Issued:: 2020-09-29
Updated:: 2020-09-29

RHSA-2020:4076 - Moderate: nss and nspr security, bug fix, and enhancement update

Synopsis

Moderate: nss and nspr security, bug fix, and enhancement update

Type/Severity

Security Advisory Moderate

Topic

An update for nss, nss-softokn, nss-util, and nspr is now available for Red Hat Enterprise Linux 7.

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.

Netscape Portable Runtime (NSPR) provides platform independence for non-GUI operating system facilities.

The following packages have been upgraded to a later upstream version: nss (3.53.1), nss-softokn (3.53.1), nss-util (3.53.1), nspr (4.25.0). (BZ#1804262, BZ#1804264, BZ#1804271, BZ#1804273)

Security Fix(es):

nss: Out-of-bounds read when importing curve25519 private key (CVE-2019-11719)
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: 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: ECDSA timing attack mitigation bypass (CVE-2020-12401)
nss: Side channel vulnerabilities during RSA key generation (CVE-2020-12402)
nss: CHACHA20-POLY1305 decryption with undersized tag leads to out-of-bounds read (CVE-2020-12403)
nss: PKCS#1 v1.5 signatures can be used for TLS 1.3 (CVE-2019-11727)
nss: TLS 1.3 HelloRetryRequest downgrade request sets client into invalid state (CVE-2019-17023)

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):

Memory leak: libcurl leaks 120 bytes on each connection (BZ#1688958)
NSS does not set downgrade sentinel in ServerHello.random for TLS 1.0 and TLS 1.1 (BZ#1712924)
Make TLS 1.3 work in FIPS mode (BZ#1724251)
Name Constraints validation: CN treated as DNS name even when syntactically invalid as DNS name (BZ#1737910)
x25519 allowed in FIPS mode (BZ#1754518)
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 (BZ#1779325)
Running ipa-backup continuously causes httpd to crash and makes it irrecoverable (BZ#1804015)
nss needs to comply to the new SP800-56A rev 3 requirements (BZ#1857308)
KDF-self-tests-induced changes for nss in RHEL 7.9 (BZ#1870885)

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 or NSPR (for example, Firefox) must be restarted for this update to take effect.

Affected Products

Product	Version	Arch
Red Hat Enterprise Linux for Scientific Computing	7	x86_64
Red Hat Enterprise Linux for Power, little endian	7	ppc64le
Red Hat Enterprise Linux for Power, big endian	7	ppc64
Red Hat Enterprise Linux for IBM z Systems	7	s390x
Red Hat Enterprise Linux Workstation	7	x86_64
Red Hat Enterprise Linux Server	7	x86_64
Red Hat Enterprise Linux Server - Extended Life Cycle Support	7	x86_64
Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian	7	ppc64le
Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian	7	ppc64
Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems)	7	s390x
Red Hat Enterprise Linux Desktop	7	x86_64

