SB2024101133 - Denial of service in Junos OS and Junos OS Evolved rpd



SB2024101133 - Denial of service in Junos OS and Junos OS Evolved rpd

Published: October 11, 2024

Security Bulletin ID SB2024101133
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) Improper Check for Unusual or Exceptional Conditions (CVE-ID: CVE-2024-47507)

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

The vulnerability exists due to improper error handling in the routing protocol daemon (rpd) when handling BGP update messages. A remote attacker can send specially crafted BGP update message, which contains the aggregator attribute with an ASN value of zero (0), and cause issues for the downstream BGP peers receiving this.


Remediation

Install update from vendor's website.