Wednesday, March 17, 2021

Red Hat Security Advisory 2021-0876-01

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

Synopsis: Moderate: nss and nss-softokn security update
Advisory ID: RHSA-2021:0876-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:0876
Issue date: 2021-03-16
CVE Names: CVE-2019-11756 CVE-2019-17006 CVE-2019-17007
CVE-2020-12403
====================================================================
1. Summary:

An update for nss and nss-softokn is now available for Red Hat Enterprise
Linux 7.6 Extended Update Support.

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 ComputeNode EUS (v. 7.6) - x86_64
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6) - x86_64
Red Hat Enterprise Linux Server EUS (v. 7.6) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional EUS (v. 7.6) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, ppc64le, s390x
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - aarch64, ppc64le, s390x

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.

The nss-softokn package provides the Network Security Services Softoken
Cryptographic Module.

Security Fix(es):

* nss: Use-after-free in sftk_FreeSession due to improper refcounting
(CVE-2019-11756)

* nss: Check length of inputs for cryptographic primitives (CVE-2019-17006)

* nss: Handling of Netscape Certificate Sequences in
CERT_DecodeCertPackage() may crash with a NULL deref leading to DoS
(CVE-2019-17007)

* nss: CHACHA20-POLY1305 decryption with undersized tag leads to
out-of-bounds read (CVE-2020-12403)

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/):

1703979 - CVE-2019-17007 nss: Handling of Netscape Certificate Sequences in CERT_DecodeCertPackage() may crash with a NULL deref leading to DoS
1774835 - CVE-2019-11756 nss: Use-after-free in sftk_FreeSession due to improper refcounting
1775916 - CVE-2019-17006 nss: Check length of inputs for cryptographic primitives
1868931 - CVE-2020-12403 nss: CHACHA20-POLY1305 decryption with undersized tag leads to out-of-bounds read

6. Package List:

Red Hat Enterprise Linux ComputeNode EUS (v. 7.6):

Source:
nss-3.36.0-9.el7_6.src.rpm
nss-softokn-3.36.0-7.el7_6.src.rpm

x86_64:
nss-3.36.0-9.el7_6.i686.rpm
nss-3.36.0-9.el7_6.x86_64.rpm
nss-debuginfo-3.36.0-9.el7_6.i686.rpm
nss-debuginfo-3.36.0-9.el7_6.x86_64.rpm
nss-softokn-3.36.0-7.el7_6.i686.rpm
nss-softokn-3.36.0-7.el7_6.x86_64.rpm
nss-softokn-debuginfo-3.36.0-7.el7_6.i686.rpm
nss-softokn-debuginfo-3.36.0-7.el7_6.x86_64.rpm
nss-softokn-freebl-3.36.0-7.el7_6.i686.rpm
nss-softokn-freebl-3.36.0-7.el7_6.x86_64.rpm
nss-sysinit-3.36.0-9.el7_6.x86_64.rpm
nss-tools-3.36.0-9.el7_6.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6):

x86_64:
nss-debuginfo-3.36.0-9.el7_6.i686.rpm
nss-debuginfo-3.36.0-9.el7_6.x86_64.rpm
nss-devel-3.36.0-9.el7_6.i686.rpm
nss-devel-3.36.0-9.el7_6.x86_64.rpm
nss-pkcs11-devel-3.36.0-9.el7_6.i686.rpm
nss-pkcs11-devel-3.36.0-9.el7_6.x86_64.rpm
nss-softokn-debuginfo-3.36.0-7.el7_6.i686.rpm
nss-softokn-debuginfo-3.36.0-7.el7_6.x86_64.rpm
nss-softokn-devel-3.36.0-7.el7_6.i686.rpm
nss-softokn-devel-3.36.0-7.el7_6.x86_64.rpm
nss-softokn-freebl-devel-3.36.0-7.el7_6.i686.rpm
nss-softokn-freebl-devel-3.36.0-7.el7_6.x86_64.rpm

Red Hat Enterprise Linux Server EUS (v. 7.6):

