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Red Hat Enterprise Linux 8: RHSA-2020-1840 Moderate: OpenSSL Update

red hat
Calendar Grey April 28, 2020
Dist Redhat Esm H88
The latest update from Red Hat brings essential improvements to OpenSSL, tackling urgent security vulnerabilities. Apply this patch to maintain uninterrupted service.
An update for openssl is now available for Red Hat Enterprise Linux 8

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.

Summary

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.

Topics%20covered

Topics Covered

security advisory moderate bug fix Red Hat Enterprise Linux information disclosure openssl encryption issue

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

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

Read the Full Advisory


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

Topic

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 impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate bug fix Red Hat Enterprise Linux information disclosure openssl encryption issue

Relevant Releases Architectures

Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

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

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