SB2024091239 - Remote denial of service when handling UDP packets in Cisco IOS XR software



SB2024091239 - Remote denial of service when handling UDP packets in Cisco IOS XR software

Published: September 12, 2024

Security Bulletin ID SB2024091239
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) Memory leak (CVE-ID: CVE-2024-20304)

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak within the multicast traceroute version 2 (Mtrace2) feature. A remote attacker can send specially crafted UDP packets to the affected device and perform denial of service attack.


Remediation

Install update from vendor's website.