Sigurnosni nedostaci programskih paketa nss i nspr

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

Synopsis: Moderate: nss and nspr security, bug fix, and enhancement update
Advisory ID: RHSA-2020:4076-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:4076
Issue date: 2020-09-29
CVE Names: CVE-2019-11719 CVE-2019-11727 CVE-2019-11756
CVE-2019-17006 CVE-2019-17023 CVE-2020-6829
CVE-2020-12400 CVE-2020-12401 CVE-2020-12402
CVE-2020-12403
=====================================================================

1. Summary:

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.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Client (v. 7) – x86_64
Red Hat Enterprise Linux Client Optional (v. 7) – x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) – x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) – x86_64
Red Hat Enterprise Linux Server (v. 7) – ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) – ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) – x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) – x86_64

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.

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)

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

5. Bugs fixed (https://bugzilla.redhat.com/):

1688958 – Memory leak: libcurl leaks 120 bytes on each connection [rhel-7.9.z]
1724251 – Make TLS 1.3 work in FIPS mode [rhel-7.9.z]
1728436 – CVE-2019-11719 nss: Out-of-bounds read when importing curve25519 private key
1730988 – CVE-2019-11727 nss: PKCS#1 v1.5 signatures can be used for TLS 1.3
1737910 – Name Constraints validation: CN treated as DNS name even when syntactically invalid as DNS name [rhel-7.9.z]
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
1779325 – 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
1791225 – CVE-2019-17023 nss: TLS 1.3 HelloRetryRequest downgrade request sets client into invalid state
1804015 – Running ipa-backup continuously causes httpd to crash and makes it irrecoverable
1826187 – CVE-2020-6829 nss: Side channel attack on ECDSA signature generation
1826231 – CVE-2020-12402 nss: Side channel vulnerabilities during RSA key generation
1851294 – CVE-2020-12401 nss: ECDSA timing attack mitigation bypass
1853983 – CVE-2020-12400 nss: P-384 and P-521 implementation uses a side-channel vulnerable modular inversion function
1868931 – CVE-2020-12403 nss: CHACHA20-POLY1305 decryption with undersized tag leads to out-of-bounds read
1870885 – KDF-self-tests-induced changes for nss in RHEL 7.9

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
nspr-4.25.0-2.el7_9.src.rpm
nss-3.53.1-3.el7_9.src.rpm
nss-softokn-3.53.1-6.el7_9.src.rpm
nss-util-3.53.1-1.el7_9.src.rpm

x86_64:
nspr-4.25.0-2.el7_9.i686.rpm
nspr-4.25.0-2.el7_9.x86_64.rpm
nspr-debuginfo-4.25.0-2.el7_9.i686.rpm
nspr-debuginfo-4.25.0-2.el7_9.x86_64.rpm
nss-3.53.1-3.el7_9.i686.rpm
nss-3.53.1-3.el7_9.x86_64.rpm
nss-debuginfo-3.53.1-3.el7_9.i686.rpm
nss-debuginfo-3.53.1-3.el7_9.x86_64.rpm
nss-softokn-3.53.1-6.el7_9.i686.rpm
nss-softokn-3.53.1-6.el7_9.x86_64.rpm
nss-softokn-debuginfo-3.53.1-6.el7_9.i686.rpm
nss-softokn-debuginfo-3.53.1-6.el7_9.x86_64.rpm
nss-softokn-freebl-3.53.1-6.el7_9.i686.rpm
nss-softokn-freebl-3.53.1-6.el7_9.x86_64.rpm
nss-sysinit-3.53.1-3.el7_9.x86_64.rpm
nss-tools-3.53.1-3.el7_9.x86_64.rpm
nss-util-3.53.1-1.el7_9.i686.rpm
nss-util-3.53.1-1.el7_9.x86_64.rpm
nss-util-debuginfo-3.53.1-1.el7_9.i686.rpm
nss-util-debuginfo-3.53.1-1.el7_9.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

