CVE-2022-23094

Published: Jan 15, 2022Modified: Nov 21, 2024

7.5

Vector

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

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

Libreswan 4.2 through 4.5 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted IKEv1 packet because pluto/ikev1.c wrongly expects that a state object exists. This is fixed in 4.6.

Affected (4)

Products: Libreswan: Libreswan · Fedoraproject: Fedora · Debian: Debian Linux

1 product

1 product

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Libreswan Libreswan	From 4.2 to 4.6

Configuration B

2 vulnerable

Vulnerable Software	Affected Versions
Fedoraproject Fedora	Version 34
Fedoraproject Fedora	Version 35

Configuration C

1 vulnerable

Vulnerable Software	Affected Versions
Debian Debian Linux	Version 10.0

Related CWEs

CWE-476

NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

References (10)

https://github.com/libreswan/libreswan/issues/585

Source: cve@mitre.org

ExploitIssue TrackingThird Party Advisory

https://libreswan.org/security/CVE-2022-23094

Source: cve@mitre.org

Third Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HPMIHAXWQUJAPCIGNJ5J5Q6ASWQBU7T5/

Source: cve@mitre.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UFZ7WP5LNNBW5ADIOPDSPQ23SXZJRNMP/

Source: cve@mitre.org

https://www.debian.org/security/2022/dsa-5048

Source: cve@mitre.org

Third Party Advisory

https://github.com/libreswan/libreswan/issues/585