SB2022011232 - Denial of service in Junos OS and Junos OS Evolved rpd

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2022011232

SB2022011232 - Denial of service in Junos OS and Junos OS Evolved rpd

Published: January 12, 2022

Security Bulletin ID SB2022011232
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper Initialization (CVE-ID: CVE-2022-22169)

CWE-ID: CWE-665 - Improper Initialization

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper initialization in the routing protocol daemon (rpd) . A remote attacker can send specific packets in certain orders and at specific timings to force OSPFv3 to unexpectedly enter graceful-restart (GR helper mode) even though there is not any Grace-LSA received in OSPFv3 causing a Denial of Service (DoS)


Remediation

Install update from vendor's website.

References