Description
An Improper Input Validation vulnerability in the kernel of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS). If the receipt of router advertisements is enabled on an interface and a specifically malformed RA packet is received, memory corruption will happen which leads to an rpd crash. This issue affects: Juniper Networks Junos OS 20.3 versions prior to 20.3R3-S5; 20.4 versions prior to 20.4R3-S3; 21.1 versions prior to 21.1R3-S4; 21.2 versions prior to 21.2R3; 21.3 versions prior to 21.3R3; 21.4 versions prior to 21.4R2; 22.1 versions prior to 22.1R2. Juniper Networks Junos OS Evolved 20.3-EVO version 20.3R1-EVO and later versions; 20.4-EVO versions prior to 20.4R3-S6-EVO; 21.3-EVO versions prior to 21.3R3-EVO; 21.4-EVO versions prior to 21.4R2-EVO; 22.1-EVO versions prior to 22.1R2-EVO.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Juniper Networks | Junos OS | 20.3 – < 20.3R3-S5, 20.4 – < 20.4R3-S3, 20.4R3-S6, 21.1 – < 21.1R3-S4, 21.2 – < 21.2R3, 21.3 – < 21.3R3, 21.4 – < 21.4R2, 22.1 – < 22.1R2 | 20.3R3-S5 |
| Juniper Networks | Junos OS Evolved | 20.3R1-EVO – < 20.3-EVO*, 20.4-EVO – < 20.4R3-S6-EVO, 21.3-EVO – < 21.3R3-EVO, 21.4-EVO – < 21.4R2-EVO, 22.1-EVO – < 22.1R2-EVO | 20.3-EVO* |
Advisories 1
- WID-SEC-2023-0951 Juniper Produkte: Mehrere Schwachstellen BSI CERT-Bund (WID) · Apr 16, 2023