RedHat: RHSA-2023-2125:01 Important: libreswan security update
Summary
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.
Summary
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
References
https://access.redhat.com/security/cve/CVE-2023-30570 https://access.redhat.com/security/updates/classification/#important
Package List
Red Hat Enterprise Linux AppStream EUS (v.8.4):
Source:
libreswan-4.3-6.el8_4.1.src.rpm
aarch64:
libreswan-4.3-6.el8_4.1.aarch64.rpm
libreswan-debuginfo-4.3-6.el8_4.1.aarch64.rpm
libreswan-debugsource-4.3-6.el8_4.1.aarch64.rpm
ppc64le:
libreswan-4.3-6.el8_4.1.ppc64le.rpm
libreswan-debuginfo-4.3-6.el8_4.1.ppc64le.rpm
libreswan-debugsource-4.3-6.el8_4.1.ppc64le.rpm
s390x:
libreswan-4.3-6.el8_4.1.s390x.rpm
libreswan-debuginfo-4.3-6.el8_4.1.s390x.rpm
libreswan-debugsource-4.3-6.el8_4.1.s390x.rpm
x86_64:
libreswan-4.3-6.el8_4.1.x86_64.rpm
libreswan-debuginfo-4.3-6.el8_4.1.x86_64.rpm
libreswan-debugsource-4.3-6.el8_4.1.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/
![Dist Redhat](/images/distros/dist-redhat.png)
Topic
An update for libreswan is now available for Red Hat Enterprise Linux 8.4Extended Update Support.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.
Topic
Relevant Releases Architectures
Red Hat Enterprise Linux AppStream EUS (v.8.4) - aarch64, ppc64le, s390x, x86_64
Bugs Fixed
2187165 - CVE-2023-30570 libreswan: Malicious IKEv1 Aggressive Mode packets can crash libreswan