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Red Hat Security Advisory

Synopsis: Moderate: openssl security and bug fix update
Advisory ID: RHSA-2020:1840-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1840
Issue date: 2020-04-28
CVE Names: CVE-2019-1547 CVE-2019-1549 CVE-2019-1563
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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 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 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: side-channel weak encryption vulnerability (CVE-2019-1547)

* openssl: information disclosure in fork() (CVE-2019-1549)

* openssl: information disclosure in PKCS7_dataDecode and
CMS_decrypt_set1_pkey (CVE-2019-1563)

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.

Additional Changes:

For detailed information on changes in this release, see the Red Hat
Enterprise Linux 8.2 Release Notes linked from the References section.

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/):

1735738 – openssl speed reports errors in FIPS mode
1741285 – TLS 1.2 CCM ciphers are not recognised in FIPS mode
1741317 – 1024 bit DSA key generation is not disabled in FIPS mode
1741641 – OpenSSL will sign ServerKeyExchange message with SHA-1 in FIPS mode
1749068 – OpenSSL generates malformed status_request extension in CertificateRequest message in TLS 1.3
1749790 – OpenSSL advertises ed25519 and ed448 support in CertificateRequest in FIPS mode
1752090 – CVE-2019-1547 openssl: side-channel weak encryption vulnerability
1752095 – CVE-2019-1549 openssl: information disclosure in fork()
1752100 – CVE-2019-1563 openssl: information disclosure in PKCS7_dataDecode and CMS_decrypt_set1_pkey
1758587 – OpenSSL will send unexpected alert for too short ciphertext with specific ciphersuites [rhel-8]
1793984 – [RHEL 8][s390x] Restore modified SIGILL signal handler during libcrypto library initialisation

6. Package List:

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
openssl-1.1.1c-15.el8.src.rpm

aarch64:
openssl-1.1.1c-15.el8.aarch64.rpm
openssl-debuginfo-1.1.1c-15.el8.aarch64.rpm
openssl-debugsource-1.1.1c-15.el8.aarch64.rpm
openssl-devel-1.1.1c-15.el8.aarch64.rpm
openssl-libs-1.1.1c-15.el8.aarch64.rpm
openssl-libs-debuginfo-1.1.1c-15.el8.aarch64.rpm
openssl-perl-1.1.1c-15.el8.aarch64.rpm

ppc64le:
openssl-1.1.1c-15.el8.ppc64le.rpm
openssl-debuginfo-1.1.1c-15.el8.ppc64le.rpm
openssl-debugsource-1.1.1c-15.el8.ppc64le.rpm
openssl-devel-1.1.1c-15.el8.ppc64le.rpm
openssl-libs-1.1.1c-15.el8.ppc64le.rpm
openssl-libs-debuginfo-1.1.1c-15.el8.ppc64le.rpm
openssl-perl-1.1.1c-15.el8.ppc64le.rpm

s390x:
openssl-1.1.1c-15.el8.s390x.rpm
openssl-debuginfo-1.1.1c-15.el8.s390x.rpm
openssl-debugsource-1.1.1c-15.el8.s390x.rpm
openssl-devel-1.1.1c-15.el8.s390x.rpm
openssl-libs-1.1.1c-15.el8.s390x.rpm
openssl-libs-debuginfo-1.1.1c-15.el8.s390x.rpm
openssl-perl-1.1.1c-15.el8.s390x.rpm

x86_64:
openssl-1.1.1c-15.el8.x86_64.rpm
openssl-debuginfo-1.1.1c-15.el8.i686.rpm
openssl-debuginfo-1.1.1c-15.el8.x86_64.rpm
openssl-debugsource-1.1.1c-15.el8.i686.rpm
openssl-debugsource-1.1.1c-15.el8.x86_64.rpm
openssl-devel-1.1.1c-15.el8.i686.rpm
openssl-devel-1.1.1c-15.el8.x86_64.rpm
openssl-libs-1.1.1c-15.el8.i686.rpm
openssl-libs-1.1.1c-15.el8.x86_64.rpm
openssl-libs-debuginfo-1.1.1c-15.el8.i686.rpm
openssl-libs-debuginfo-1.1.1c-15.el8.x86_64.rpm
openssl-perl-1.1.1c-15.el8.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-2019-1547
https://access.redhat.com/security/cve/CVE-2019-1549
https://access.redhat.com/security/cve/CVE-2019-1563
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.2_release_notes/index

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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