CVE-2023-38712

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.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/libreswan/libreswan/tags	Third Party Advisory
https://libreswan.org/security/CVE-2023-38712/	Third Party Advisory
https://github.com/libreswan/libreswan/tags	Third Party Advisory
https://libreswan.org/security/CVE-2023-38712/	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:libreswan:libreswan::::::::
	cpe:2.3:a:libreswan:libreswan::::::::

History

21 Nov 2024, 08:14

Type	Values Removed	Values Added
Summary		(es) Se ha descubierto un problema en Libreswan 3.x y 4.x antes de 4.12. Cuando un paquete IKEv1 ISAKMP SA Informational Exchange contiene una carga útil Delete/Notify seguida de más Notifies que actúan sobre el ISAKMP SA, como un mensaje Delete/Notify duplicado, una desviación de puntero NULL en el estado eliminado hace que el demonio pluto se bloquee y se reinicie.
References	~~() https://github.com/libreswan/libreswan/tags - Third Party Advisory~~	() https://github.com/libreswan/libreswan/tags - Third Party Advisory
References	~~() https://libreswan.org/security/CVE-2023-38712/ - Third Party Advisory~~	() https://libreswan.org/security/CVE-2023-38712/ - Third Party Advisory

11 Dec 2023, 19:57

Type	Values Removed	Values Added
New CVE

Information

Published : 2023-08-25 21:15

Updated : 2024-11-21 08:14

NVD link : CVE-2023-38712

Mitre link : CVE-2023-38712

CVE.ORG link : CVE-2023-38712

JSON object : View

Products Affected

libreswan

libreswan

CWE

CWE-476

NULL Pointer Dereference

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