Updated Packages

nspr-4.25.0-2.el7_9.ppc.rpm
nss-tools-3.53.1-3.el7_9.ppc64.rpm
nss-3.53.1-3.el7_9.s390.rpm
nss-debuginfo-3.53.1-3.el7_9.ppc.rpm
nss-softokn-freebl-3.53.1-6.el7_9.s390x.rpm
nss-tools-3.53.1-3.el7_9.x86_64.rpm
nss-3.53.1-3.el7_9.ppc64.rpm
nspr-devel-4.25.0-2.el7_9.i686.rpm
nss-softokn-3.53.1-6.el7_9.s390.rpm
nss-util-debuginfo-3.53.1-1.el7_9.s390.rpm
nss-util-3.53.1-1.el7_9.src.rpm
nss-pkcs11-devel-3.53.1-3.el7_9.ppc64le.rpm
nspr-4.25.0-2.el7_9.src.rpm
nss-sysinit-3.53.1-3.el7_9.ppc64le.rpm
nss-debuginfo-3.53.1-3.el7_9.ppc64.rpm
nss-util-3.53.1-1.el7_9.ppc.rpm
nss-pkcs11-devel-3.53.1-3.el7_9.x86_64.rpm
nspr-debuginfo-4.25.0-2.el7_9.i686.rpm
nss-3.53.1-3.el7_9.s390x.rpm
nss-tools-3.53.1-3.el7_9.s390x.rpm
nss-util-3.53.1-1.el7_9.i686.rpm
nss-3.53.1-3.el7_9.src.rpm
nss-softokn-devel-3.53.1-6.el7_9.s390x.rpm
nss-softokn-freebl-devel-3.53.1-6.el7_9.i686.rpm
nss-devel-3.53.1-3.el7_9.ppc64le.rpm
nss-devel-3.53.1-3.el7_9.s390.rpm
nss-util-debuginfo-3.53.1-1.el7_9.ppc64le.rpm
nss-softokn-freebl-3.53.1-6.el7_9.i686.rpm
nss-pkcs11-devel-3.53.1-3.el7_9.s390x.rpm
nss-softokn-3.53.1-6.el7_9.i686.rpm
nss-debuginfo-3.53.1-3.el7_9.s390x.rpm
nss-pkcs11-devel-3.53.1-3.el7_9.i686.rpm
nss-softokn-freebl-3.53.1-6.el7_9.s390.rpm
nspr-devel-4.25.0-2.el7_9.ppc64le.rpm
nspr-debuginfo-4.25.0-2.el7_9.s390x.rpm
nss-softokn-freebl-devel-3.53.1-6.el7_9.ppc.rpm
nss-devel-3.53.1-3.el7_9.ppc.rpm
nspr-4.25.0-2.el7_9.x86_64.rpm
nss-debuginfo-3.53.1-3.el7_9.i686.rpm
nss-devel-3.53.1-3.el7_9.s390x.rpm
nss-devel-3.53.1-3.el7_9.ppc64.rpm
nss-softokn-debuginfo-3.53.1-6.el7_9.i686.rpm
nspr-debuginfo-4.25.0-2.el7_9.ppc64.rpm
nspr-4.25.0-2.el7_9.s390x.rpm
nspr-devel-4.25.0-2.el7_9.ppc64.rpm
nss-softokn-devel-3.53.1-6.el7_9.ppc.rpm
nspr-4.25.0-2.el7_9.ppc64.rpm
nss-softokn-3.53.1-6.el7_9.s390x.rpm
nss-softokn-freebl-devel-3.53.1-6.el7_9.s390.rpm
nss-util-devel-3.53.1-1.el7_9.s390.rpm
nss-tools-3.53.1-3.el7_9.ppc64le.rpm
nss-softokn-debuginfo-3.53.1-6.el7_9.s390x.rpm
nss-softokn-3.53.1-6.el7_9.ppc64.rpm
nss-debuginfo-3.53.1-3.el7_9.s390.rpm
nspr-4.25.0-2.el7_9.s390.rpm
nss-util-3.53.1-1.el7_9.ppc64le.rpm
nspr-debuginfo-4.25.0-2.el7_9.x86_64.rpm
nspr-debuginfo-4.25.0-2.el7_9.ppc.rpm
nss-softokn-freebl-3.53.1-6.el7_9.x86_64.rpm
nss-softokn-3.53.1-6.el7_9.x86_64.rpm
nss-softokn-debuginfo-3.53.1-6.el7_9.ppc64le.rpm
