RedHat: RHSA-2021-4953:03 Critical: nss security update

Advisories

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

Synopsis:          Critical: nss security update
Advisory ID:       RHSA-2021:4953-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:4953
Issue date:        2021-12-06
CVE Names:         CVE-2021-43527 
=====================================================================

1. Summary:

An update for nss is now available for Red Hat Enterprise Linux 8.1
Extended Update Support.

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 AppStream EUS (v. 8.1) - 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.

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 AppStream EUS (v. 8.1):

Source:
nss-3.44.0-10.el8_1.src.rpm

aarch64:
nss-3.44.0-10.el8_1.aarch64.rpm
nss-debuginfo-3.44.0-10.el8_1.aarch64.rpm
nss-debugsource-3.44.0-10.el8_1.aarch64.rpm
nss-devel-3.44.0-10.el8_1.aarch64.rpm
nss-softokn-3.44.0-10.el8_1.aarch64.rpm
nss-softokn-debuginfo-3.44.0-10.el8_1.aarch64.rpm
nss-softokn-devel-3.44.0-10.el8_1.aarch64.rpm
nss-softokn-freebl-3.44.0-10.el8_1.aarch64.rpm
nss-softokn-freebl-debuginfo-3.44.0-10.el8_1.aarch64.rpm
nss-softokn-freebl-devel-3.44.0-10.el8_1.aarch64.rpm
nss-sysinit-3.44.0-10.el8_1.aarch64.rpm
nss-sysinit-debuginfo-3.44.0-10.el8_1.aarch64.rpm
nss-tools-3.44.0-10.el8_1.aarch64.rpm
nss-tools-debuginfo-3.44.0-10.el8_1.aarch64.rpm
nss-util-3.44.0-10.el8_1.aarch64.rpm
nss-util-debuginfo-3.44.0-10.el8_1.aarch64.rpm
nss-util-devel-3.44.0-10.el8_1.aarch64.rpm

ppc64le:
nss-3.44.0-10.el8_1.ppc64le.rpm
nss-debuginfo-3.44.0-10.el8_1.ppc64le.rpm
nss-debugsource-3.44.0-10.el8_1.ppc64le.rpm
nss-devel-3.44.0-10.el8_1.ppc64le.rpm
nss-softokn-3.44.0-10.el8_1.ppc64le.rpm
nss-softokn-debuginfo-3.44.0-10.el8_1.ppc64le.rpm
nss-softokn-devel-3.44.0-10.el8_1.ppc64le.rpm
nss-softokn-freebl-3.44.0-10.el8_1.ppc64le.rpm
nss-softokn-freebl-debuginfo-3.44.0-10.el8_1.ppc64le.rpm
nss-softokn-freebl-devel-3.44.0-10.el8_1.ppc64le.rpm
nss-sysinit-3.44.0-10.el8_1.ppc64le.rpm
nss-sysinit-debuginfo-3.44.0-10.el8_1.ppc64le.rpm
nss-tools-3.44.0-10.el8_1.ppc64le.rpm
nss-tools-debuginfo-3.44.0-10.el8_1.ppc64le.rpm
nss-util-3.44.0-10.el8_1.ppc64le.rpm
nss-util-debuginfo-3.44.0-10.el8_1.ppc64le.rpm
nss-util-devel-3.44.0-10.el8_1.ppc64le.rpm

s390x:
nss-3.44.0-10.el8_1.s390x.rpm
nss-debuginfo-3.44.0-10.el8_1.s390x.rpm
nss-debugsource-3.44.0-10.el8_1.s390x.rpm
nss-devel-3.44.0-10.el8_1.s390x.rpm
nss-softokn-3.44.0-10.el8_1.s390x.rpm
nss-softokn-debuginfo-3.44.0-10.el8_1.s390x.rpm
nss-softokn-devel-3.44.0-10.el8_1.s390x.rpm
nss-softokn-freebl-3.44.0-10.el8_1.s390x.rpm
nss-softokn-freebl-debuginfo-3.44.0-10.el8_1.s390x.rpm
nss-softokn-freebl-devel-3.44.0-10.el8_1.s390x.rpm
nss-sysinit-3.44.0-10.el8_1.s390x.rpm
nss-sysinit-debuginfo-3.44.0-10.el8_1.s390x.rpm
nss-tools-3.44.0-10.el8_1.s390x.rpm
nss-tools-debuginfo-3.44.0-10.el8_1.s390x.rpm
nss-util-3.44.0-10.el8_1.s390x.rpm
nss-util-debuginfo-3.44.0-10.el8_1.s390x.rpm
nss-util-devel-3.44.0-10.el8_1.s390x.rpm

