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Red Hat Security Advisory

Synopsis: Important: openssl security and bug fix update
Advisory ID: RHSA-2020:5476-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:5476
Issue date: 2020-12-15
CVE Names: CVE-2020-1971
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1. Summary:

An update for openssl is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact
of Important. 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 BaseOS (v. 8) – aarch64, ppc64le, s390x, x86_64

3. Description:

OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL) and
Transport Layer Security (TLS) protocols, as well as a full-strength
general-purpose cryptography library.

Security Fix(es):

* openssl: EDIPARTYNAME NULL pointer de-reference (CVE-2020-1971)

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):

* Reject certificates with explicit EC parameters in strict mode
(BZ#1891541)

* Add FIPS selftest for HKDF, SSKDF, SSHKDF, and TLS12PRF; add
DH_compute_key KAT to DH selftest (BZ#1891542)

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

For the update to take effect, all services linked to the OpenSSL library
must be restarted, or the system rebooted.

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

1903409 – CVE-2020-1971 openssl: EDIPARTYNAME NULL pointer de-reference

6. Package List:

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
openssl-1.1.1g-12.el8_3.src.rpm

aarch64:
openssl-1.1.1g-12.el8_3.aarch64.rpm
openssl-debuginfo-1.1.1g-12.el8_3.aarch64.rpm
openssl-debugsource-1.1.1g-12.el8_3.aarch64.rpm
openssl-devel-1.1.1g-12.el8_3.aarch64.rpm
openssl-libs-1.1.1g-12.el8_3.aarch64.rpm
openssl-libs-debuginfo-1.1.1g-12.el8_3.aarch64.rpm
openssl-perl-1.1.1g-12.el8_3.aarch64.rpm

ppc64le:
openssl-1.1.1g-12.el8_3.ppc64le.rpm
openssl-debuginfo-1.1.1g-12.el8_3.ppc64le.rpm
openssl-debugsource-1.1.1g-12.el8_3.ppc64le.rpm
openssl-devel-1.1.1g-12.el8_3.ppc64le.rpm
openssl-libs-1.1.1g-12.el8_3.ppc64le.rpm
openssl-libs-debuginfo-1.1.1g-12.el8_3.ppc64le.rpm
openssl-perl-1.1.1g-12.el8_3.ppc64le.rpm

s390x:
openssl-1.1.1g-12.el8_3.s390x.rpm
openssl-debuginfo-1.1.1g-12.el8_3.s390x.rpm
openssl-debugsource-1.1.1g-12.el8_3.s390x.rpm
openssl-devel-1.1.1g-12.el8_3.s390x.rpm
openssl-libs-1.1.1g-12.el8_3.s390x.rpm
openssl-libs-debuginfo-1.1.1g-12.el8_3.s390x.rpm
openssl-perl-1.1.1g-12.el8_3.s390x.rpm

x86_64:
openssl-1.1.1g-12.el8_3.x86_64.rpm
openssl-debuginfo-1.1.1g-12.el8_3.i686.rpm
openssl-debuginfo-1.1.1g-12.el8_3.x86_64.rpm
openssl-debugsource-1.1.1g-12.el8_3.i686.rpm
openssl-debugsource-1.1.1g-12.el8_3.x86_64.rpm
openssl-devel-1.1.1g-12.el8_3.i686.rpm
openssl-devel-1.1.1g-12.el8_3.x86_64.rpm
openssl-libs-1.1.1g-12.el8_3.i686.rpm
openssl-libs-1.1.1g-12.el8_3.x86_64.rpm
openssl-libs-debuginfo-1.1.1g-12.el8_3.i686.rpm
openssl-libs-debuginfo-1.1.1g-12.el8_3.x86_64.rpm
openssl-perl-1.1.1g-12.el8_3.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-2020-1971
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2020 Red Hat, Inc.
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