Wednesday, September 22, 2021

Red Hat Security Advisory 2021-3572-01

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=====================================================================
Red Hat Security Advisory

Synopsis: Moderate: nss and nspr security, bug fix, and enhancement update
Advisory ID: RHSA-2021:3572-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:3572
Issue date: 2021-09-21
CVE Names: CVE-2020-25648
=====================================================================

1. Summary:

An update for nss and nspr 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

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.

Netscape Portable Runtime (NSPR) provides platform independence for non-GUI
operating system facilities.

The following packages have been upgraded to a later upstream version: nss
(3.67.0), nspr (4.32.0). (BZ#1967980)

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):

* 8025 error code when creating subCAs (BZ#1977412)

* NSS cannot use SQL databases created by specific versions of NSS
(BZ#1978443)

* Inconsistent handling of malformed CertificateRequest messages
(BZ#1980050)

Enhancement(s):

* [IBM 8.5 FEAT] [P10] POWER10 performance enhancements for cryptography:
NSS FreeBL (BZ#1978257)

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. After installing this
update, applications using NSPR (for example, Firefox) must be restarted
for this update to take effect.

5. Bugs fixed (https://bugzilla.redhat.com/):

1887319 - CVE-2020-25648 nss: TLS 1.3 CCS flood remote DoS Attack
1967980 - Need to rebase to NSS 3.66 for Firefox 91 Release [rhel-8.4.0.z]
1976250 - pkix_Build_GatherCerts() bug causes sporadic libreswan/IKE certificate validation errors [rhel-8.4.0.z]
1976253 - time bomb in nss 3.57.1-17.el8_3, test cert expired [rhel-8.4.0.z]
1976255 - SHA-1 signatures in CertificateVerify are accepted in FIPS mode [rhel-8.4.0.z]
1976257 - Document that modutil creates "sql" database by default, even when "sql:" prefix is not specified [rhel-8.4.0.z]
1976258 - Strict prototype error when trying to compile nss code that includes blapi.h [rhel-8.4.0.z]
1977412 - 8025 error code when creating subCAs [rhel-8.4.0.z]
1978443 - NSS cannot use SQL databases created by specific versions of NSS [rhel-8.4.0.z]
1996774 - Need to rebase to NSPR 4.32 for Firefox 91 Release

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

Source:
nspr-4.32.0-1.el8_4.src.rpm
nss-3.67.0-6.el8_4.src.rpm

aarch64:
nspr-4.32.0-1.el8_4.aarch64.rpm
nspr-debuginfo-4.32.0-1.el8_4.aarch64.rpm
nspr-debugsource-4.32.0-1.el8_4.aarch64.rpm
nspr-devel-4.32.0-1.el8_4.aarch64.rpm
nss-3.67.0-6.el8_4.aarch64.rpm
nss-debuginfo-3.67.0-6.el8_4.aarch64.rpm
nss-debugsource-3.67.0-6.el8_4.aarch64.rpm
nss-devel-3.67.0-6.el8_4.aarch64.rpm
nss-softokn-3.67.0-6.el8_4.aarch64.rpm
nss-softokn-debuginfo-3.67.0-6.el8_4.aarch64.rpm
nss-softokn-devel-3.67.0-6.el8_4.aarch64.rpm
nss-softokn-freebl-3.67.0-6.el8_4.aarch64.rpm
nss-softokn-freebl-debuginfo-3.67.0-6.el8_4.aarch64.rpm
nss-softokn-freebl-devel-3.67.0-6.el8_4.aarch64.rpm
nss-sysinit-3.67.0-6.el8_4.aarch64.rpm
nss-sysinit-debuginfo-3.67.0-6.el8_4.aarch64.rpm
nss-tools-3.67.0-6.el8_4.aarch64.rpm
nss-tools-debuginfo-3.67.0-6.el8_4.aarch64.rpm
nss-util-3.67.0-6.el8_4.aarch64.rpm
nss-util-debuginfo-3.67.0-6.el8_4.aarch64.rpm
nss-util-devel-3.67.0-6.el8_4.aarch64.rpm

ppc64le:
nspr-4.32.0-1.el8_4.ppc64le.rpm
nspr-debuginfo-4.32.0-1.el8_4.ppc64le.rpm
nspr-debugsource-4.32.0-1.el8_4.ppc64le.rpm
nspr-devel-4.32.0-1.el8_4.ppc64le.rpm
nss-3.67.0-6.el8_4.ppc64le.rpm
nss-debuginfo-3.67.0-6.el8_4.ppc64le.rpm
nss-debugsource-3.67.0-6.el8_4.ppc64le.rpm
nss-devel-3.67.0-6.el8_4.ppc64le.rpm
nss-softokn-3.67.0-6.el8_4.ppc64le.rpm
nss-softokn-debuginfo-3.67.0-6.el8_4.ppc64le.rpm
nss-softokn-devel-3.67.0-6.el8_4.ppc64le.rpm
nss-softokn-freebl-3.67.0-6.el8_4.ppc64le.rpm
nss-softokn-freebl-debuginfo-3.67.0-6.el8_4.ppc64le.rpm
nss-softokn-freebl-devel-3.67.0-6.el8_4.ppc64le.rpm
nss-sysinit-3.67.0-6.el8_4.ppc64le.rpm
nss-sysinit-debuginfo-3.67.0-6.el8_4.ppc64le.rpm
nss-tools-3.67.0-6.el8_4.ppc64le.rpm
nss-tools-debuginfo-3.67.0-6.el8_4.ppc64le.rpm
nss-util-3.67.0-6.el8_4.ppc64le.rpm
nss-util-debuginfo-3.67.0-6.el8_4.ppc64le.rpm
nss-util-devel-3.67.0-6.el8_4.ppc64le.rpm

