CVE-2024-3652

MEDIUM

libreswan 3.22-4.15 - Denial of Service via IKEv1 Default Proposal Handler

Title source: llm

Description

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.

References (2)

Core 2

Core References

Mailing List

http://www.openwall.com/lists/oss-security/2024/04/18/2

Third Party Advisory vendor-advisory

https://libreswan.org/security/CVE-2024-3652

Scores

CVSS v3 6.5

EPSS 0.0080

EPSS Percentile 51.7%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-404

Status published

Products (1)

libreswan/libreswan 3.22 - 4.15

Published Apr 11, 2024

Tracked Since Feb 18, 2026