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Red Hat Enterprise Linux 8 RHSA-2021-5226 Moderate: OpenSSL Buffer Overflow

red hat
Calendar Grey December 21, 2021
Dist Redhat Esm H88
Critical software refresh for OpenSSL on RHEL 8 addresses severe memory corruption issues. Protect your infrastructure now.
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: Read buffer overruns processing ASN.1 strings (CVE-2021-3712)
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 security update Red Hat buffer overflow openssl

References

https://access.redhat.com/security/cve/CVE-2021-3712 https://access.redhat.com/security/updates/classification#moderate

Package List

Red Hat Enterprise Linux BaseOS (v. 8):
Source: openssl-1.1.1k-5.el8_5.src.rpm
aarch64: openssl-1.1.1k-5.el8_5.aarch64.rpm openssl-debuginfo-1.1.1k-5.el8_5.aarch64.rpm openssl-debugsource-1.1.1k-5.el8_5.aarch64.rpm openssl-devel-1.1.1k-5.el8_5.aarch64.rpm openssl-libs-1.1.1k-5.el8_5.aarch64.rpm openssl-libs-debuginfo-1.1.1k-5.el8_5.aarch64.rpm openssl-perl-1.1.1k-5.el8_5.aarch64.rpm
ppc64le: openssl-1.1.1k-5.el8_5.ppc64le.rpm openssl-debuginfo-1.1.1k-5.el8_5.ppc64le.rpm openssl-debugsource-1.1.1k-5.el8_5.ppc64le.rpm openssl-devel-1.1.1k-5.el8_5.ppc64le.rpm openssl-libs-1.1.1k-5.el8_5.ppc64le.rpm openssl-libs-debuginfo-1.1.1k-5.el8_5.ppc64le.rpm openssl-perl-1.1.1k-5.el8_5.ppc64le.rpm
s390x: openssl-1.1.1k-5.el8_5.s390x.rpm openssl-debuginfo-1.1.1k-5.el8_5.s390x.rpm openssl-debugsource-1.1.1k-5.el8_5.s390x.rpm openssl-devel-1.1.1k-5.el8_5.s390x.rpm openssl-libs-1.1.1k-5.el8_5.s390x.rpm openssl-libs-debuginfo-1.1.1k-5.el8_5.s390x.rpm openssl-perl-1.1.1k-5.el8_5.s390x.rpm
x86_64: openssl-1.1.1k-5.el8_5.x86_64.rpm openssl-debuginfo-1.1.1k-5.el8_5.i686.rpm openssl-debuginfo-1.1.1k-5.el8_5.x86_64.rpm openssl-debugsource-1.1.1k-5.el8_5.i686.rpm openssl-debugsource-1.1.1k-5.el8_5.x86_64.rpm openssl-devel-1.1.1k-5.el8_5.i686.rpm openssl-devel-1.1.1k-5.el8_5.x86_64.rpm

Read the Full Advisory


Advisory ID: RHSA-2021:5226-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:5226
Issue date: 2021-12-21

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 security update Red Hat buffer overflow openssl

Relevant Releases Architectures

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

Bugs Fixed

1995634 - CVE-2021-3712 openssl: Read buffer overruns processing ASN.1 strings

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