SB2023030121 - Denial of service in libreswan



SB2023030121 - Denial of service in libreswan

Published: March 1, 2023 Updated: March 1, 2023

Security Bulletin ID SB2023030121
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) Reachable Assertion (CVE-ID: CVE-2023-23009)

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

The vulnerability exists due to a reachable assertion. A remote attacker can pass a specially crafted IKEv2 TS payload with an incorrect selector length and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.