Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2021.1433
nss security and bug fix update
28 April 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: nss
Publisher: Red Hat
Operating System: Red Hat
UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-25648
Original Bulletin:
https://access.redhat.com/errata/RHSA-2021:1384
Comment: This advisory references vulnerabilities in products which run on
platforms other than Red Hat. It is recommended that administrators
running nss check for an updated version of the software for their
operating system.
- --------------------------BEGIN INCLUDED TEXT--------------------
- -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
=====================================================================
Red Hat Security Advisory
Synopsis: Moderate: nss security and bug fix update
Advisory ID: RHSA-2021:1384-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:1384
Issue date: 2021-04-27
CVE Names: CVE-2020-25648
=====================================================================
1. Summary:
An update for nss is now available for Red Hat Enterprise Linux 7.
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 Client (v. 7) - x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64
3. Description:
Network Security Services (NSS) is a set of libraries designed to support
the cross-platform development of security-enabled client and server
applications.
Security Fix(es):
* nss: TLS 1.3 CCS flood remote DoS Attack (CVE-2020-25648)
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):
* FTBFS: Paypal Cert expired (BZ#1883973)
* FTBFS: IKE CLASS_1563 fails gtest (BZ#1884793)
* Cannot compile code with nss headers and -Werror=strict-prototypes
(BZ#1885321)
* CA HSM ncipher token disabled after RHEL-7.9 update (BZ#1932193)
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
After installing this update, applications using NSS (for example, Firefox)
must be restarted for this update to take effect.
5. Bugs fixed (https://bugzilla.redhat.com/):
1883973 - FTBFS: Paypal Cert expired [rhel-7.9.z]
1884793 - FTBFS: IKE CLASS_1563 fails gtest [rhel-7.9.z]
1885321 - Cannot compile code with nss headers and -Werror=strict-prototypes
1887319 - CVE-2020-25648 nss: TLS 1.3 CCS flood remote DoS Attack
6. Package List:
Red Hat Enterprise Linux Client (v. 7):
Source:
nss-3.53.1-7.el7_9.src.rpm
x86_64:
nss-3.53.1-7.el7_9.i686.rpm
nss-3.53.1-7.el7_9.x86_64.rpm
nss-debuginfo-3.53.1-7.el7_9.i686.rpm
nss-debuginfo-3.53.1-7.el7_9.x86_64.rpm
nss-sysinit-3.53.1-7.el7_9.x86_64.rpm
nss-tools-3.53.1-7.el7_9.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64:
nss-debuginfo-3.53.1-7.el7_9.i686.rpm
nss-debuginfo-3.53.1-7.el7_9.x86_64.rpm
nss-devel-3.53.1-7.el7_9.i686.rpm
nss-devel-3.53.1-7.el7_9.x86_64.rpm
nss-pkcs11-devel-3.53.1-7.el7_9.i686.rpm
nss-pkcs11-devel-3.53.1-7.el7_9.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source:
nss-3.53.1-7.el7_9.src.rpm
x86_64:
nss-3.53.1-7.el7_9.i686.rpm
nss-3.53.1-7.el7_9.x86_64.rpm
nss-debuginfo-3.53.1-7.el7_9.i686.rpm
nss-debuginfo-3.53.1-7.el7_9.x86_64.rpm
nss-sysinit-3.53.1-7.el7_9.x86_64.rpm
nss-tools-3.53.1-7.el7_9.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
x86_64:
nss-debuginfo-3.53.1-7.el7_9.i686.rpm
nss-debuginfo-3.53.1-7.el7_9.x86_64.rpm
nss-devel-3.53.1-7.el7_9.i686.rpm
nss-devel-3.53.1-7.el7_9.x86_64.rpm
nss-pkcs11-devel-3.53.1-7.el7_9.i686.rpm
