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             AUSCERT External Security Bulletin Redistribution             
                                                                           
                               ESB-2024.2537                               
                         libreswan security update                         
                               26 April 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-2024:1998

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-2024:1998
Product:           Red Hat Enterprise Linux AppStream (v. 8)
Advisory URL:      https://access.redhat.com/errata/RHSA-2024:1998
Issue date:        2024-04-23
CVE Names:         CVE-2024-2357
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1. Summary:

An update for libreswan is available for Red Hat Enterprise Linux 8.

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 (v. 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:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, 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 (v. 8)

aarch64:
libreswan-0:4.12-2.el8_9.2.aarch64.rpm
libreswan-debuginfo-0:4.12-2.el8_9.2.aarch64.rpm
libreswan-debugsource-0:4.12-2.el8_9.2.aarch64.rpm

ppc64le:
libreswan-0:4.12-2.el8_9.2.ppc64le.rpm
libreswan-debuginfo-0:4.12-2.el8_9.2.ppc64le.rpm
libreswan-debugsource-0:4.12-2.el8_9.2.ppc64le.rpm

s390x:
libreswan-0:4.12-2.el8_9.2.s390x.rpm
libreswan-debuginfo-0:4.12-2.el8_9.2.s390x.rpm
libreswan-debugsource-0:4.12-2.el8_9.2.s390x.rpm

Source:
libreswan-0:4.12-2.el8_9.2.src.rpm

x86_64:
libreswan-0:4.12-2.el8_9.2.x86_64.rpm
libreswan-debuginfo-0:4.12-2.el8_9.2.x86_64.rpm
libreswan-debugsource-0:4.12-2.el8_9.2.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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