Vulnerability Report

CVE-2023-38711

Title: Libreswan IKEv1 Quick Mode ID_FQDN NULL pointer dereference

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2023-38711.

CWE Category CWE-476

Published Date Aug 25, 2023

Modified Date Nov 21, 2024

Exploit Status Not Found

Score 6.5 CVSS v3.1

Exploit Probability (EPSS)

0.11%

Vulnerability Summary

CVE-2023-38711: An issue was discovered in Libreswan before 4.12. When an IKEv1 Quick Mode connection configured with ID_IPV4_ADDR or ID_IPV6_ADDR receives an IDcr payload with ID_FQDN, a NULL pointer dereference causes a crash and restart of the pluto daemon. NOTE: the earliest affected version is 4.6.

Impacted Vendors

libreswan 1

Reference Links

https://github.com/libreswan/libreswan/tags https://libreswan.org/security/CVE-2023-38711/ https://github.com/libreswan/libreswan/tags https://libreswan.org/security/CVE-2023-38711/

CVSS v3.1

Source Entity [email protected]

Severity MEDIUM

6.5

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:L/UI:N/S:U/C:N/I:N/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2023-38711 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

November 21, 2024 MODIFIED

Vulnerability data or affected products updated.

August 25, 2023 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:L/UI:N/S:U/C:N/I:N/A:H

Affected Stack

No specific products linked.