CVE-2024-3652

IKEv1 default AH/ESP responder can cause libreswan to abort and restart

Medium · published April 11, 2024

CVSS v3.1
6.5
EPSS
1%
Percentile
56.1
In the wild
Unconfirmed
What it is

The Libreswan Project was notified of an issue causing libreswan to restart when using IKEv1 without specifying an esp= line. When the peer requests AES-GMAC, libreswan's default proposal handler causes an assertion failure and crashes and restarts. IKEv2 connections are not affected.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00800 · 56.1th percentile
Published
2024-04-11T01:32Z
EPSS history
Timeline
  • 11 APR 01:32Z
    IKEv1 default AH/ESP responder can cause libreswan to abort and restart
    cvelistv5