s390x:
nspr-4.32.0-1.el8_4.s390x.rpm
nspr-debuginfo-4.32.0-1.el8_4.s390x.rpm
nspr-debugsource-4.32.0-1.el8_4.s390x.rpm
nspr-devel-4.32.0-1.el8_4.s390x.rpm
nss-3.67.0-6.el8_4.s390x.rpm
nss-debuginfo-3.67.0-6.el8_4.s390x.rpm
nss-debugsource-3.67.0-6.el8_4.s390x.rpm
nss-devel-3.67.0-6.el8_4.s390x.rpm
nss-softokn-3.67.0-6.el8_4.s390x.rpm
nss-softokn-debuginfo-3.67.0-6.el8_4.s390x.rpm
nss-softokn-devel-3.67.0-6.el8_4.s390x.rpm
nss-softokn-freebl-3.67.0-6.el8_4.s390x.rpm
nss-softokn-freebl-debuginfo-3.67.0-6.el8_4.s390x.rpm
nss-softokn-freebl-devel-3.67.0-6.el8_4.s390x.rpm
nss-sysinit-3.67.0-6.el8_4.s390x.rpm
nss-sysinit-debuginfo-3.67.0-6.el8_4.s390x.rpm
nss-tools-3.67.0-6.el8_4.s390x.rpm
nss-tools-debuginfo-3.67.0-6.el8_4.s390x.rpm
nss-util-3.67.0-6.el8_4.s390x.rpm
nss-util-debuginfo-3.67.0-6.el8_4.s390x.rpm
nss-util-devel-3.67.0-6.el8_4.s390x.rpm

x86_64:
nspr-4.32.0-1.el8_4.i686.rpm
nspr-4.32.0-1.el8_4.x86_64.rpm
nspr-debuginfo-4.32.0-1.el8_4.i686.rpm
nspr-debuginfo-4.32.0-1.el8_4.x86_64.rpm
nspr-debugsource-4.32.0-1.el8_4.i686.rpm
nspr-debugsource-4.32.0-1.el8_4.x86_64.rpm
nspr-devel-4.32.0-1.el8_4.i686.rpm
nspr-devel-4.32.0-1.el8_4.x86_64.rpm
nss-3.67.0-6.el8_4.i686.rpm
nss-3.67.0-6.el8_4.x86_64.rpm
nss-debuginfo-3.67.0-6.el8_4.i686.rpm
nss-debuginfo-3.67.0-6.el8_4.x86_64.rpm
nss-debugsource-3.67.0-6.el8_4.i686.rpm
nss-debugsource-3.67.0-6.el8_4.x86_64.rpm
nss-devel-3.67.0-6.el8_4.i686.rpm
nss-devel-3.67.0-6.el8_4.x86_64.rpm
nss-softokn-3.67.0-6.el8_4.i686.rpm
nss-softokn-3.67.0-6.el8_4.x86_64.rpm
nss-softokn-debuginfo-3.67.0-6.el8_4.i686.rpm
nss-softokn-debuginfo-3.67.0-6.el8_4.x86_64.rpm
nss-softokn-devel-3.67.0-6.el8_4.i686.rpm
nss-softokn-devel-3.67.0-6.el8_4.x86_64.rpm
nss-softokn-freebl-3.67.0-6.el8_4.i686.rpm
nss-softokn-freebl-3.67.0-6.el8_4.x86_64.rpm
nss-softokn-freebl-debuginfo-3.67.0-6.el8_4.i686.rpm
nss-softokn-freebl-debuginfo-3.67.0-6.el8_4.x86_64.rpm
nss-softokn-freebl-devel-3.67.0-6.el8_4.i686.rpm
nss-softokn-freebl-devel-3.67.0-6.el8_4.x86_64.rpm
nss-sysinit-3.67.0-6.el8_4.x86_64.rpm
nss-sysinit-debuginfo-3.67.0-6.el8_4.i686.rpm
nss-sysinit-debuginfo-3.67.0-6.el8_4.x86_64.rpm
nss-tools-3.67.0-6.el8_4.x86_64.rpm
nss-tools-debuginfo-3.67.0-6.el8_4.i686.rpm
nss-tools-debuginfo-3.67.0-6.el8_4.x86_64.rpm
nss-util-3.67.0-6.el8_4.i686.rpm
nss-util-3.67.0-6.el8_4.x86_64.rpm
nss-util-debuginfo-3.67.0-6.el8_4.i686.rpm
nss-util-debuginfo-3.67.0-6.el8_4.x86_64.rpm
nss-util-devel-3.67.0-6.el8_4.i686.rpm
nss-util-devel-3.67.0-6.el8_4.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 <[email protected]>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.
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