Vulnerability Report

CVE-2022-23094

Title: Libreswan NULL pointer dereference in IKEv1 packet handling

Denial of Service

Proof Of Concept

No public PoC currently indexed for CVE-2022-23094.

CWE Category CWE-476
Published Date Jan 15, 2022
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 7.5 CVSS v3.1
Exploit Probability (EPSS)
1.48%

Vulnerability Summary

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. This is fixed in 4.6.

Impacted Vendors

L
libreswan 1

Reference Links

https://github.com/libreswan/libreswan/issues/585 https://libreswan.org/security/CVE-2022-23094 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-5048 https://github.com/libreswan/libreswan/issues/585 https://libreswan.org/security/CVE-2022-23094 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-5048
CVSS v3.1
Source Entity [email protected]
Severity HIGH
7.5
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
5.0
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2022-23094 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Stack

No specific products linked.