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Red Hat Enterprise Linux 9 RHSA-2023:2633-01 Moderate DoS Fix for Libreswan

red hat
Calendar Grey May 9, 2023
Dist Redhat Esm H88
An updated version of Libreswan has been released for Red Hat Enterprise Linux 9, addressing vulnerabilities with a moderate severity rating and a fix for a remote denial of service issue.
An update for libreswan is now available for Red Hat Enterprise Linux 9

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

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: remote DoS via crafted TS payload with an incorrect selector length (CVE-2023-23009)
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.

References

https://access.redhat.com/security/cve/CVE-2023-23009 https://access.redhat.com/security/updates/classification#moderate

Package List

Red Hat Enterprise Linux AppStream (v. 9):
Source: libreswan-4.9-2.el9_2.src.rpm
aarch64: libreswan-4.9-2.el9_2.aarch64.rpm libreswan-debuginfo-4.9-2.el9_2.aarch64.rpm libreswan-debugsource-4.9-2.el9_2.aarch64.rpm
ppc64le: libreswan-4.9-2.el9_2.ppc64le.rpm libreswan-debuginfo-4.9-2.el9_2.ppc64le.rpm libreswan-debugsource-4.9-2.el9_2.ppc64le.rpm
s390x: libreswan-4.9-2.el9_2.s390x.rpm libreswan-debuginfo-4.9-2.el9_2.s390x.rpm libreswan-debugsource-4.9-2.el9_2.s390x.rpm
x86_64: libreswan-4.9-2.el9_2.x86_64.rpm libreswan-debuginfo-4.9-2.el9_2.x86_64.rpm libreswan-debugsource-4.9-2.el9_2.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


Advisory ID: RHSA-2023:2633-01
Product: Red Hat Enterprise Linux
Issue date: 2023-05-09

Topic

An update for libreswan is now available for Red Hat Enterprise Linux 9.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 9) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

2173610 - CVE-2023-23009 libreswan: remote DoS via crafted TS payload with an incorrect selector length

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