libreswan: CVSS (Max): 5.0

May 1, 2024

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AUSCERT External Security Bulletin Redistribution

ESB-2024.2757
libreswan security update
1 May 2024

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AusCERT Security Bulletin Summary
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Product: libreswan
Publisher: Red Hat
Operating System: Red Hat
Resolution: Patch/Upgrade
CVE Names: CVE-2024-2357

Original Bulletin:
https://access.redhat.com/errata/RHSA-2024:2081

Comment: CVSS (Max): 5.0 CVE-2024-2357 (CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H)
CVSS Source: Red Hat
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

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Red Hat Security Advisory

Synopsis: Moderate: libreswan security update
Advisory ID: RHSA-2024:2081
Product: Red Hat Enterprise Linux AppStream EUS (v.8.8)
Advisory URL: https://access.redhat.com/errata/RHSA-2024:2081
Issue date: 2024-04-30
CVE Names: CVE-2024-2357
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1. Summary:

An update for libreswan is now available for Red Hat Enterprise Linux 8.8
Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of
Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a
detailed severity rating, is available for each vulnerability from the CVE
link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AppStream EUS (v.8.8) – aarch64, ppc64le, x86_64, s390x

3. Description:

Libreswan is an implementation of IPsec and IKE for Linux. IPsec is the Internet
Protocol Security and uses strong cryptography to provide both authentication
and encryption services. These services allow you to build secure tunnels
through untrusted networks such as virtual private network (VPN).

Security Fix(es):

* libreswan: Missing PreSharedKey for connection can cause crash (CVE-2024-2357)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE page(s)
listed in the References section.

4. Solution:

For details on how to apply this update, which includes the changes described in
this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

2268952 – CVE-2024-2357 – libreswan: Missing PreSharedKey for connection can
cause crash

6. Package List:

Red Hat Enterprise Linux AppStream EUS (v.8.8)

aarch64:
libreswan-0:4.9-3.el8_8.1.aarch64.rpm
libreswan-debuginfo-0:4.9-3.el8_8.1.aarch64.rpm
libreswan-debugsource-0:4.9-3.el8_8.1.aarch64.rpm

ppc64le:
libreswan-0:4.9-3.el8_8.1.ppc64le.rpm
libreswan-debuginfo-0:4.9-3.el8_8.1.ppc64le.rpm
libreswan-debugsource-0:4.9-3.el8_8.1.ppc64le.rpm

s390x:
libreswan-0:4.9-3.el8_8.1.s390x.rpm
libreswan-debuginfo-0:4.9-3.el8_8.1.s390x.rpm
libreswan-debugsource-0:4.9-3.el8_8.1.s390x.rpm

Source:
libreswan-0:4.9-3.el8_8.1.src.rpm

x86_64:
libreswan-0:4.9-3.el8_8.1.x86_64.rpm
libreswan-debuginfo-0:4.9-3.el8_8.1.x86_64.rpm
libreswan-debugsource-0:4.9-3.el8_8.1.x86_64.rpm

7. References:

https://access.redhat.com/security/cve/CVE-2024-2357
https://access.redhat.com/security/updates/classification/#moderate

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