VulnerabilityModified

CVE-2022-23094

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.

HIGH 7.5EPSS 2.52%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.52%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

CVSS 3.1: 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 2.52% probability · 84th percentile
CISA KEV: Not listed
Weakness: CWE-476
Affected: libreswan/libreswan · fedoraproject/fedora · debian/debian linux
Source: cve@mitre.org

References

https://github.com/libreswan/libreswan/issues/585Exploit, Issue Tracking, Third Party Advisory
https://libreswan.org/security/CVE-2022-23094Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HPMIHAXWQUJAPCIGNJ5J5Q6ASWQBU7T5/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UFZ7WP5LNNBW5ADIOPDSPQ23SXZJRNMP/
https://www.debian.org/security/2022/dsa-5048Third Party Advisory
https://github.com/libreswan/libreswan/issues/585Exploit, Issue Tracking, Third Party Advisory
https://libreswan.org/security/CVE-2022-23094Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HPMIHAXWQUJAPCIGNJ5J5Q6ASWQBU7T5/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UFZ7WP5LNNBW5ADIOPDSPQ23SXZJRNMP/
https://www.debian.org/security/2022/dsa-5048Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.