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RHEL 9 : libreswan (RHSA-2024:2085)

medium Nessus Plugin ID 194880

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Synopsis

The remote Red Hat host is missing a security update for libreswan.

Description

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2024:2085 advisory.

 - 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. (CVE-2024-2357)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL libreswan package based on the guidance in RHSA-2024:2085.

See Also

https://access.redhat.com/errata/RHSA-2024:2085

https://access.redhat.com/security/cve/CVE-2024-2357

Plugin Details

Severity: Medium

ID: 194880

File Name: redhat-RHSA-2024-2085.nasl

Version: 1.1

Type: local

Agent: unix

Published: 4/30/2024

Updated: 5/2/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

CVSS Score Source: CVE-2024-2357

CVSS v3

Risk Factor: Medium

Base Score: 5

Temporal Score: 4.4

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:redhat:rhel_e4s:9.2, cpe:/o:redhat:rhel_aus:9.2, p-cpe:/a:redhat:enterprise_linux:libreswan, cpe:/o:redhat:rhel_eus:9.2

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 4/30/2024

Vulnerability Publication Date: 3/11/2024

Reference Information

CVE: CVE-2024-2357

CWE: 400

RHSA: 2024:2085