[RHSA-2023:2123-01] Important: libreswan security update

[Security announcements for all Red Hat products and services.]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: libreswan security update
Advisory ID:       RHSA-2023:2123-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2023:2123
Issue date:        2023-05-04
CVE Names:         CVE-2023-30570 
=====================================================================

1. Summary:

An update for libreswan is now available for Red Hat Enterprise Linux 8.6
Extended Update Support.

Red Hat Product Security has rated this update as having a security impact
of Important. 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.8.6) - aarch64, ppc64le, s390x, x86_64

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: Malicious IKEv1 Aggressive Mode packets can crash libreswan
(CVE-2023-30570)

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/):

2187165 - CVE-2023-30570 libreswan: Malicious IKEv1 Aggressive Mode packets can crash libreswan

6. Package List:

Red Hat Enterprise Linux AppStream EUS (v.8.6):

Source:
libreswan-4.5-1.el8_6.1.src.rpm

aarch64:
libreswan-4.5-1.el8_6.1.aarch64.rpm
libreswan-debuginfo-4.5-1.el8_6.1.aarch64.rpm
libreswan-debugsource-4.5-1.el8_6.1.aarch64.rpm

ppc64le:
libreswan-4.5-1.el8_6.1.ppc64le.rpm
libreswan-debuginfo-4.5-1.el8_6.1.ppc64le.rpm
libreswan-debugsource-4.5-1.el8_6.1.ppc64le.rpm

s390x:
libreswan-4.5-1.el8_6.1.s390x.rpm
libreswan-debuginfo-4.5-1.el8_6.1.s390x.rpm
libreswan-debugsource-4.5-1.el8_6.1.s390x.rpm

x86_64:
libreswan-4.5-1.el8_6.1.x86_64.rpm
libreswan-debuginfo-4.5-1.el8_6.1.x86_64.rpm
libreswan-debugsource-4.5-1.el8_6.1.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2023-30570
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert at redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2023 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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=o9zU
-----END PGP SIGNATURE-----