CVE-2023-38712: Null Pointer Dereference
First published: Fri Aug 25 2023(Updated: )
An issue was discovered in Libreswan 3.x and 4.x before 4.12. When an IKEv1 ISAKMP SA Informational Exchange packet contains a Delete/Notify payload followed by further Notifies that act on the ISAKMP SA, such as a duplicated Delete/Notify message, a NULL pointer dereference on the deleted state causes the pluto daemon to crash and restart.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Libreswan Libreswan | >=3.0<4.0 | |
| Libreswan Libreswan | >=4.0<4.12 |
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Reference Links
Frequently Asked Questions
What is CVE-2023-38712?
CVE-2023-38712 is a vulnerability discovered in Libreswan 3.x and 4.x before 4.12 that can lead to a NULL pointer dereference.
What is the severity of CVE-2023-38712?
The severity of CVE-2023-38712 is high, with a CVSS score of 7.5.
Which software versions are affected by CVE-2023-38712?
The vulnerability affects Libreswan versions 3.x to 4.0 and 4.0 to 4.11.
How can I fix CVE-2023-38712?
To fix CVE-2023-38712, update Libreswan to version 4.12 or later.
Where can I find more information about CVE-2023-38712?
You can find more information about CVE-2023-38712 on the Libreswan GitHub page and the official Libreswan security advisory.
- collector/nvd-index
- collector/nvd-api
- agent/references
- agent/severity
- agent/weakness
- agent/author
- agent/type
- agent/description
- agent/event
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- agent/tags
- collector/mitre-cve
- source/MITRE
- vendor/libreswan
- canonical/libreswan libreswan
- version/libreswan libreswan/3.0
- version/libreswan libreswan/4.0