CVEvulnerability
CVE-2022-23094
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2022-01-15
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-476
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 configurations
• libreswan libreswan (>= 4.2 < 4.6)
• fedoraproject fedora 34
• fedoraproject fedora 35
• debian debian linux 10.0
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- https://github.com/libreswan/libreswan/issues/585 Exploit, Issue Tracking, Third Party Advisory
- https://libreswan.org/security/CVE-2022-23094 Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HPMIHAXWQUJAPCIGNJ5J5Q6ASWQBU7T5/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UFZ7WP5LNNBW5ADIOPDSPQ23SXZJRNMP/ lists.fedoraproject.org
- https://www.debian.org/security/2022/dsa-5048 Third Party Advisory
- https://github.com/libreswan/libreswan/issues/585 Exploit, Issue Tracking, Third Party Advisory
- https://libreswan.org/security/CVE-2022-23094 Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HPMIHAXWQUJAPCIGNJ5J5Q6ASWQBU7T5/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UFZ7WP5LNNBW5ADIOPDSPQ23SXZJRNMP/ lists.fedoraproject.org
- https://www.debian.org/security/2022/dsa-5048 Third Party Advisory