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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 <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
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