Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2020.1555
gnutls security update
1 May 2020
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: gnutls
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 8
Red Hat Enterprise Linux WS/Desktop 8
Impact/Access: Access Confidential Data -- Remote/Unauthenticated
Reduced Security -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-11501
Reference: ESB-2020.1264
ESB-2020.1234
ESB-2020.1211
Original Bulletin:
https://access.redhat.com/errata/RHSA-2020:1998
- --------------------------BEGIN INCLUDED TEXT--------------------
- -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
=====================================================================
Red Hat Security Advisory
Synopsis: Moderate: gnutls security update
Advisory ID: RHSA-2020:1998-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1998
Issue date: 2020-04-30
CVE Names: CVE-2020-11501
=====================================================================
1. Summary:
An update for gnutls is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact
of Moderate. 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 (v. 8) - aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64
3. Description:
The gnutls packages provide the GNU Transport Layer Security (GnuTLS)
library, which implements cryptographic algorithms and protocols such as
SSL, TLS, and DTLS.
Security Fix(es):
* gnutls: DTLS client hello contains a random value of all zeroes
(CVE-2020-11501)
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.
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/):
1821896 - CVE-2020-11501 gnutls: DTLS client hello contains a random value of all zeroes
6. Package List:
Red Hat Enterprise Linux AppStream (v. 8):
aarch64:
gnutls-c++-3.6.8-10.el8_2.aarch64.rpm
gnutls-c++-debuginfo-3.6.8-10.el8_2.aarch64.rpm
gnutls-dane-3.6.8-10.el8_2.aarch64.rpm
gnutls-dane-debuginfo-3.6.8-10.el8_2.aarch64.rpm
gnutls-debuginfo-3.6.8-10.el8_2.aarch64.rpm
gnutls-debugsource-3.6.8-10.el8_2.aarch64.rpm
gnutls-devel-3.6.8-10.el8_2.aarch64.rpm
gnutls-utils-3.6.8-10.el8_2.aarch64.rpm
gnutls-utils-debuginfo-3.6.8-10.el8_2.aarch64.rpm
ppc64le:
gnutls-c++-3.6.8-10.el8_2.ppc64le.rpm
gnutls-c++-debuginfo-3.6.8-10.el8_2.ppc64le.rpm
gnutls-dane-3.6.8-10.el8_2.ppc64le.rpm
gnutls-dane-debuginfo-3.6.8-10.el8_2.ppc64le.rpm
gnutls-debuginfo-3.6.8-10.el8_2.ppc64le.rpm
gnutls-debugsource-3.6.8-10.el8_2.ppc64le.rpm
gnutls-devel-3.6.8-10.el8_2.ppc64le.rpm
gnutls-utils-3.6.8-10.el8_2.ppc64le.rpm
gnutls-utils-debuginfo-3.6.8-10.el8_2.ppc64le.rpm
s390x:
gnutls-c++-3.6.8-10.el8_2.s390x.rpm
gnutls-c++-debuginfo-3.6.8-10.el8_2.s390x.rpm
gnutls-dane-3.6.8-10.el8_2.s390x.rpm
gnutls-dane-debuginfo-3.6.8-10.el8_2.s390x.rpm
gnutls-debuginfo-3.6.8-10.el8_2.s390x.rpm