x86_64:
nspr-debuginfo-4.25.0-2.el7_9.i686.rpm
nspr-debuginfo-4.25.0-2.el7_9.x86_64.rpm
nspr-devel-4.25.0-2.el7_9.i686.rpm
nspr-devel-4.25.0-2.el7_9.x86_64.rpm
nss-debuginfo-3.53.1-3.el7_9.i686.rpm
nss-debuginfo-3.53.1-3.el7_9.x86_64.rpm
nss-devel-3.53.1-3.el7_9.i686.rpm
nss-devel-3.53.1-3.el7_9.x86_64.rpm
nss-pkcs11-devel-3.53.1-3.el7_9.i686.rpm
nss-pkcs11-devel-3.53.1-3.el7_9.x86_64.rpm
nss-softokn-debuginfo-3.53.1-6.el7_9.i686.rpm
nss-softokn-debuginfo-3.53.1-6.el7_9.x86_64.rpm
nss-softokn-devel-3.53.1-6.el7_9.i686.rpm
nss-softokn-devel-3.53.1-6.el7_9.x86_64.rpm
nss-softokn-freebl-devel-3.53.1-6.el7_9.i686.rpm
nss-softokn-freebl-devel-3.53.1-6.el7_9.x86_64.rpm
nss-util-debuginfo-3.53.1-1.el7_9.i686.rpm
nss-util-debuginfo-3.53.1-1.el7_9.x86_64.rpm
nss-util-devel-3.53.1-1.el7_9.i686.rpm
nss-util-devel-3.53.1-1.el7_9.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
nspr-4.25.0-2.el7_9.src.rpm
nss-3.53.1-3.el7_9.src.rpm
nss-softokn-3.53.1-6.el7_9.src.rpm
nss-util-3.53.1-1.el7_9.src.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

Red Hat Enterprise Linux Server (v. 7):

Source:
nspr-4.25.0-2.el7_9.src.rpm
nss-3.53.1-3.el7_9.src.rpm
nss-softokn-3.53.1-6.el7_9.src.rpm
nss-util-3.53.1-1.el7_9.src.rpm

ppc64:
nspr-4.25.0-2.el7_9.ppc.rpm
nspr-4.25.0-2.el7_9.ppc64.rpm
nspr-debuginfo-4.25.0-2.el7_9.ppc.rpm
nspr-debuginfo-4.25.0-2.el7_9.ppc64.rpm
nspr-devel-4.25.0-2.el7_9.ppc.rpm
nspr-devel-4.25.0-2.el7_9.ppc64.rpm
nss-3.53.1-3.el7_9.ppc.rpm
nss-3.53.1-3.el7_9.ppc64.rpm
nss-debuginfo-3.53.1-3.el7_9.ppc.rpm
nss-debuginfo-3.53.1-3.el7_9.ppc64.rpm
nss-devel-3.53.1-3.el7_9.ppc.rpm
nss-devel-3.53.1-3.el7_9.ppc64.rpm
nss-softokn-3.53.1-6.el7_9.ppc.rpm
nss-softokn-3.53.1-6.el7_9.ppc64.rpm
nss-softokn-debuginfo-3.53.1-6.el7_9.ppc.rpm
nss-softokn-debuginfo-3.53.1-6.el7_9.ppc64.rpm
nss-softokn-devel-3.53.1-6.el7_9.ppc.rpm
nss-softokn-devel-3.53.1-6.el7_9.ppc64.rpm
nss-softokn-freebl-3.53.1-6.el7_9.ppc.rpm
nss-softokn-freebl-3.53.1-6.el7_9.ppc64.rpm
nss-softokn-freebl-devel-3.53.1-6.el7_9.ppc.rpm
nss-softokn-freebl-devel-3.53.1-6.el7_9.ppc64.rpm
nss-sysinit-3.53.1-3.el7_9.ppc64.rpm
nss-tools-3.53.1-3.el7_9.ppc64.rpm
nss-util-3.53.1-1.el7_9.ppc.rpm
nss-util-3.53.1-1.el7_9.ppc64.rpm
nss-util-debuginfo-3.53.1-1.el7_9.ppc.rpm
nss-util-debuginfo-3.53.1-1.el7_9.ppc64.rpm
nss-util-devel-3.53.1-1.el7_9.ppc.rpm
nss-util-devel-3.53.1-1.el7_9.ppc64.rpm

