[RHSA-2021:4904-05] Critical: nss security update

Security announcements for all Red Hat products and services. rhsa-announce at redhat.com
Wed Dec 1 20:41:51 UTC 2021 

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

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

Synopsis:          Critical: nss security update
Advisory ID:       RHSA-2021:4904-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:4904
Issue date:        2021-12-01
CVE Names:         CVE-2021-43527 
=====================================================================

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 Critical. 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: Memory corruption in decodeECorDsaSignature with DSA signatures (and
RSA-PSS) (CVE-2021-43527)

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

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/):

2024370 - CVE-2021-43527 nss: Memory corruption in decodeECorDsaSignature with DSA signatures (and RSA-PSS)

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
nss-3.67.0-4.el7_9.src.rpm

x86_64:
nss-3.67.0-4.el7_9.i686.rpm
nss-3.67.0-4.el7_9.x86_64.rpm
nss-debuginfo-3.67.0-4.el7_9.i686.rpm
nss-debuginfo-3.67.0-4.el7_9.x86_64.rpm
nss-sysinit-3.67.0-4.el7_9.x86_64.rpm
nss-tools-3.67.0-4.el7_9.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

x86_64:
nss-debuginfo-3.67.0-4.el7_9.i686.rpm
nss-debuginfo-3.67.0-4.el7_9.x86_64.rpm
nss-devel-3.67.0-4.el7_9.i686.rpm
nss-devel-3.67.0-4.el7_9.x86_64.rpm
nss-pkcs11-devel-3.67.0-4.el7_9.i686.rpm
nss-pkcs11-devel-3.67.0-4.el7_9.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
nss-3.67.0-4.el7_9.src.rpm

x86_64:
nss-3.67.0-4.el7_9.i686.rpm
nss-3.67.0-4.el7_9.x86_64.rpm
nss-debuginfo-3.67.0-4.el7_9.i686.rpm
nss-debuginfo-3.67.0-4.el7_9.x86_64.rpm
nss-sysinit-3.67.0-4.el7_9.x86_64.rpm
nss-tools-3.67.0-4.el7_9.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

x86_64:
nss-debuginfo-3.67.0-4.el7_9.i686.rpm
nss-debuginfo-3.67.0-4.el7_9.x86_64.rpm
nss-devel-3.67.0-4.el7_9.i686.rpm
nss-devel-3.67.0-4.el7_9.x86_64.rpm
nss-pkcs11-devel-3.67.0-4.el7_9.i686.rpm
nss-pkcs11-devel-3.67.0-4.el7_9.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
nss-3.67.0-4.el7_9.src.rpm

ppc64:
nss-3.67.0-4.el7_9.ppc.rpm
nss-3.67.0-4.el7_9.ppc64.rpm
nss-debuginfo-3.67.0-4.el7_9.ppc.rpm
nss-debuginfo-3.67.0-4.el7_9.ppc64.rpm
nss-devel-3.67.0-4.el7_9.ppc.rpm
nss-devel-3.67.0-4.el7_9.ppc64.rpm
nss-sysinit-3.67.0-4.el7_9.ppc64.rpm
nss-tools-3.67.0-4.el7_9.ppc64.rpm

ppc64le:
nss-3.67.0-4.el7_9.ppc64le.rpm
nss-debuginfo-3.67.0-4.el7_9.ppc64le.rpm
nss-devel-3.67.0-4.el7_9.ppc64le.rpm
nss-sysinit-3.67.0-4.el7_9.ppc64le.rpm
nss-tools-3.67.0-4.el7_9.ppc64le.rpm

s390x:
nss-3.67.0-4.el7_9.s390.rpm
nss-3.67.0-4.el7_9.s390x.rpm
nss-debuginfo-3.67.0-4.el7_9.s390.rpm
nss-debuginfo-3.67.0-4.el7_9.s390x.rpm
nss-devel-3.67.0-4.el7_9.s390.rpm
nss-devel-3.67.0-4.el7_9.s390x.rpm
nss-sysinit-3.67.0-4.el7_9.s390x.rpm
nss-tools-3.67.0-4.el7_9.s390x.rpm

x86_64:
nss-3.67.0-4.el7_9.i686.rpm
nss-3.67.0-4.el7_9.x86_64.rpm
nss-debuginfo-3.67.0-4.el7_9.i686.rpm
nss-debuginfo-3.67.0-4.el7_9.x86_64.rpm
nss-devel-3.67.0-4.el7_9.i686.rpm
nss-devel-3.67.0-4.el7_9.x86_64.rpm
nss-sysinit-3.67.0-4.el7_9.x86_64.rpm
nss-tools-3.67.0-4.el7_9.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

ppc64:
nss-debuginfo-3.67.0-4.el7_9.ppc.rpm
nss-debuginfo-3.67.0-4.el7_9.ppc64.rpm
nss-pkcs11-devel-3.67.0-4.el7_9.ppc.rpm
nss-pkcs11-devel-3.67.0-4.el7_9.ppc64.rpm

ppc64le:
nss-debuginfo-3.67.0-4.el7_9.ppc64le.rpm
nss-pkcs11-devel-3.67.0-4.el7_9.ppc64le.rpm

s390x:
nss-debuginfo-3.67.0-4.el7_9.s390.rpm
nss-debuginfo-3.67.0-4.el7_9.s390x.rpm
nss-pkcs11-devel-3.67.0-4.el7_9.s390.rpm
nss-pkcs11-devel-3.67.0-4.el7_9.s390x.rpm

x86_64:
nss-debuginfo-3.67.0-4.el7_9.i686.rpm
nss-debuginfo-3.67.0-4.el7_9.x86_64.rpm
nss-pkcs11-devel-3.67.0-4.el7_9.i686.rpm
nss-pkcs11-devel-3.67.0-4.el7_9.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
nss-3.67.0-4.el7_9.src.rpm

x86_64:
nss-3.67.0-4.el7_9.i686.rpm
nss-3.67.0-4.el7_9.x86_64.rpm
nss-debuginfo-3.67.0-4.el7_9.i686.rpm
nss-debuginfo-3.67.0-4.el7_9.x86_64.rpm
nss-devel-3.67.0-4.el7_9.i686.rpm
nss-devel-3.67.0-4.el7_9.x86_64.rpm
nss-sysinit-3.67.0-4.el7_9.x86_64.rpm
nss-tools-3.67.0-4.el7_9.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

x86_64:
nss-debuginfo-3.67.0-4.el7_9.i686.rpm
nss-debuginfo-3.67.0-4.el7_9.x86_64.rpm
nss-pkcs11-devel-3.67.0-4.el7_9.i686.rpm
nss-pkcs11-devel-3.67.0-4.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-2021-43527
https://access.redhat.com/security/vulnerabilities/RHSB-2021-008
https://access.redhat.com/security/updates/classification/#critical

8. Contact:

The Red Hat security contact is <secalert at redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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=wzB5
-----END PGP SIGNATURE-----

More information about the RHSA-announce mailing list