RHSA-2024:0500 - Security Advisory

Topic

An update for openssl is now available for Red Hat Enterprise Linux 9.2 Extended Update Support.

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.

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: Incorrect cipher key and IV length processing (CVE-2023-5363)

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):

• Backport implicit rejection mechanism for RSA PKCS#1 v1.5 to RHEL-9.2.z (RHEL-14578, BZ#2153471)
• OpenSSL should provide FIPS-compliant RSA-OAEP (RHEL-14616)
• NIST SP 800-56Arev3 Section 5.6.2.1 - Missing ECDH Public Key Check (RHEL-15992)
• In FIPS mode, OpenSSL must not perform any cryptographic operations when rsa_keygen_pairwise_test fails (RHEL-17110)

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 - Extended Update Support 9.2 x86_64
• Red Hat Enterprise Linux Server - AUS 9.2 x86_64
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.2 s390x
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.2 ppc64le
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.2 aarch64
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.2 ppc64le
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.2 x86_64
• Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.2 aarch64
• Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.2 s390x

Fixes

• BZ - 2243839 - CVE-2023-5363 openssl: Incorrect cipher key and IV length processing
• RHEL-14578 - Backport implicit rejection mechanism for RSA PKCS#1 v1.5 to RHEL-9.2.z
• RHEL-15992 - NIST SP 800-56Arev3 Section 5.6.2.1 - Missing ECDH Public Key Check [rhel-9.2.0.z]

CVEs

• CVE-2023-5363

References

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