40 | 18.2X75-D40 | advisory ↗ |
| Juniper Networks Junos OS | >=18.4<18.4R1-S2, 18.4R2 | 18.4R1-S2, 18.4R2 | advisory ↗ |