SB20231107124 - Denial of service in FRRouting



SB20231107124 - Denial of service in FRRouting

Published: November 7, 2023

Security Bulletin ID SB20231107124
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-2023-38406)

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 bgpd/bgp_flowspec.c. A remote attacker can send specially crafted input to the application and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.