Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2023.5322
frr security and bug fix update
19 September 2023
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: frr
Publisher: Red Hat
Operating System: Red Hat
Resolution: Patch/Upgrade
CVE Names: CVE-2023-38802
Original Bulletin:
https://access.redhat.com/errata/RHSA-2023:5195
Comment: CVSS (Max): 7.5 CVE-2023-38802 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
CVSS Source: Red Hat
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- --------------------------BEGIN INCLUDED TEXT--------------------
- -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
=====================================================================
Red Hat Security Advisory
Synopsis: Important: frr security and bug fix update
Advisory ID: RHSA-2023:5195-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:5195
Issue date: 2023-09-18
CVE Names: CVE-2023-38802
=====================================================================
1. Summary:
An update for frr is now available for Red Hat Enterprise Linux 8.6
Extended Update Support.
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.
2. Relevant releases/architectures:
Red Hat Enterprise Linux AppStream EUS (v.8.6) - aarch64, ppc64le, s390x, x86_64
3. Description:
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.
Bug Fix(es):
* BFD crash in FRR running in MetalLB (BZ#2231830)
4. 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
5. Bugs fixed (https://bugzilla.redhat.com/):
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
2231830 - BFD crash in FRR running in MetalLB [rhel-8.6.0.z]
6. Package List:
Red Hat Enterprise Linux AppStream EUS (v.8.6):
Source:
frr-7.5-11.el8_6.2.src.rpm
aarch64:
frr-7.5-11.el8_6.2.aarch64.rpm
frr-debuginfo-7.5-11.el8_6.2.aarch64.rpm
frr-debugsource-7.5-11.el8_6.2.aarch64.rpm
ppc64le:
frr-7.5-11.el8_6.2.ppc64le.rpm
frr-debuginfo-7.5-11.el8_6.2.ppc64le.rpm
frr-debugsource-7.5-11.el8_6.2.ppc64le.rpm
s390x:
frr-7.5-11.el8_6.2.s390x.rpm
frr-debuginfo-7.5-11.el8_6.2.s390x.rpm
frr-debugsource-7.5-11.el8_6.2.s390x.rpm
x86_64:
frr-7.5-11.el8_6.2.x86_64.rpm
frr-debuginfo-7.5-11.el8_6.2.x86_64.rpm
frr-debugsource-7.5-11.el8_6.2.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/
7. References:
https://access.redhat.com/security/cve/CVE-2023-38802
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2023 Red Hat, Inc.
- -----BEGIN PGP SIGNATURE-----
Version: GnuPG v1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=NZki
- -----END PGP SIGNATURE-----
- --------------------------END INCLUDED TEXT--------------------
You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.
NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members. As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.
NOTE: This is only the original release of the security bulletin. It may
not be updated when updates to the original are made. If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.
Contact information for the authors of the original document is included
in the Security Bulletin above. If you have any questions or need further
information, please contact them directly.
Previous advisories and external security bulletins can be retrieved from:
https://www.auscert.org.au/bulletins/
===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: https://auscert.org.au/gpg-key/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=zPAE
-----END PGP SIGNATURE-----