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OpenAdvisories
Medium · 6.5 CVE-2023-28981 EUVD-2023-32599GHSA-pjch-863f-79m3

Junos OS and Junos OS Evolved: If malformed IPv6 router advertisements are received, memory corruption will occur which causes an rpd crash

Published Apr 17, 2023 · Updated Feb 5, 2025 · Assigned by juniper

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

VendorProductAffectedFixed
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

References