ppc64le:
nspr-4.25.0-2.el7_9.ppc64le.rpm
nspr-debuginfo-4.25.0-2.el7_9.ppc64le.rpm
nspr-devel-4.25.0-2.el7_9.ppc64le.rpm
nss-3.53.1-3.el7_9.ppc64le.rpm
nss-debuginfo-3.53.1-3.el7_9.ppc64le.rpm
nss-devel-3.53.1-3.el7_9.ppc64le.rpm
nss-softokn-3.53.1-6.el7_9.ppc64le.rpm
nss-softokn-debuginfo-3.53.1-6.el7_9.ppc64le.rpm
nss-softokn-devel-3.53.1-6.el7_9.ppc64le.rpm
nss-softokn-freebl-3.53.1-6.el7_9.ppc64le.rpm
nss-softokn-freebl-devel-3.53.1-6.el7_9.ppc64le.rpm
nss-sysinit-3.53.1-3.el7_9.ppc64le.rpm
nss-tools-3.53.1-3.el7_9.ppc64le.rpm
nss-util-3.53.1-1.el7_9.ppc64le.rpm
nss-util-debuginfo-3.53.1-1.el7_9.ppc64le.rpm
nss-util-devel-3.53.1-1.el7_9.ppc64le.rpm

s390x:
nspr-4.25.0-2.el7_9.s390.rpm
nspr-4.25.0-2.el7_9.s390x.rpm
nspr-debuginfo-4.25.0-2.el7_9.s390.rpm
nspr-debuginfo-4.25.0-2.el7_9.s390x.rpm
nspr-devel-4.25.0-2.el7_9.s390.rpm
nspr-devel-4.25.0-2.el7_9.s390x.rpm
nss-3.53.1-3.el7_9.s390.rpm
nss-3.53.1-3.el7_9.s390x.rpm
nss-debuginfo-3.53.1-3.el7_9.s390.rpm
nss-debuginfo-3.53.1-3.el7_9.s390x.rpm
nss-devel-3.53.1-3.el7_9.s390.rpm
nss-devel-3.53.1-3.el7_9.s390x.rpm
nss-softokn-3.53.1-6.el7_9.s390.rpm
nss-softokn-3.53.1-6.el7_9.s390x.rpm
nss-softokn-debuginfo-3.53.1-6.el7_9.s390.rpm
nss-softokn-debuginfo-3.53.1-6.el7_9.s390x.rpm
nss-softokn-devel-3.53.1-6.el7_9.s390.rpm
nss-softokn-devel-3.53.1-6.el7_9.s390x.rpm
nss-softokn-freebl-3.53.1-6.el7_9.s390.rpm
nss-softokn-freebl-3.53.1-6.el7_9.s390x.rpm
nss-softokn-freebl-devel-3.53.1-6.el7_9.s390.rpm
nss-softokn-freebl-devel-3.53.1-6.el7_9.s390x.rpm
nss-sysinit-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.s390.rpm
nss-util-3.53.1-1.el7_9.s390x.rpm
nss-util-debuginfo-3.53.1-1.el7_9.s390.rpm
nss-util-debuginfo-3.53.1-1.el7_9.s390x.rpm
nss-util-devel-3.53.1-1.el7_9.s390.rpm
nss-util-devel-3.53.1-1.el7_9.s390x.rpm