x86_64:
nss-3.44.0-10.el8_1.i686.rpm
nss-3.44.0-10.el8_1.x86_64.rpm
nss-debuginfo-3.44.0-10.el8_1.i686.rpm
nss-debuginfo-3.44.0-10.el8_1.x86_64.rpm
nss-debugsource-3.44.0-10.el8_1.i686.rpm
nss-debugsource-3.44.0-10.el8_1.x86_64.rpm
nss-devel-3.44.0-10.el8_1.i686.rpm
nss-devel-3.44.0-10.el8_1.x86_64.rpm
nss-softokn-3.44.0-10.el8_1.i686.rpm
nss-softokn-3.44.0-10.el8_1.x86_64.rpm
nss-softokn-debuginfo-3.44.0-10.el8_1.i686.rpm
nss-softokn-debuginfo-3.44.0-10.el8_1.x86_64.rpm
nss-softokn-devel-3.44.0-10.el8_1.i686.rpm
nss-softokn-devel-3.44.0-10.el8_1.x86_64.rpm
nss-softokn-freebl-3.44.0-10.el8_1.i686.rpm
nss-softokn-freebl-3.44.0-10.el8_1.x86_64.rpm
nss-softokn-freebl-debuginfo-3.44.0-10.el8_1.i686.rpm
nss-softokn-freebl-debuginfo-3.44.0-10.el8_1.x86_64.rpm
nss-softokn-freebl-devel-3.44.0-10.el8_1.i686.rpm
nss-softokn-freebl-devel-3.44.0-10.el8_1.x86_64.rpm
nss-sysinit-3.44.0-10.el8_1.x86_64.rpm
nss-sysinit-debuginfo-3.44.0-10.el8_1.i686.rpm
nss-sysinit-debuginfo-3.44.0-10.el8_1.x86_64.rpm
nss-tools-3.44.0-10.el8_1.x86_64.rpm
nss-tools-debuginfo-3.44.0-10.el8_1.i686.rpm
nss-tools-debuginfo-3.44.0-10.el8_1.x86_64.rpm
nss-util-3.44.0-10.el8_1.i686.rpm
nss-util-3.44.0-10.el8_1.x86_64.rpm
nss-util-debuginfo-3.44.0-10.el8_1.i686.rpm
nss-util-debuginfo-3.44.0-10.el8_1.x86_64.rpm
nss-util-devel-3.44.0-10.el8_1.i686.rpm
nss-util-devel-3.44.0-10.el8_1.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/updates/classification/#critical
https://access.redhat.com/security/vulnerabilities/RHSB-2021-008

8. Contact:

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

Copyright 2021 Red Hat, Inc.
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RedHat: RHSA-2021-4953:03 Critical: nss security update

An update for nss is now available for Red Hat Enterprise Linux 8.1 Extended Update Support

Summary

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.

Solution

For details on how to apply this update, which includes the changesdescribed in this advisory, refer to:https://access.redhat.com/articles/11258After installing this update, applications using NSS (for example, Firefox)must be restarted for this update to take effect.

References

https://access.redhat.com/security/cve/CVE-2021-43527 https://access.redhat.com/security/updates/classification/#critical https://access.redhat.com/security/vulnerabilities/RHSB-2021-008

