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CVE-2023-28981

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

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 20.3R3-S5, 21.1R3-S4, 21.2R3, 21.3R3, 21.4R2, and 5 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • Juniper Networks Junos OS

    From 20.3 · fixed in 20.3R3-S5; From 21.1 · fixed in 21.1R3-S4; From 21.2 · fixed in 21.2R3; From 21.3 · fixed in 21.3R3; From 21.4 · fixed in 21.4R2; From 22.1 · fixed in 22.1R2

  • Juniper Networks Junos OS Evolved

    From 20.3R1-EVO; From 20.4-EVO · fixed in 20.4R3-S6-EVO; From 21.3-EVO · fixed in 21.3R3-EVO; From 21.4-EVO · fixed in 21.4R2-EVO; From 22.1-EVO · fixed in 22.1R2-EVO

References 1

supportportal.juniper.net