RHSA-2021:0538: Security update for 10 packages

RHSA-2021:0538, released February 16, 2021, fixes 4 CVEs across 10 products. None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

9.1

Base score, 0 to 10

Highest EPSS

0.0154

75th percentile

Priority of the 4 CVEs

Patch now 0
                                Urgent 0
                                High 1
                                Routine 3

Fixed package versions

Product	Release	Fixed in
nss	RHEL 8	0:3.53.1-17.el8_3
nss-devel	RHEL 8	0:3.53.1-17.el8_3
nss-softokn	RHEL 8	0:3.53.1-17.el8_3
nss-softokn-devel	RHEL 8	0:3.53.1-17.el8_3
nss-softokn-freebl	RHEL 8	0:3.53.1-17.el8_3
nss-softokn-freebl-devel	RHEL 8	0:3.53.1-17.el8_3
nss-sysinit	RHEL 8	0:3.53.1-17.el8_3
nss-tools	RHEL 8	0:3.53.1-17.el8_3
nss-util	RHEL 8	0:3.53.1-17.el8_3
nss-util-devel	RHEL 8	0:3.53.1-17.el8_3

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2020-12403	nss: Network Security Services (NSS) is a set of libraries designed to support the cross-platform development of security-...	9.1	0.0154	None reported
Routine	CVE-2020-6829	Firefox ESR and 1 other: When performing EC scalar point multiplication, the wNAF point multiplication algorithm was used; which…	5.3	0.0148	None reported
Routine	CVE-2020-12401	Firefox ESR and 1 other: During ECDSA signature generation, padding applied in the nonce designed to ensure constant-time scalar…	4.7	0.0033	None reported
Routine	CVE-2020-12400	Firefox ESR and 1 other: When converting coordinates from projective to affine, the modular inversion was not performed in constant…	4.7	0.0027	None reported

Also fixes CVE-2020-12403

ELSA-2021-0538
nss, nss-devel, nss-softokn and 7 more on ol 8
libnss3 2:3.35-2ubuntu2.12
libnss3 on Ubuntu 18.04.6 LTS (bionic)
libnss3 2:3.49.1-1ubuntu1.5
libnss3 on Ubuntu 20.04 LTS (focal)
libnss3-tools 2:3.35-2ubuntu2.12
libnss3-tools on Ubuntu 18.04.6 LTS (bionic)
libnss3-tools 2:3.49.1-1ubuntu1.5
libnss3-tools on Ubuntu 20.04 LTS (focal)

Vendor advisory

https://access.redhat.com/errata/RHSA-2021:0538

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