Source:
nss-3.36.0-9.el7_6.src.rpm
nss-softokn-3.36.0-7.el7_6.src.rpm

ppc64:
nss-3.36.0-9.el7_6.ppc.rpm
nss-3.36.0-9.el7_6.ppc64.rpm
nss-debuginfo-3.36.0-9.el7_6.ppc.rpm
nss-debuginfo-3.36.0-9.el7_6.ppc64.rpm
nss-devel-3.36.0-9.el7_6.ppc.rpm
nss-devel-3.36.0-9.el7_6.ppc64.rpm
nss-softokn-3.36.0-7.el7_6.ppc.rpm
nss-softokn-3.36.0-7.el7_6.ppc64.rpm
nss-softokn-debuginfo-3.36.0-7.el7_6.ppc.rpm
nss-softokn-debuginfo-3.36.0-7.el7_6.ppc64.rpm
nss-softokn-devel-3.36.0-7.el7_6.ppc.rpm
nss-softokn-devel-3.36.0-7.el7_6.ppc64.rpm
nss-softokn-freebl-3.36.0-7.el7_6.ppc.rpm
nss-softokn-freebl-3.36.0-7.el7_6.ppc64.rpm
nss-softokn-freebl-devel-3.36.0-7.el7_6.ppc.rpm
nss-softokn-freebl-devel-3.36.0-7.el7_6.ppc64.rpm
nss-sysinit-3.36.0-9.el7_6.ppc64.rpm
nss-tools-3.36.0-9.el7_6.ppc64.rpm

ppc64le:
nss-3.36.0-9.el7_6.ppc64le.rpm
nss-debuginfo-3.36.0-9.el7_6.ppc64le.rpm
nss-devel-3.36.0-9.el7_6.ppc64le.rpm
nss-softokn-3.36.0-7.el7_6.ppc64le.rpm
nss-softokn-debuginfo-3.36.0-7.el7_6.ppc64le.rpm
nss-softokn-devel-3.36.0-7.el7_6.ppc64le.rpm
nss-softokn-freebl-3.36.0-7.el7_6.ppc64le.rpm
nss-softokn-freebl-devel-3.36.0-7.el7_6.ppc64le.rpm
nss-sysinit-3.36.0-9.el7_6.ppc64le.rpm
nss-tools-3.36.0-9.el7_6.ppc64le.rpm

s390x:
nss-3.36.0-9.el7_6.s390.rpm
nss-3.36.0-9.el7_6.s390x.rpm
nss-debuginfo-3.36.0-9.el7_6.s390.rpm
nss-debuginfo-3.36.0-9.el7_6.s390x.rpm
nss-devel-3.36.0-9.el7_6.s390.rpm
nss-devel-3.36.0-9.el7_6.s390x.rpm
nss-softokn-3.36.0-7.el7_6.s390.rpm
nss-softokn-3.36.0-7.el7_6.s390x.rpm
nss-softokn-debuginfo-3.36.0-7.el7_6.s390.rpm
nss-softokn-debuginfo-3.36.0-7.el7_6.s390x.rpm
nss-softokn-devel-3.36.0-7.el7_6.s390.rpm
nss-softokn-devel-3.36.0-7.el7_6.s390x.rpm
nss-softokn-freebl-3.36.0-7.el7_6.s390.rpm
nss-softokn-freebl-3.36.0-7.el7_6.s390x.rpm
nss-softokn-freebl-devel-3.36.0-7.el7_6.s390.rpm
nss-softokn-freebl-devel-3.36.0-7.el7_6.s390x.rpm
nss-sysinit-3.36.0-9.el7_6.s390x.rpm
nss-tools-3.36.0-9.el7_6.s390x.rpm

x86_64:
nss-3.36.0-9.el7_6.i686.rpm
nss-3.36.0-9.el7_6.x86_64.rpm
nss-debuginfo-3.36.0-9.el7_6.i686.rpm
nss-debuginfo-3.36.0-9.el7_6.x86_64.rpm
nss-devel-3.36.0-9.el7_6.i686.rpm
nss-devel-3.36.0-9.el7_6.x86_64.rpm
nss-softokn-3.36.0-7.el7_6.i686.rpm
nss-softokn-3.36.0-7.el7_6.x86_64.rpm
nss-softokn-debuginfo-3.36.0-7.el7_6.i686.rpm
nss-softokn-debuginfo-3.36.0-7.el7_6.x86_64.rpm
nss-softokn-devel-3.36.0-7.el7_6.i686.rpm
nss-softokn-devel-3.36.0-7.el7_6.x86_64.rpm
nss-softokn-freebl-3.36.0-7.el7_6.i686.rpm
nss-softokn-freebl-3.36.0-7.el7_6.x86_64.rpm
nss-softokn-freebl-devel-3.36.0-7.el7_6.i686.rpm
nss-softokn-freebl-devel-3.36.0-7.el7_6.x86_64.rpm
nss-sysinit-3.36.0-9.el7_6.x86_64.rpm
nss-tools-3.36.0-9.el7_6.x86_64.rpm

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):

