CVE-2022-23094

2022-01-1502:15:06

Debian Security Bug Tracker

security-tracker.debian.org

libreswan

ikev1

null pointer

denial of service

4.2-4.5

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.02

Percentile

89.1%

JSON

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.

OSVersionArchitecturePackageVersionFilename
Debian12alllibreswan< 4.6-1libreswan_4.6-1_all.deb
Debian11alllibreswan< 4.3-1+deb11u1libreswan_4.3-1+deb11u1_all.deb
Debian999alllibreswan< 4.6-1libreswan_4.6-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	libreswan	< 4.6-1	libreswan_4.6-1_all.deb
Debian	11	all	libreswan	< 4.3-1+deb11u1	libreswan_4.3-1+deb11u1_all.deb
Debian	999	all	libreswan	< 4.6-1	libreswan_4.6-1_all.deb