Low: openssl security, bug fix, and enhancement update

Related Vulnerabilities: CVE-2019-1551   CVE-2019-1551   CVE-2019-1551  

Synopsis

Low: openssl security, bug fix, and enhancement update

Type/Severity

Security Advisory: Low

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 impact of Low. 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

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.

The following packages have been upgraded to a later upstream version: openssl (1.1.1g). (BZ#1817593)

Security Fix(es):

  • openssl: Integer overflow in RSAZ modular exponentiation on x86_64 (CVE-2019-1551)

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 8.3 Release Notes linked from the References section.

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.

Affected Products

  • Red Hat Enterprise Linux for x86_64 8 x86_64
  • Red Hat Enterprise Linux for IBM z Systems 8 s390x
  • Red Hat Enterprise Linux for Power, little endian 8 ppc64le
  • Red Hat Enterprise Linux for ARM 64 8 aarch64

Fixes

  • BZ - 1780995 - CVE-2019-1551 openssl: Integer overflow in RSAZ modular exponentiation on x86_64
  • BZ - 1844607 - OpenSSL will use unsafe FFDH primes with 2048 bit RSA keys

CVEs

References