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Red Hat Enterprise Linux 8: RHSA-2020:4482-01 Moderate libgcrypt ECDSA Fix

red hat
Calendar Grey November 4, 2020
Dist Redhat Esm H88
Red Hat has released a substantial security notice concerning libgcrypt, implementing critical updates to mitigate ECDSA timing attack vulnerabilities.
An update for libgcrypt 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

Summary

The libgcrypt library provides general-purpose implementations of various cryptographic algorithms.
The following packages have been upgraded to a later upstream version: libgcrypt (1.8.5). (BZ#1764918)
Security Fix(es):
* libgcrypt: ECDSA timing attack allowing private key leak (CVE-2019-13627)
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.

Topics%20covered

Topics Covered

security advisory moderate bug fix Red Hat Enterprise Linux libgcrypt ECDSA

References

https://access.redhat.com/security/cve/CVE-2019-13627 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.3_release_notes/

Package List

Red Hat Enterprise Linux BaseOS (v. 8):
Source: libgcrypt-1.8.5-4.el8.src.rpm
aarch64: libgcrypt-1.8.5-4.el8.aarch64.rpm libgcrypt-debuginfo-1.8.5-4.el8.aarch64.rpm libgcrypt-debugsource-1.8.5-4.el8.aarch64.rpm libgcrypt-devel-1.8.5-4.el8.aarch64.rpm libgcrypt-devel-debuginfo-1.8.5-4.el8.aarch64.rpm
ppc64le: libgcrypt-1.8.5-4.el8.ppc64le.rpm libgcrypt-debuginfo-1.8.5-4.el8.ppc64le.rpm libgcrypt-debugsource-1.8.5-4.el8.ppc64le.rpm libgcrypt-devel-1.8.5-4.el8.ppc64le.rpm libgcrypt-devel-debuginfo-1.8.5-4.el8.ppc64le.rpm
s390x: libgcrypt-1.8.5-4.el8.s390x.rpm libgcrypt-debuginfo-1.8.5-4.el8.s390x.rpm libgcrypt-debugsource-1.8.5-4.el8.s390x.rpm libgcrypt-devel-1.8.5-4.el8.s390x.rpm libgcrypt-devel-debuginfo-1.8.5-4.el8.s390x.rpm
x86_64: libgcrypt-1.8.5-4.el8.i686.rpm libgcrypt-1.8.5-4.el8.x86_64.rpm libgcrypt-debuginfo-1.8.5-4.el8.i686.rpm libgcrypt-debuginfo-1.8.5-4.el8.x86_64.rpm libgcrypt-debugsource-1.8.5-4.el8.i686.rpm libgcrypt-debugsource-1.8.5-4.el8.x86_64.rpm libgcrypt-devel-1.8.5-4.el8.i686.rpm libgcrypt-devel-1.8.5-4.el8.x86_64.rpm libgcrypt-devel-debuginfo-1.8.5-4.el8.i686.rpm libgcrypt-devel-debuginfo-1.8.5-4.el8.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from

Read the Full Advisory


Advisory ID: RHSA-2020:4482-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:4482
Issue date: 2020-11-03

Topic

An update for libgcrypt 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 moderate bug fix Red Hat Enterprise Linux libgcrypt ECDSA

Relevant Releases Architectures

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

Bugs Fixed

1762741 - FIPS mutex lock used from gcry_cipher_(en|de)crypt imposes severe performance penalty

1762765 - RFE: hardware accelerated AES-XTS mode

1764018 - CVE-2019-13627 libgcrypt: ECDSA timing attack allowing private key leak

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