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RHSA-2023:2124: Red Hat Security Advisory: libreswan security update

An update for libreswan is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.2 Telecommunications Update Service, and Red Hat Enterprise Linux 8.2 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.
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Issued:

2023-05-04

Updated:

2023-05-04

RHSA-2023:2124 - 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 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.2 Telecommunications Update Service, and Red Hat Enterprise Linux 8.2 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 - AUS 8.2 x86_64
  • Red Hat Enterprise Linux Server - TUS 8.2 x86_64
  • Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.2 ppc64le
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.2 x86_64

Fixes

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

Red Hat Enterprise Linux Server - AUS 8.2

SRPM

libreswan-3.29-7.el8_2.2.src.rpm

SHA-256: bd28831b89fc26a95bffbd17738516830e949e65ab87a0fa1b2726faf31fb7ac

x86_64

libreswan-3.29-7.el8_2.2.x86_64.rpm

SHA-256: 3cd5d44558386381f5c4b17277280f7b2d6d2ce30bfc267f67bb8db1431cab82

libreswan-debuginfo-3.29-7.el8_2.2.x86_64.rpm

SHA-256: 0c16bdc12446930331d951fce2e1d92505356bd405071c28914a498066f26431

libreswan-debugsource-3.29-7.el8_2.2.x86_64.rpm

SHA-256: 9b3b445e86b692f8e1b149b8ddceb074fd45f820a46cdb2b91fb9fca206d7c41

Red Hat Enterprise Linux Server - TUS 8.2

SRPM

libreswan-3.29-7.el8_2.2.src.rpm

SHA-256: bd28831b89fc26a95bffbd17738516830e949e65ab87a0fa1b2726faf31fb7ac

x86_64

libreswan-3.29-7.el8_2.2.x86_64.rpm

SHA-256: 3cd5d44558386381f5c4b17277280f7b2d6d2ce30bfc267f67bb8db1431cab82

libreswan-debuginfo-3.29-7.el8_2.2.x86_64.rpm

SHA-256: 0c16bdc12446930331d951fce2e1d92505356bd405071c28914a498066f26431

libreswan-debugsource-3.29-7.el8_2.2.x86_64.rpm

SHA-256: 9b3b445e86b692f8e1b149b8ddceb074fd45f820a46cdb2b91fb9fca206d7c41

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.2

SRPM

libreswan-3.29-7.el8_2.2.src.rpm

SHA-256: bd28831b89fc26a95bffbd17738516830e949e65ab87a0fa1b2726faf31fb7ac

ppc64le

libreswan-3.29-7.el8_2.2.ppc64le.rpm

SHA-256: dd66a81e90a3b718e663ace8a208dbf8ccd23f58499cdb44eb8da1d0618773d1

libreswan-debuginfo-3.29-7.el8_2.2.ppc64le.rpm

SHA-256: 5a4cff15bd5e20fe9db27d7360b14de485e18979a37ea0d4a638b83114f3c97a

libreswan-debugsource-3.29-7.el8_2.2.ppc64le.rpm

SHA-256: df7dfed6d8130a80d610a67b33b1f44694d4b657274184eba7cfa75f6eb07621

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.2

SRPM

libreswan-3.29-7.el8_2.2.src.rpm

SHA-256: bd28831b89fc26a95bffbd17738516830e949e65ab87a0fa1b2726faf31fb7ac

x86_64

libreswan-3.29-7.el8_2.2.x86_64.rpm

SHA-256: 3cd5d44558386381f5c4b17277280f7b2d6d2ce30bfc267f67bb8db1431cab82

libreswan-debuginfo-3.29-7.el8_2.2.x86_64.rpm

SHA-256: 0c16bdc12446930331d951fce2e1d92505356bd405071c28914a498066f26431

libreswan-debugsource-3.29-7.el8_2.2.x86_64.rpm

SHA-256: 9b3b445e86b692f8e1b149b8ddceb074fd45f820a46cdb2b91fb9fca206d7c41

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

Related news

CVE-2023-30570

pluto in Libreswan before 4.11 allows a denial of service (responder SPI mishandling and daemon crash) via unauthenticated IKEv1 Aggressive Mode packets. The earliest affected version is 3.28.

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Red Hat Security Advisory 2023-2124-01

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RHSA-2023:2120: Red Hat Security Advisory: libreswan security update

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