Issued:

2021-02-16

Updated:

2021-02-16

RHSA-2021:0538 - Moderate: nss security and bug fix update

Synopsis

Moderate: nss security and bug fix update

Type/Severity

Security Advisory Moderate

Topic

An update for nss 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.

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: Side channel attack on ECDSA signature generation (CVE-2020-6829)

• nss: P-384 and P-521 implementation uses a side-channel vulnerable modular inversion function (CVE-2020-12400)

• 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.

Bug Fix(es):

• Support key wrap/unwrap with RSA-OAEP (BZ#1896431)

• 1536bit group from RFC3526 is allowed in FIPS mode when in policy DH-MIN is set to be lower than 1536 (BZ#1896432)

• when NSS_SDB_USE_CACHE not set, after curl access https, dentry increase but never released - consider alternative algorithm for benchmarking ACCESS call in sdb_measureAccess [rhel-8] (BZ#1896933)

• Policy should allow overriding library defaults (BZ#1898702)

• KDF-self-tests-induced changes for nss in RHEL 8.4 (BZ#1898953)

• nss: non-blocksize requests to IKEv1 KDF returns bogus output (BZ#1904408)

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.

Affected Products

Updated Packages

• nss-debugsource-3.53.1-17.el8_3.ppc64le.rpm
• nss-softokn-3.53.1-17.el8_3.i686.rpm
• nss-softokn-devel-3.53.1-17.el8_3.aarch64.rpm
• nss-softokn-freebl-devel-3.53.1-17.el8_3.x86_64.rpm
• nss-tools-debuginfo-3.53.1-17.el8_3.aarch64.rpm
• nss-util-debuginfo-3.53.1-17.el8_3.ppc64le.rpm
• nss-util-devel-3.53.1-17.el8_3.aarch64.rpm
• nss-softokn-debuginfo-3.53.1-17.el8_3.x86_64.rpm
• nss-util-devel-3.53.1-17.el8_3.i686.rpm
• nss-util-3.53.1-17.el8_3.x86_64.rpm
• nss-3.53.1-17.el8_3.ppc64le.rpm
• nss-sysinit-3.53.1-17.el8_3.s390x.rpm
• nss-sysinit-debuginfo-3.53.1-17.el8_3.x86_64.rpm
• nss-util-devel-3.53.1-17.el8_3.x86_64.rpm
• nss-debugsource-3.53.1-17.el8_3.x86_64.rpm
• nss-tools-3.53.1-17.el8_3.s390x.rpm
• nss-softokn-devel-3.53.1-17.el8_3.ppc64le.rpm
• nss-sysinit-debuginfo-3.53.1-17.el8_3.i686.rpm
• nss-util-debuginfo-3.53.1-17.el8_3.s390x.rpm
• nss-softokn-freebl-3.53.1-17.el8_3.i686.rpm
• nss-softokn-devel-3.53.1-17.el8_3.i686.rpm
• nss-util-debuginfo-3.53.1-17.el8_3.aarch64.rpm
• nss-softokn-freebl-debuginfo-3.53.1-17.el8_3.s390x.rpm
• nss-debugsource-3.53.1-17.el8_3.aarch64.rpm
• nss-debuginfo-3.53.1-17.el8_3.s390x.rpm
• nss-softokn-3.53.1-17.el8_3.aarch64.rpm
• nss-softokn-freebl-debuginfo-3.53.1-17.el8_3.x86_64.rpm
• nss-softokn-devel-3.53.1-17.el8_3.s390x.rpm
• nss-softokn-freebl-debuginfo-3.53.1-17.el8_3.aarch64.rpm
• nss-softokn-freebl-debuginfo-3.53.1-17.el8_3.ppc64le.rpm
• nss-util-3.53.1-17.el8_3.ppc64le.rpm
• nss-tools-debuginfo-3.53.1-17.el8_3.i686.rpm
• nss-tools-3.53.1-17.el8_3.x86_64.rpm
• nss-softokn-freebl-debuginfo-3.53.1-17.el8_3.i686.rpm
