SB2023062279 - Denial of service in Junos OS and Junos OS Evolved rpd



SB2023062279 - Denial of service in Junos OS and Junos OS Evolved rpd

Published: June 22, 2023 Updated: October 4, 2023

Security Bulletin ID SB2023062279
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 security vulnerability.


1) Input validation error (CVE-ID: CVE-2023-0026)

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

The vulnerability exists due to insufficient validation of user-supplied input in the Routing Protocol Daemon (rpd) when processing BGP update messages. A remote attacker can send a specially crafted BGP update message over an established BGP session and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.