Resource Exhaustion Affecting libreswan package, versions <0:4.12-1.el9_3.1


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.05% (18th percentile)

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  • Snyk IDSNYK-CENTOS9-LIBRESWAN-6445987
  • published15 Mar 2024
  • disclosed11 Mar 2024

Introduced: 11 Mar 2024

CVE-2024-2357  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade Centos:9 libreswan to version 0:4.12-1.el9_3.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libreswan package and not the libreswan package as distributed by Centos. See How to fix? for Centos:9 relevant fixed versions and status.

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.

CVSS Scores

version 3.1