CVE-2023-38712

MEDIUM

Libreswan 3.x-4.x < 4.12 - Denial of Service via IKEv1 ISAKMP SA Informational Exchange

Title source: llm
STIX 2.1

Description

An issue was discovered in Libreswan 3.x and 4.x before 4.12. When an IKEv1 ISAKMP SA Informational Exchange packet contains a Delete/Notify payload followed by further Notifies that act on the ISAKMP SA, such as a duplicated Delete/Notify message, a NULL pointer dereference on the deleted state causes the pluto daemon to crash and restart.

References (2)

Core 2
Core References

Scores

CVSS v3 6.5
EPSS 0.0069
EPSS Percentile 48.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-476
Status published
Products (1)
libreswan/libreswan 3.0 - 4.0
Published Aug 25, 2023
Tracked Since Feb 18, 2026