CVE-2024-2357

IKEv2 misconfiguration can cause libreswan to abort and restart

State
Published
Severity
6.5 Medium
Published
Mar 11, 2024
Updated
Feb 13, 2025
Reserved
Mar 9, 2024

Read the record on cve.org

Description

The Libreswan Project was notified of an issue causing libreswan to restart under some IKEv2 retransmit scenarios when a connection is configured to use PreSharedKeys (authby=secret) and the connection cannot find a matching configured secret. When such a connection is automatically added on startup using the auto= keyword, it can cause repeated crashes leading to a Denial of Service.

Scores

CVSSScoreVectorSource
3.16.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HCISA-ADP

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
libreswanThe Libreswan Project (www.libreswan.org)
  • 3.0 through 4.1Not affected
  • 4.2 through 4.12Affected
  • 5.0Not affected

References

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