Important: openssl security and bug fix update

Synopsis

Important: openssl security and bug fix update

Type/Severity

Security Advisory: Important

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 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.

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)

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

CVEs

• CVE-2020-1971

References

• https://access.redhat.com/security/updates/classification/#important