Libreswan up to 4.11 IKEv1 Repeat IKE SA Delete null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Libreswan up to 4.11. It has been declared as problematic. Impacted is an unknown function of the component IKEv1 Repeat IKE SA Delete Handler. Such manipulation leads to null pointer dereference. This vulnerability is listed as CVE-2023-38712. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Libreswan up to 4.11. Affected by this issue is some unknown processing of the component IKEv1 Repeat IKE SA Delete Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability.

The weakness was presented 08/09/2023. The advisory is shared for download at libreswan.org. This vulnerability is handled as CVE-2023-38712 since 07/24/2023. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 211987 (RHEL 9 : libreswan (RHSA-2024:10594)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.12 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (211987), EUVD (EUVD-2023-42487) and CERT Bund (WID-SEC-2023-2853). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • Open Source CentOS
  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • Gentoo Linux
  • Red Hat OpenShift
  • Meinberg LANTIME

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 211987
Nessus Name: RHEL 9 : libreswan (RHSA-2024:10594)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Libreswan 4.12

Timelineinfo

07/24/2023 🔍
08/09/2023 +16 days 🔍
08/09/2023 +0 days 🔍
01/20/2026 +895 days 🔍

Sourcesinfo

Advisory: libreswan.org
Status: Confirmed

CVE: CVE-2023-38712 (🔍)
GCVE (CVE): GCVE-0-2023-38712
GCVE (VulDB): GCVE-100-236648
EUVD: 🔍
CERT Bund: WID-SEC-2023-2853 - Red Hat Enterprise Linux: Mehrere Schwachstellen

Entryinfo

Created: 08/09/2023 11:57
Updated: 01/20/2026 02:51
Changes: 08/09/2023 11:57 (38), 09/02/2023 14:53 (1), 09/02/2023 14:56 (11), 12/02/2024 19:01 (17), 01/02/2026 03:03 (7), 01/20/2026 02:51 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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