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RHSA-2023:2126: Red Hat Security Advisory: libreswan security update

An update for libreswan is now available for Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions. 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

Related CVEs:

  • CVE-2023-30570: A vulnerability was found in the libreswan library. This security issue occurs when an IKEv1 Aggressive Mode packet is received with only unacceptable crypto algorithms, and the response packet is not sent with a zero responder SPI. When a subsequent packet is received where the sender reuses the libreswan responder SPI as its own initiator SPI, the pluto daemon state machine crashes. No remote code execution is possible.
Red Hat Security Data
#vulnerability#mac#linux#red_hat#rce#auth#sap

Issued:

2023-05-04

Updated:

2023-05-04

RHSA-2023:2126 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: libreswan security update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for libreswan is now available for Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions.

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.

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.

Affected Products

  • Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.1 ppc64le
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.1 x86_64

Fixes

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

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.1

SRPM

libreswan-3.29-7.el8_1.2.src.rpm

SHA-256: dbf1174a6357f84cf1bef779a965ae8cf4b2e6f00df44cab402a7dfdade92a53

ppc64le

libreswan-3.29-7.el8_1.2.ppc64le.rpm

SHA-256: 033c286ab6127296773fca9fe0934c0f8aacd17ea6bd21bf63a904596d4a0849

libreswan-debuginfo-3.29-7.el8_1.2.ppc64le.rpm

SHA-256: ffe1a93fd37677e883aff57b9109cb2c7a548ca944ca5e74c421143c3ea91830

libreswan-debugsource-3.29-7.el8_1.2.ppc64le.rpm

SHA-256: 87f6921aa01a6682d453c28b59a99bf597a1f7115942fe194785ef1357999dce

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.1

SRPM

libreswan-3.29-7.el8_1.2.src.rpm

SHA-256: dbf1174a6357f84cf1bef779a965ae8cf4b2e6f00df44cab402a7dfdade92a53

x86_64

libreswan-3.29-7.el8_1.2.x86_64.rpm

SHA-256: ad40dcfbaba47b5a0f6e630d2b14857d47101846ff5eff4dd26fc774311f245a

libreswan-debuginfo-3.29-7.el8_1.2.x86_64.rpm

SHA-256: 61bec41315ec59538d25704b9228989ba71436a3052880719a019e3c31b14f11

libreswan-debugsource-3.29-7.el8_1.2.x86_64.rpm

SHA-256: f4d59a3f4ccec4fa1f0c02014ac6d05681e52e43ef3f93ee24302b2fb1f5523d

The Red Hat security contact is [email protected]. More contact details at https://access.redhat.com/security/team/contact/.

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