nss-3.53.1-3.el7_9.ppc64le.rpm
nss-util-debuginfo-3.53.1-1.el7_9.ppc.rpm
nss-util-devel-3.53.1-1.el7_9.i686.rpm
nss-util-debuginfo-3.53.1-1.el7_9.x86_64.rpm
nss-softokn-debuginfo-3.53.1-6.el7_9.ppc64.rpm
nspr-4.25.0-2.el7_9.ppc64le.rpm
nss-devel-3.53.1-3.el7_9.i686.rpm
nss-util-3.53.1-1.el7_9.s390.rpm
nss-softokn-debuginfo-3.53.1-6.el7_9.ppc.rpm
nss-util-debuginfo-3.53.1-1.el7_9.i686.rpm
nspr-devel-4.25.0-2.el7_9.s390.rpm
nss-3.53.1-3.el7_9.i686.rpm
nss-softokn-devel-3.53.1-6.el7_9.x86_64.rpm
nss-util-devel-3.53.1-1.el7_9.s390x.rpm
nss-devel-3.53.1-3.el7_9.x86_64.rpm
nss-sysinit-3.53.1-3.el7_9.ppc64.rpm
nss-softokn-devel-3.53.1-6.el7_9.ppc64.rpm
nss-sysinit-3.53.1-3.el7_9.x86_64.rpm
nss-util-debuginfo-3.53.1-1.el7_9.s390x.rpm
nss-util-3.53.1-1.el7_9.ppc64.rpm
nss-softokn-devel-3.53.1-6.el7_9.i686.rpm
nss-softokn-devel-3.53.1-6.el7_9.ppc64le.rpm
nss-softokn-freebl-3.53.1-6.el7_9.ppc64.rpm
nss-softokn-3.53.1-6.el7_9.src.rpm
nss-util-devel-3.53.1-1.el7_9.ppc64.rpm
nspr-4.25.0-2.el7_9.i686.rpm
nspr-devel-4.25.0-2.el7_9.x86_64.rpm
nss-softokn-debuginfo-3.53.1-6.el7_9.x86_64.rpm
nss-util-devel-3.53.1-1.el7_9.ppc64le.rpm
nss-pkcs11-devel-3.53.1-3.el7_9.ppc64.rpm
nss-softokn-freebl-devel-3.53.1-6.el7_9.s390x.rpm
nss-softokn-freebl-3.53.1-6.el7_9.ppc64le.rpm
nss-softokn-devel-3.53.1-6.el7_9.s390.rpm
nss-util-3.53.1-1.el7_9.s390x.rpm
nss-softokn-3.53.1-6.el7_9.ppc.rpm
nss-pkcs11-devel-3.53.1-3.el7_9.ppc.rpm
nspr-devel-4.25.0-2.el7_9.s390x.rpm
nss-3.53.1-3.el7_9.ppc.rpm
nss-pkcs11-devel-3.53.1-3.el7_9.s390.rpm
nss-softokn-freebl-devel-3.53.1-6.el7_9.ppc64.rpm
nss-util-3.53.1-1.el7_9.x86_64.rpm
nss-softokn-freebl-devel-3.53.1-6.el7_9.ppc64le.rpm
nss-util-debuginfo-3.53.1-1.el7_9.ppc64.rpm
nss-debuginfo-3.53.1-3.el7_9.ppc64le.rpm
nspr-debuginfo-4.25.0-2.el7_9.s390.rpm
nss-debuginfo-3.53.1-3.el7_9.x86_64.rpm
nss-softokn-freebl-3.53.1-6.el7_9.ppc.rpm
nspr-debuginfo-4.25.0-2.el7_9.ppc64le.rpm
nss-softokn-freebl-devel-3.53.1-6.el7_9.x86_64.rpm
nspr-devel-4.25.0-2.el7_9.ppc.rpm
nss-sysinit-3.53.1-3.el7_9.s390x.rpm
nss-3.53.1-3.el7_9.x86_64.rpm
nss-softokn-debuginfo-3.53.1-6.el7_9.s390.rpm
nss-util-devel-3.53.1-1.el7_9.x86_64.rpm
nss-softokn-3.53.1-6.el7_9.ppc64le.rpm
nss-util-devel-3.53.1-1.el7_9.ppc.rpm

Fixes

CVEs

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.