Source:
nss-3.36.0-9.el7_6.src.rpm
nss-softokn-3.36.0-7.el7_6.src.rpm

aarch64:
nss-3.36.0-9.el7_6.aarch64.rpm
nss-debuginfo-3.36.0-9.el7_6.aarch64.rpm
nss-devel-3.36.0-9.el7_6.aarch64.rpm
nss-softokn-3.36.0-7.el7_6.aarch64.rpm
nss-softokn-debuginfo-3.36.0-7.el7_6.aarch64.rpm
nss-softokn-devel-3.36.0-7.el7_6.aarch64.rpm
nss-softokn-freebl-3.36.0-7.el7_6.aarch64.rpm
nss-softokn-freebl-devel-3.36.0-7.el7_6.aarch64.rpm
nss-sysinit-3.36.0-9.el7_6.aarch64.rpm
nss-tools-3.36.0-9.el7_6.aarch64.rpm

ppc64le:
nss-3.36.0-9.el7_6.ppc64le.rpm
nss-debuginfo-3.36.0-9.el7_6.ppc64le.rpm
nss-devel-3.36.0-9.el7_6.ppc64le.rpm
nss-softokn-3.36.0-7.el7_6.ppc64le.rpm
nss-softokn-debuginfo-3.36.0-7.el7_6.ppc64le.rpm
nss-softokn-devel-3.36.0-7.el7_6.ppc64le.rpm
nss-softokn-freebl-3.36.0-7.el7_6.ppc64le.rpm
nss-softokn-freebl-devel-3.36.0-7.el7_6.ppc64le.rpm
nss-sysinit-3.36.0-9.el7_6.ppc64le.rpm
nss-tools-3.36.0-9.el7_6.ppc64le.rpm

s390x:
nss-3.36.0-9.el7_6.s390.rpm
nss-3.36.0-9.el7_6.s390x.rpm
nss-debuginfo-3.36.0-9.el7_6.s390.rpm
nss-debuginfo-3.36.0-9.el7_6.s390x.rpm
nss-devel-3.36.0-9.el7_6.s390.rpm
nss-devel-3.36.0-9.el7_6.s390x.rpm
nss-softokn-3.36.0-7.el7_6.s390.rpm
nss-softokn-3.36.0-7.el7_6.s390x.rpm
nss-softokn-debuginfo-3.36.0-7.el7_6.s390.rpm
nss-softokn-debuginfo-3.36.0-7.el7_6.s390x.rpm
nss-softokn-devel-3.36.0-7.el7_6.s390.rpm
nss-softokn-devel-3.36.0-7.el7_6.s390x.rpm
nss-softokn-freebl-3.36.0-7.el7_6.s390.rpm
nss-softokn-freebl-3.36.0-7.el7_6.s390x.rpm
nss-softokn-freebl-devel-3.36.0-7.el7_6.s390.rpm
nss-softokn-freebl-devel-3.36.0-7.el7_6.s390x.rpm
nss-sysinit-3.36.0-9.el7_6.s390x.rpm
nss-tools-3.36.0-9.el7_6.s390x.rpm

Red Hat Enterprise Linux Server Optional EUS (v. 7.6):

ppc64:
nss-debuginfo-3.36.0-9.el7_6.ppc.rpm
nss-debuginfo-3.36.0-9.el7_6.ppc64.rpm
nss-pkcs11-devel-3.36.0-9.el7_6.ppc.rpm
nss-pkcs11-devel-3.36.0-9.el7_6.ppc64.rpm

ppc64le:
nss-debuginfo-3.36.0-9.el7_6.ppc64le.rpm
nss-pkcs11-devel-3.36.0-9.el7_6.ppc64le.rpm

s390x:
nss-debuginfo-3.36.0-9.el7_6.s390.rpm
nss-debuginfo-3.36.0-9.el7_6.s390x.rpm
nss-pkcs11-devel-3.36.0-9.el7_6.s390.rpm
nss-pkcs11-devel-3.36.0-9.el7_6.s390x.rpm

x86_64:
nss-debuginfo-3.36.0-9.el7_6.i686.rpm
nss-debuginfo-3.36.0-9.el7_6.x86_64.rpm
nss-pkcs11-devel-3.36.0-9.el7_6.i686.rpm
nss-pkcs11-devel-3.36.0-9.el7_6.x86_64.rpm

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7):

aarch64:
nss-debuginfo-3.36.0-9.el7_6.aarch64.rpm
nss-pkcs11-devel-3.36.0-9.el7_6.aarch64.rpm

ppc64le:
nss-debuginfo-3.36.0-9.el7_6.ppc64le.rpm
nss-pkcs11-devel-3.36.0-9.el7_6.ppc64le.rpm

s390x:
nss-debuginfo-3.36.0-9.el7_6.s390.rpm
nss-debuginfo-3.36.0-9.el7_6.s390x.rpm
nss-pkcs11-devel-3.36.0-9.el7_6.s390.rpm
nss-pkcs11-devel-3.36.0-9.el7_6.s390x.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-2019-11756
https://access.redhat.com/security/cve/CVE-2019-17006
https://access.redhat.com/security/cve/CVE-2019-17007
https://access.redhat.com/security/cve/CVE-2020-12403
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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