nss-pkcs11-devel-3.53.1-7.el7_9.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
nss-3.53.1-7.el7_9.src.rpm
ppc64:
nss-3.53.1-7.el7_9.ppc.rpm
nss-3.53.1-7.el7_9.ppc64.rpm
nss-debuginfo-3.53.1-7.el7_9.ppc.rpm
nss-debuginfo-3.53.1-7.el7_9.ppc64.rpm
nss-devel-3.53.1-7.el7_9.ppc.rpm
nss-devel-3.53.1-7.el7_9.ppc64.rpm
nss-sysinit-3.53.1-7.el7_9.ppc64.rpm
nss-tools-3.53.1-7.el7_9.ppc64.rpm
ppc64le:
nss-3.53.1-7.el7_9.ppc64le.rpm
nss-debuginfo-3.53.1-7.el7_9.ppc64le.rpm
nss-devel-3.53.1-7.el7_9.ppc64le.rpm
nss-sysinit-3.53.1-7.el7_9.ppc64le.rpm
nss-tools-3.53.1-7.el7_9.ppc64le.rpm
s390x:
nss-3.53.1-7.el7_9.s390.rpm
nss-3.53.1-7.el7_9.s390x.rpm
nss-debuginfo-3.53.1-7.el7_9.s390.rpm
nss-debuginfo-3.53.1-7.el7_9.s390x.rpm
nss-devel-3.53.1-7.el7_9.s390.rpm
nss-devel-3.53.1-7.el7_9.s390x.rpm
nss-sysinit-3.53.1-7.el7_9.s390x.rpm
nss-tools-3.53.1-7.el7_9.s390x.rpm
x86_64:
nss-3.53.1-7.el7_9.i686.rpm
nss-3.53.1-7.el7_9.x86_64.rpm
nss-debuginfo-3.53.1-7.el7_9.i686.rpm
nss-debuginfo-3.53.1-7.el7_9.x86_64.rpm
nss-devel-3.53.1-7.el7_9.i686.rpm
nss-devel-3.53.1-7.el7_9.x86_64.rpm
nss-sysinit-3.53.1-7.el7_9.x86_64.rpm
nss-tools-3.53.1-7.el7_9.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
ppc64:
nss-debuginfo-3.53.1-7.el7_9.ppc.rpm
nss-debuginfo-3.53.1-7.el7_9.ppc64.rpm
nss-pkcs11-devel-3.53.1-7.el7_9.ppc.rpm
nss-pkcs11-devel-3.53.1-7.el7_9.ppc64.rpm
ppc64le:
nss-debuginfo-3.53.1-7.el7_9.ppc64le.rpm
nss-pkcs11-devel-3.53.1-7.el7_9.ppc64le.rpm
s390x:
nss-debuginfo-3.53.1-7.el7_9.s390.rpm
nss-debuginfo-3.53.1-7.el7_9.s390x.rpm
nss-pkcs11-devel-3.53.1-7.el7_9.s390.rpm
nss-pkcs11-devel-3.53.1-7.el7_9.s390x.rpm
x86_64:
nss-debuginfo-3.53.1-7.el7_9.i686.rpm
nss-debuginfo-3.53.1-7.el7_9.x86_64.rpm
nss-pkcs11-devel-3.53.1-7.el7_9.i686.rpm
nss-pkcs11-devel-3.53.1-7.el7_9.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
nss-3.53.1-7.el7_9.src.rpm
x86_64:
nss-3.53.1-7.el7_9.i686.rpm
nss-3.53.1-7.el7_9.x86_64.rpm
nss-debuginfo-3.53.1-7.el7_9.i686.rpm
nss-debuginfo-3.53.1-7.el7_9.x86_64.rpm
nss-devel-3.53.1-7.el7_9.i686.rpm
nss-devel-3.53.1-7.el7_9.x86_64.rpm
nss-sysinit-3.53.1-7.el7_9.x86_64.rpm
nss-tools-3.53.1-7.el7_9.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64:
nss-debuginfo-3.53.1-7.el7_9.i686.rpm
nss-debuginfo-3.53.1-7.el7_9.x86_64.rpm
nss-pkcs11-devel-3.53.1-7.el7_9.i686.rpm
nss-pkcs11-devel-3.53.1-7.el7_9.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-2020-25648
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 2021 Red Hat, Inc.
- -----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
iQIVAwUBYIf359zjgjWX9erEAQigOw//TKzf8ctaWjAPFaHygoCMnTJCG/XebHId
iAPskx6/0IoejR+bMnQ9JA/pkcorSAEMY6C2is8t4nWSTqR1X5HVbIjMMs9s1GTQ
EwZyrk7l+bdnXdBVWnv/UyhNG8D/FI8Aim7LQGCZDt5tt+HxWtmhZ/l9/yUKvmFy
RPO14MFvLP8EzBZPHji/mt8TXuK/rFcvYwNMLavBW3H1rMj6BkTTz7QCnleCT1et
CXm8swtiV6DccM33hH5R6M+7vuoQG4UJuIIgroW7wiLctmf8e48WSuppXPqpth7E
1hiE6WSbdixfMufXA3nvEbHNyH1Q6mv8KS2+QUVSO78ll2WPlPovE4rvLNa8867I
paJ/G3fh3EgOtY2kWfCcvuI5EmAuLpxCPSc1yH13W8Q0xljfQzIkrKnSxH/IWXXl
cKmG2YmBapWVdFXTAe8zuefDQT0qxKw3JfM4z3P2TIKF3FIRAk14tSd6U8+Z6zHS
/HlIvW2GgEQaSV+yyfC8La6TRrvYw8e+LmXqyU5W8TGv+IW76b7Wxl18rYd+ubQt
oIxyxE3rDcCBoGxexqSkcpox9AZYZrScIFCcoPPZCbGNhYNjpgpwa9+6rUnSfCGC
t1u+krciwT8yoniesZsNZP+S5/yhuXQNP171nOXsOwY2WyCj2GsfMYJyMYe90DxZ
wAIZFLjBDJ0=
=9dqh
- -----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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=pBVZ
-----END PGP SIGNATURE-----