gnutls-debugsource-3.6.8-10.el8_2.s390x.rpm
gnutls-devel-3.6.8-10.el8_2.s390x.rpm
gnutls-utils-3.6.8-10.el8_2.s390x.rpm
gnutls-utils-debuginfo-3.6.8-10.el8_2.s390x.rpm
x86_64:
gnutls-c++-3.6.8-10.el8_2.i686.rpm
gnutls-c++-3.6.8-10.el8_2.x86_64.rpm
gnutls-c++-debuginfo-3.6.8-10.el8_2.i686.rpm
gnutls-c++-debuginfo-3.6.8-10.el8_2.x86_64.rpm
gnutls-dane-3.6.8-10.el8_2.i686.rpm
gnutls-dane-3.6.8-10.el8_2.x86_64.rpm
gnutls-dane-debuginfo-3.6.8-10.el8_2.i686.rpm
gnutls-dane-debuginfo-3.6.8-10.el8_2.x86_64.rpm
gnutls-debuginfo-3.6.8-10.el8_2.i686.rpm
gnutls-debuginfo-3.6.8-10.el8_2.x86_64.rpm
gnutls-debugsource-3.6.8-10.el8_2.i686.rpm
gnutls-debugsource-3.6.8-10.el8_2.x86_64.rpm
gnutls-devel-3.6.8-10.el8_2.i686.rpm
gnutls-devel-3.6.8-10.el8_2.x86_64.rpm
gnutls-utils-3.6.8-10.el8_2.x86_64.rpm
gnutls-utils-debuginfo-3.6.8-10.el8_2.i686.rpm
gnutls-utils-debuginfo-3.6.8-10.el8_2.x86_64.rpm
Red Hat Enterprise Linux BaseOS (v. 8):
Source:
gnutls-3.6.8-10.el8_2.src.rpm
aarch64:
gnutls-3.6.8-10.el8_2.aarch64.rpm
gnutls-c++-debuginfo-3.6.8-10.el8_2.aarch64.rpm
gnutls-dane-debuginfo-3.6.8-10.el8_2.aarch64.rpm
gnutls-debuginfo-3.6.8-10.el8_2.aarch64.rpm
gnutls-debugsource-3.6.8-10.el8_2.aarch64.rpm
gnutls-utils-debuginfo-3.6.8-10.el8_2.aarch64.rpm
ppc64le:
gnutls-3.6.8-10.el8_2.ppc64le.rpm
gnutls-c++-debuginfo-3.6.8-10.el8_2.ppc64le.rpm
gnutls-dane-debuginfo-3.6.8-10.el8_2.ppc64le.rpm
gnutls-debuginfo-3.6.8-10.el8_2.ppc64le.rpm
gnutls-debugsource-3.6.8-10.el8_2.ppc64le.rpm
gnutls-utils-debuginfo-3.6.8-10.el8_2.ppc64le.rpm
s390x:
gnutls-3.6.8-10.el8_2.s390x.rpm
gnutls-c++-debuginfo-3.6.8-10.el8_2.s390x.rpm
gnutls-dane-debuginfo-3.6.8-10.el8_2.s390x.rpm
gnutls-debuginfo-3.6.8-10.el8_2.s390x.rpm
gnutls-debugsource-3.6.8-10.el8_2.s390x.rpm
gnutls-utils-debuginfo-3.6.8-10.el8_2.s390x.rpm
x86_64:
gnutls-3.6.8-10.el8_2.i686.rpm
gnutls-3.6.8-10.el8_2.x86_64.rpm
gnutls-c++-debuginfo-3.6.8-10.el8_2.i686.rpm
gnutls-c++-debuginfo-3.6.8-10.el8_2.x86_64.rpm
gnutls-dane-debuginfo-3.6.8-10.el8_2.i686.rpm
gnutls-dane-debuginfo-3.6.8-10.el8_2.x86_64.rpm
gnutls-debuginfo-3.6.8-10.el8_2.i686.rpm
gnutls-debuginfo-3.6.8-10.el8_2.x86_64.rpm
gnutls-debugsource-3.6.8-10.el8_2.i686.rpm
gnutls-debugsource-3.6.8-10.el8_2.x86_64.rpm
gnutls-utils-debuginfo-3.6.8-10.el8_2.i686.rpm
gnutls-utils-debuginfo-3.6.8-10.el8_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-2020-11501
https://access.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2020 Red Hat, Inc.
- -----BEGIN PGP SIGNATURE-----
Version: GnuPG v1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=UKop
- -----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: http://www.auscert.org.au/render.html?it=1967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=iP1V
-----END PGP SIGNATURE-----