An Improper Input Validation vulnerability in the routing protocol daemon (rpd) of Juniper Networks allows an attacker to cause a Denial of Service (DoS )to the device upon receiving and processing a specific malformed ISO VPN BGP UPDATE packet. Continued receipt of this packet will cause a sustained Denial of Service condition. This issue affects: * Juniper Networks Junos OS: * All versions prior to 20.4R3-S6; * 21.1 versions prior to 21.1R3-S5; * 21.2 versions prior to 21.2R3-S4; * 21.3 versions prior to 21.3R3-S3; * 21.4 versions prior to 21.4R3-S3; * 22.1 versions prior to 22.1R2-S2, 22.1R3; * 22.2 versions prior to 22.2R2-S1, 22.2R3; * 22.3 versions prior to 22.3R1-S2, 22.3R2. Juniper Networks Junos OS Evolved: * All versions prior to 20.4R3-
The following software releases have been updated to resolve this specific issue: Junos OS: 20.4R3-S6, 21.1R3-S5, 21.2R3-S4, 21.3R3-S3, 21.4R3-S3, 22.1R2-S2, 22.1R3, 22.2R2-S1, 22.2R3, 22.3R1-S2, 22.3R2, 22.4R1, and all subsequent releases. Junos OS Evolved: 20.4R3-S6-EVO, 21.2R3-S4-EVO, 21.3R3-S3-EVO, 21.4R3-S3-EVO, 22.1R3-EVO, 22.2R2-S1-EVO, 22.2R3-EVO, 22.3R1-S2-EVO, 22.3R2-EVO, 22.4R1-EVO, and all subsequent releases.
There are no known workarounds for this issue.
| Product | Vulnerable range | Fixed version | Advisory |
|---|---|---|---|
| Juniper Networks Junos OS | <20.4R3-S6 | 20.4R3-S6 | advisory ↗ |
| Juniper Networks Junos OS | >=21.1<21.1R3-S5 | 21.1R3-S5 | advisory ↗ |
| Juniper Networks Junos OS | >=21.2<21.2R3-S4 | 21.2R3-S4 | advisory ↗ |
| Juniper Networks Junos OS | >=21.3<21.3R3-S3 | 21.3R3-S3 | advisory ↗ |
| Juniper Networks Junos OS | >=21.4<21.4R3-S3 | 21.4R3-S3 | advisory ↗ |
| Juniper Networks Junos OS | >=22.1<22.1R2-S2, 22.1R3 | 22.1R2-S2, 22.1R3 | advisory ↗ |
| Juniper Networks Junos OS | >=22.2<22.2R2-S1, 22.2R3 | 22.2R2-S1, 22.2R3 | advisory ↗ |
| Juniper Networks Junos OS | >=22.3<22.3R1-S2, 22.3R2 | 22.3R1-S2, 22.3R2 | advisory ↗ |
| Juniper Networks Junos OS Evolved | <20.4R3-S6-EVO | 20.4R3-S6-EVO | advisory ↗ |
| Juniper Networks Junos OS Evolved | >=21.1R1-EVO<21.1*-EVO | 21.1*-EVO | advisory ↗ |
| Juniper Networks Junos OS Evolved | >=21.2-EVO<21.2R3-S4-EVO | 21.2R3-S4-EVO | advisory ↗ |
| Juniper Networks Junos OS Evolved | >=21.3-EVO<21.3R3-S3-EVO | 21.3R3-S3-EVO | advisory ↗ |
| Juniper Networks Junos OS Evolved | >=21.4-EVO<21.4R3-S3-EVO | 21.4R3-S3-EVO | advisory ↗ |
| Juniper Networks Junos OS Evolved | >=22.1-EVO<22.1R3-EVO | 22.1R3-EVO | advisory ↗ |
| Juniper Networks Junos OS Evolved | >=22.2-EVO<22.2R2-S1-EVO, 22.2R3-EVO | 22.2R2-S1-EVO, 22.2R3-EVO | advisory ↗ |
| Juniper Networks Junos OS Evolved | >=22.3-EVO<22.3R1-S2-EVO, 22.3R2-EVO | 22.3R1-S2-EVO, 22.3R2-EVO | advisory ↗ |