• nss-util-3.53.1-17.el8_3.s390x.rpm
• nss-debugsource-3.53.1-17.el8_3.s390x.rpm
• nss-devel-3.53.1-17.el8_3.x86_64.rpm
• nss-softokn-debuginfo-3.53.1-17.el8_3.i686.rpm
• nss-softokn-freebl-3.53.1-17.el8_3.x86_64.rpm
• nss-tools-debuginfo-3.53.1-17.el8_3.x86_64.rpm
• nss-util-debuginfo-3.53.1-17.el8_3.i686.rpm
• nss-debugsource-3.53.1-17.el8_3.i686.rpm
• nss-devel-3.53.1-17.el8_3.s390x.rpm
• nss-3.53.1-17.el8_3.aarch64.rpm
• nss-softokn-freebl-3.53.1-17.el8_3.ppc64le.rpm
• nss-sysinit-3.53.1-17.el8_3.x86_64.rpm
• nss-sysinit-debuginfo-3.53.1-17.el8_3.ppc64le.rpm
• nss-3.53.1-17.el8_3.i686.rpm
• nss-3.53.1-17.el8_3.src.rpm
• nss-tools-3.53.1-17.el8_3.ppc64le.rpm
• nss-softokn-debuginfo-3.53.1-17.el8_3.s390x.rpm
• nss-debuginfo-3.53.1-17.el8_3.i686.rpm
• nss-devel-3.53.1-17.el8_3.aarch64.rpm
• nss-devel-3.53.1-17.el8_3.ppc64le.rpm
• nss-util-3.53.1-17.el8_3.aarch64.rpm
• nss-util-debuginfo-3.53.1-17.el8_3.x86_64.rpm
• nss-util-devel-3.53.1-17.el8_3.s390x.rpm
• nss-softokn-debuginfo-3.53.1-17.el8_3.aarch64.rpm
• nss-debuginfo-3.53.1-17.el8_3.ppc64le.rpm
• nss-softokn-devel-3.53.1-17.el8_3.x86_64.rpm
• nss-softokn-3.53.1-17.el8_3.ppc64le.rpm
• nss-softokn-freebl-3.53.1-17.el8_3.s390x.rpm
• nss-3.53.1-17.el8_3.s390x.rpm
• nss-sysinit-3.53.1-17.el8_3.aarch64.rpm
• nss-sysinit-debuginfo-3.53.1-17.el8_3.aarch64.rpm
• nss-softokn-debuginfo-3.53.1-17.el8_3.ppc64le.rpm
• nss-softokn-freebl-devel-3.53.1-17.el8_3.aarch64.rpm
• nss-softokn-freebl-devel-3.53.1-17.el8_3.i686.rpm
• nss-sysinit-3.53.1-17.el8_3.ppc64le.rpm
• nss-softokn-freebl-devel-3.53.1-17.el8_3.ppc64le.rpm
• nss-util-3.53.1-17.el8_3.i686.rpm
• nss-tools-debuginfo-3.53.1-17.el8_3.s390x.rpm
• nss-util-devel-3.53.1-17.el8_3.ppc64le.rpm
• nss-softokn-freebl-3.53.1-17.el8_3.aarch64.rpm
• nss-3.53.1-17.el8_3.x86_64.rpm
• nss-debuginfo-3.53.1-17.el8_3.x86_64.rpm
• nss-tools-debuginfo-3.53.1-17.el8_3.ppc64le.rpm
• nss-devel-3.53.1-17.el8_3.i686.rpm
• nss-debuginfo-3.53.1-17.el8_3.aarch64.rpm
• nss-softokn-3.53.1-17.el8_3.s390x.rpm
• nss-softokn-freebl-devel-3.53.1-17.el8_3.s390x.rpm
• nss-sysinit-debuginfo-3.53.1-17.el8_3.s390x.rpm
• nss-softokn-3.53.1-17.el8_3.x86_64.rpm
• nss-tools-3.53.1-17.el8_3.aarch64.rpm

Fixes

• This content is not included.BZ - 1826187
• This content is not included.BZ - 1853983
• This content is not included.BZ - 1868931
• This content is not included.BZ - 1896431
• This content is not included.BZ - 1896432
• This content is not included.BZ - 1896933
• This content is not included.BZ - 1898953

CVEs

• CVE-2020-6829
• CVE-2020-12400
• CVE-2020-12401
• CVE-2020-12403

References

• https://access.redhat.com/security/updates/classification/#moderate

Additional information

• The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
• Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.