Package List

Red Hat Enterprise Linux AppStream EUS (v. 8.1):
Source: nss-3.44.0-10.el8_1.src.rpm
aarch64: nss-3.44.0-10.el8_1.aarch64.rpm nss-debuginfo-3.44.0-10.el8_1.aarch64.rpm nss-debugsource-3.44.0-10.el8_1.aarch64.rpm nss-devel-3.44.0-10.el8_1.aarch64.rpm nss-softokn-3.44.0-10.el8_1.aarch64.rpm nss-softokn-debuginfo-3.44.0-10.el8_1.aarch64.rpm nss-softokn-devel-3.44.0-10.el8_1.aarch64.rpm nss-softokn-freebl-3.44.0-10.el8_1.aarch64.rpm nss-softokn-freebl-debuginfo-3.44.0-10.el8_1.aarch64.rpm nss-softokn-freebl-devel-3.44.0-10.el8_1.aarch64.rpm nss-sysinit-3.44.0-10.el8_1.aarch64.rpm nss-sysinit-debuginfo-3.44.0-10.el8_1.aarch64.rpm nss-tools-3.44.0-10.el8_1.aarch64.rpm nss-tools-debuginfo-3.44.0-10.el8_1.aarch64.rpm nss-util-3.44.0-10.el8_1.aarch64.rpm nss-util-debuginfo-3.44.0-10.el8_1.aarch64.rpm nss-util-devel-3.44.0-10.el8_1.aarch64.rpm
ppc64le: nss-3.44.0-10.el8_1.ppc64le.rpm nss-debuginfo-3.44.0-10.el8_1.ppc64le.rpm nss-debugsource-3.44.0-10.el8_1.ppc64le.rpm nss-devel-3.44.0-10.el8_1.ppc64le.rpm nss-softokn-3.44.0-10.el8_1.ppc64le.rpm nss-softokn-debuginfo-3.44.0-10.el8_1.ppc64le.rpm nss-softokn-devel-3.44.0-10.el8_1.ppc64le.rpm nss-softokn-freebl-3.44.0-10.el8_1.ppc64le.rpm nss-softokn-freebl-debuginfo-3.44.0-10.el8_1.ppc64le.rpm nss-softokn-freebl-devel-3.44.0-10.el8_1.ppc64le.rpm nss-sysinit-3.44.0-10.el8_1.ppc64le.rpm nss-sysinit-debuginfo-3.44.0-10.el8_1.ppc64le.rpm nss-tools-3.44.0-10.el8_1.ppc64le.rpm nss-tools-debuginfo-3.44.0-10.el8_1.ppc64le.rpm nss-util-3.44.0-10.el8_1.ppc64le.rpm nss-util-debuginfo-3.44.0-10.el8_1.ppc64le.rpm nss-util-devel-3.44.0-10.el8_1.ppc64le.rpm
s390x: nss-3.44.0-10.el8_1.s390x.rpm nss-debuginfo-3.44.0-10.el8_1.s390x.rpm nss-debugsource-3.44.0-10.el8_1.s390x.rpm nss-devel-3.44.0-10.el8_1.s390x.rpm nss-softokn-3.44.0-10.el8_1.s390x.rpm nss-softokn-debuginfo-3.44.0-10.el8_1.s390x.rpm nss-softokn-devel-3.44.0-10.el8_1.s390x.rpm nss-softokn-freebl-3.44.0-10.el8_1.s390x.rpm nss-softokn-freebl-debuginfo-3.44.0-10.el8_1.s390x.rpm nss-softokn-freebl-devel-3.44.0-10.el8_1.s390x.rpm nss-sysinit-3.44.0-10.el8_1.s390x.rpm nss-sysinit-debuginfo-3.44.0-10.el8_1.s390x.rpm nss-tools-3.44.0-10.el8_1.s390x.rpm nss-tools-debuginfo-3.44.0-10.el8_1.s390x.rpm nss-util-3.44.0-10.el8_1.s390x.rpm nss-util-debuginfo-3.44.0-10.el8_1.s390x.rpm nss-util-devel-3.44.0-10.el8_1.s390x.rpm
x86_64: nss-3.44.0-10.el8_1.i686.rpm nss-3.44.0-10.el8_1.x86_64.rpm nss-debuginfo-3.44.0-10.el8_1.i686.rpm nss-debuginfo-3.44.0-10.el8_1.x86_64.rpm nss-debugsource-3.44.0-10.el8_1.i686.rpm nss-debugsource-3.44.0-10.el8_1.x86_64.rpm nss-devel-3.44.0-10.el8_1.i686.rpm nss-devel-3.44.0-10.el8_1.x86_64.rpm nss-softokn-3.44.0-10.el8_1.i686.rpm nss-softokn-3.44.0-10.el8_1.x86_64.rpm nss-softokn-debuginfo-3.44.0-10.el8_1.i686.rpm nss-softokn-debuginfo-3.44.0-10.el8_1.x86_64.rpm nss-softokn-devel-3.44.0-10.el8_1.i686.rpm nss-softokn-devel-3.44.0-10.el8_1.x86_64.rpm nss-softokn-freebl-3.44.0-10.el8_1.i686.rpm nss-softokn-freebl-3.44.0-10.el8_1.x86_64.rpm nss-softokn-freebl-debuginfo-3.44.0-10.el8_1.i686.rpm nss-softokn-freebl-debuginfo-3.44.0-10.el8_1.x86_64.rpm nss-softokn-freebl-devel-3.44.0-10.el8_1.i686.rpm nss-softokn-freebl-devel-3.44.0-10.el8_1.x86_64.rpm nss-sysinit-3.44.0-10.el8_1.x86_64.rpm nss-sysinit-debuginfo-3.44.0-10.el8_1.i686.rpm nss-sysinit-debuginfo-3.44.0-10.el8_1.x86_64.rpm nss-tools-3.44.0-10.el8_1.x86_64.rpm nss-tools-debuginfo-3.44.0-10.el8_1.i686.rpm nss-tools-debuginfo-3.44.0-10.el8_1.x86_64.rpm nss-util-3.44.0-10.el8_1.i686.rpm nss-util-3.44.0-10.el8_1.x86_64.rpm nss-util-debuginfo-3.44.0-10.el8_1.i686.rpm nss-util-debuginfo-3.44.0-10.el8_1.x86_64.rpm nss-util-devel-3.44.0-10.el8_1.i686.rpm nss-util-devel-3.44.0-10.el8_1.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/

Severity
Advisory ID: RHSA-2021:4953-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:4953
Issued Date: : 2021-12-06
CVE Names: CVE-2021-43527

Topic

An update for nss is now available for Red Hat Enterprise Linux 8.1Extended Update Support.Red Hat Product Security has rated this update as having a security impactof Critical. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream EUS (v. 8.1) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

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