CVE-2023-38712

Published: 25 August 2023

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.

Priority

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package	Release	Status
libreswan Launchpad, Ubuntu, Debian	trusty	Ignored (end of standard support)
	xenial	Ignored (end of standard support)
	bionic	Needs triage
	focal	Needs triage
	jammy	Needs triage
	lunar	Needs triage
	upstream	Needs triage

Severity score breakdown

Parameter	Value
Base score	7.5
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

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