x86_64:
nspr-4.25.0-2.el7_9.i686.rpm
nspr-4.25.0-2.el7_9.x86_64.rpm
nspr-debuginfo-4.25.0-2.el7_9.i686.rpm
nspr-debuginfo-4.25.0-2.el7_9.x86_64.rpm
nspr-devel-4.25.0-2.el7_9.i686.rpm
nspr-devel-4.25.0-2.el7_9.x86_64.rpm
nss-3.53.1-3.el7_9.i686.rpm
nss-3.53.1-3.el7_9.x86_64.rpm
nss-debuginfo-3.53.1-3.el7_9.i686.rpm
nss-debuginfo-3.53.1-3.el7_9.x86_64.rpm
nss-devel-3.53.1-3.el7_9.i686.rpm
nss-devel-3.53.1-3.el7_9.x86_64.rpm
nss-softokn-3.53.1-6.el7_9.i686.rpm
nss-softokn-3.53.1-6.el7_9.x86_64.rpm
nss-softokn-debuginfo-3.53.1-6.el7_9.i686.rpm
nss-softokn-debuginfo-3.53.1-6.el7_9.x86_64.rpm
nss-softokn-devel-3.53.1-6.el7_9.i686.rpm
nss-softokn-devel-3.53.1-6.el7_9.x86_64.rpm
nss-softokn-freebl-3.53.1-6.el7_9.i686.rpm
nss-softokn-freebl-3.53.1-6.el7_9.x86_64.rpm
nss-softokn-freebl-devel-3.53.1-6.el7_9.i686.rpm
nss-softokn-freebl-devel-3.53.1-6.el7_9.x86_64.rpm
nss-sysinit-3.53.1-3.el7_9.x86_64.rpm
nss-tools-3.53.1-3.el7_9.x86_64.rpm
nss-util-3.53.1-1.el7_9.i686.rpm
nss-util-3.53.1-1.el7_9.x86_64.rpm
nss-util-debuginfo-3.53.1-1.el7_9.i686.rpm
nss-util-debuginfo-3.53.1-1.el7_9.x86_64.rpm
nss-util-devel-3.53.1-1.el7_9.i686.rpm
nss-util-devel-3.53.1-1.el7_9.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

ppc64:
nss-debuginfo-3.53.1-3.el7_9.ppc.rpm
nss-debuginfo-3.53.1-3.el7_9.ppc64.rpm
nss-pkcs11-devel-3.53.1-3.el7_9.ppc.rpm
nss-pkcs11-devel-3.53.1-3.el7_9.ppc64.rpm

ppc64le:
nss-debuginfo-3.53.1-3.el7_9.ppc64le.rpm
nss-pkcs11-devel-3.53.1-3.el7_9.ppc64le.rpm

s390x:
nss-debuginfo-3.53.1-3.el7_9.s390.rpm
nss-debuginfo-3.53.1-3.el7_9.s390x.rpm
nss-pkcs11-devel-3.53.1-3.el7_9.s390.rpm
nss-pkcs11-devel-3.53.1-3.el7_9.s390x.rpm

x86_64:
nss-debuginfo-3.53.1-3.el7_9.i686.rpm
nss-debuginfo-3.53.1-3.el7_9.x86_64.rpm
nss-pkcs11-devel-3.53.1-3.el7_9.i686.rpm
nss-pkcs11-devel-3.53.1-3.el7_9.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
nspr-4.25.0-2.el7_9.src.rpm
nss-3.53.1-3.el7_9.src.rpm
nss-softokn-3.53.1-6.el7_9.src.rpm
nss-util-3.53.1-1.el7_9.src.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

x86_64:
nss-debuginfo-3.53.1-3.el7_9.i686.rpm
nss-debuginfo-3.53.1-3.el7_9.x86_64.rpm
nss-pkcs11-devel-3.53.1-3.el7_9.i686.rpm
nss-pkcs11-devel-3.53.1-3.el7_9.x86_64.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-2019-11719
https://access.redhat.com/security/cve/CVE-2019-11727
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-2019-17023
https://access.redhat.com/security/cve/CVE-2020-6829
https://access.redhat.com/security/cve/CVE-2020-12400
https://access.redhat.com/security/cve/CVE-2020-12401
https://access.redhat.com/security/cve/CVE-2020-12402
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/

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—–END PGP SIGNATURE—–

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