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Red Hat: RHSA-2023-5194-01 Important FRR Security Fix for BGP Issue

red hat
Calendar Grey September 18, 2023
Dist Redhat Esm H88
A significant update for frr has been released for Red Hat Enterprise Linux 9, aimed at fixing critical vulnerabilities in the BGP protocol.
An update for frr 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

FRRouting is free software that manages TCP/IP based routing protocols. It supports BGP4, OSPFv2, OSPFv3, ISIS, RIP, RIPng, PIM, NHRP, PBR, EIGRP and BFD.
Security Fix(es):
* frr: Incorrect handling of a error in parsing of an invalid section of a BGP update can de-peer a router (CVE-2023-38802)
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.

Topics%20covered

Topics Covered

security advisory red hat security fix important router frr bypassing

References

https://access.redhat.com/security/cve/CVE-2023-38802 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux AppStream (v. 9):
Source: frr-8.3.1-5.el9_2.2.src.rpm
aarch64: frr-8.3.1-5.el9_2.2.aarch64.rpm frr-debuginfo-8.3.1-5.el9_2.2.aarch64.rpm frr-debugsource-8.3.1-5.el9_2.2.aarch64.rpm
noarch: frr-selinux-8.3.1-5.el9_2.2.noarch.rpm
ppc64le: frr-8.3.1-5.el9_2.2.ppc64le.rpm frr-debuginfo-8.3.1-5.el9_2.2.ppc64le.rpm frr-debugsource-8.3.1-5.el9_2.2.ppc64le.rpm
s390x: frr-8.3.1-5.el9_2.2.s390x.rpm frr-debuginfo-8.3.1-5.el9_2.2.s390x.rpm frr-debugsource-8.3.1-5.el9_2.2.s390x.rpm
x86_64: frr-8.3.1-5.el9_2.2.x86_64.rpm frr-debuginfo-8.3.1-5.el9_2.2.x86_64.rpm frr-debugsource-8.3.1-5.el9_2.2.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


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:5194-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:5194
Issue date: 2023-09-18

Topic

An update for frr is now available for Red Hat Enterprise Linux 9.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.

Topics%20covered

Topics Covered

security advisory red hat security fix important router frr bypassing

Relevant Releases Architectures

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

Bugs Fixed

2230983 - CVE-2023-38802 frr: Incorrect handling of a error in parsing of an invalid section of a BGP update can de-peer a router

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