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Alerts This Week
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RHEL 8.6 RHSA-2023-3408 Moderate: OpenSSL Timing Attack and Memory Fix

red hat
Calendar Grey June 1, 2023
Dist Redhat Esm H88
In RHEL 8.6, a significant revision for OpenSSL tackles essential vulnerabilities, encompassing issues related to timing exploits and memory management.
An update for openssl is now available for Red Hat Enterprise Linux 8.6 Extended Update Support

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: timing attack in RSA Decryption implementation (CVE-2022-4304)
* openssl: double free after calling PEM_read_bio_ex (CVE-2022-4450)
* openssl: use-after-free following BIO_new_NDEF (CVE-2023-0215)
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.

Topics%20covered

Topics Covered

security advisory Red Hat update OpenSSL timing attack memory issue EUS support

References

https://access.redhat.com/security/cve/CVE-2022-4304 https://access.redhat.com/security/cve/CVE-2022-4450 https://access.redhat.com/security/cve/CVE-2023-0215 https://access.redhat.com/security/updates/classification/#moderate

Package List

Red Hat Enterprise Linux BaseOS EUS (v.8.6):
Source: openssl-1.1.1k-9.el8_6.src.rpm
aarch64: openssl-1.1.1k-9.el8_6.aarch64.rpm openssl-debuginfo-1.1.1k-9.el8_6.aarch64.rpm openssl-debugsource-1.1.1k-9.el8_6.aarch64.rpm openssl-devel-1.1.1k-9.el8_6.aarch64.rpm openssl-libs-1.1.1k-9.el8_6.aarch64.rpm openssl-libs-debuginfo-1.1.1k-9.el8_6.aarch64.rpm openssl-perl-1.1.1k-9.el8_6.aarch64.rpm
ppc64le: openssl-1.1.1k-9.el8_6.ppc64le.rpm openssl-debuginfo-1.1.1k-9.el8_6.ppc64le.rpm openssl-debugsource-1.1.1k-9.el8_6.ppc64le.rpm openssl-devel-1.1.1k-9.el8_6.ppc64le.rpm openssl-libs-1.1.1k-9.el8_6.ppc64le.rpm openssl-libs-debuginfo-1.1.1k-9.el8_6.ppc64le.rpm openssl-perl-1.1.1k-9.el8_6.ppc64le.rpm
s390x: openssl-1.1.1k-9.el8_6.s390x.rpm openssl-debuginfo-1.1.1k-9.el8_6.s390x.rpm openssl-debugsource-1.1.1k-9.el8_6.s390x.rpm openssl-devel-1.1.1k-9.el8_6.s390x.rpm openssl-libs-1.1.1k-9.el8_6.s390x.rpm openssl-libs-debuginfo-1.1.1k-9.el8_6.s390x.rpm openssl-perl-1.1.1k-9.el8_6.s390x.rpm
x86_64: openssl-1.1.1k-9.el8_6.x86_64.rpm openssl-debuginfo-1.1.1k-9.el8_6.i686.rpm openssl-debuginfo-1.1.1k-9.el8_6.x86_64.rpm openssl-debugsource-1.1.1k-9.el8_6.i686.rpm openssl-debugsource-1.1.1k-9.el8_6.x86_64.rpm openssl-devel-1.1.1k-9.el8_6.i686.rpm openssl-devel-1.1.1k-9.el8_6.x86_64.rpm

Read the Full Advisory


Advisory ID: RHSA-2023:3408-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:3408
Issue date: 2023-05-31

Topic

An update for openssl is now available for Red Hat Enterprise Linux 8.6Extended Update Support.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 Red Hat update OpenSSL timing attack memory issue EUS support

Relevant Releases Architectures

Red Hat Enterprise Linux BaseOS EUS (v.8.6) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

2164487 - CVE-2022-4304 openssl: timing attack in RSA Decryption implementation

2164492 - CVE-2023-0215 openssl: use-after-free following BIO_new_NDEF

2164494 - CVE-2022-4450 openssl: double free after calling PEM_read_bio_ex

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