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Red Hat: RHSA-2018-0998-01 Moderate: OpenSSL Security Fix Advisory

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Calendar Grey April 10, 2018
Scroller Redhat
Red Hat has released an OpenSSL update to address moderate security vulnerabilities, enhancing cryptographic security and protecting sensitive data integrity
An update for openssl is now available for Red Hat Enterprise Linux 7

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: bn_sqrx8x_internal carry bug on x86_64 (CVE-2017-3736)
* openssl: Read/write after SSL object in error state (CVE-2017-3737)
* openssl: rsaz_1024_mul_avx2 overflow bug on x86_64 (CVE-2017-3738)
For more details about the security issue(s), including the impact, a CVSS score, 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 7.5 Release Notes linked from the References section.

References

https://access.redhat.com/security/cve/CVE-2017-3736 https://access.redhat.com/security/cve/CVE-2017-3737 https://access.redhat.com/security/cve/CVE-2017-3738 https://access.redhat.com/security/updates/classification#moderate https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/7.5_release_notes/index.html

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: openssl-1.0.2k-12.el7.src.rpm
x86_64: openssl-1.0.2k-12.el7.x86_64.rpm openssl-debuginfo-1.0.2k-12.el7.i686.rpm openssl-debuginfo-1.0.2k-12.el7.x86_64.rpm openssl-libs-1.0.2k-12.el7.i686.rpm openssl-libs-1.0.2k-12.el7.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: openssl-debuginfo-1.0.2k-12.el7.i686.rpm openssl-debuginfo-1.0.2k-12.el7.x86_64.rpm openssl-devel-1.0.2k-12.el7.i686.rpm openssl-devel-1.0.2k-12.el7.x86_64.rpm openssl-perl-1.0.2k-12.el7.x86_64.rpm openssl-static-1.0.2k-12.el7.i686.rpm openssl-static-1.0.2k-12.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source: openssl-1.0.2k-12.el7.src.rpm
x86_64: openssl-1.0.2k-12.el7.x86_64.rpm openssl-debuginfo-1.0.2k-12.el7.i686.rpm openssl-debuginfo-1.0.2k-12.el7.x86_64.rpm openssl-libs-1.0.2k-12.el7.i686.rpm openssl-libs-1.0.2k-12.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
x86_64: openssl-debuginfo-1.0.2k-12.el7.i686.rpm openssl-debuginfo-1.0.2k-12.el7.x86_64.rpm openssl-devel-1.0.2k-12.el7.i686.rpm openssl-devel-1.0.2k-12.el7.x86_64.rpm openssl-perl-1.0.2k-12.el7.x86_64.rpm openssl-static-1.0.2k-12.el7.i686.rpm openssl-static-1.0.2k-12.el7.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:

Read the Full Advisory


Advisory ID: RHSA-2018:0998-01
Product: Red Hat Enterprise Linux
Issue date: 2018-04-10

Topic

An update for openssl is now available for Red Hat Enterprise Linux 7.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.

Relevant Releases Architectures

Red Hat Enterprise Linux Client (v. 7) - x86_64

Red Hat Enterprise Linux Client Optional (v. 7) - x86_64

Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64

Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64

Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Workstation (v. 7) - x86_64

Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, ppc64le, s390x

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - aarch64, ppc64le, s390x

Bugs Fixed

1509169 - CVE-2017-3736 openssl: bn_sqrx8x_internal carry bug on x86_64

1523504 - CVE-2017-3737 openssl: Read/write after SSL object in error state

1523510 - CVE-2017-3738 openssl: rsaz_1024_mul_avx2 overflow bug on x86_64

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