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Category:   Application (Generic)  >   Ruby Vendors:   Matsumoto, Yukihiro
(Oracle Issues Fix for Oracle Linux) Ruby OpenSSL::X509::Name() May Fail to Prevent Remote Users from Bypassing Security Restrictions on the Target System
SecurityTracker Alert ID:  1042184
SecurityTracker URL:  http://securitytracker.com/id/1042184
CVE Reference:   CVE-2018-16395   (Links to External Site)
Date:  Nov 30 2018
Impact:   Host/resource access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Ruby. A remote user can bypass security controls on the target system.

A remote user can conduct an equality check of 'OpenSSL::X509::Name' and receive an incorrect response.

Tyler Eckstein reported this vulnerability.

Impact:   A remote user can bypass security controls on the target system in certain cases.
Solution:   Oracle has issued a fix.

The Oracle Linux advisory is available at:

http://linux.oracle.com/errata/ELSA-2018-3738.html

Vendor URL:  linux.oracle.com/errata/ELSA-2018-3738.html (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Oracle)
Underlying OS Comments:  7

Message History:   This archive entry is a follow-up to the message listed below.
Nov 13 2018 Ruby OpenSSL::X509::Name() May Fail to Prevent Remote Users from Bypassing Security Restrictions on the Target System



 Source Message Contents

Subject:  [El-errata] ELSA-2018-3738 Important: Oracle Linux 7 ruby security update (aarch64)

Oracle Linux Security Advisory ELSA-2018-3738

http://linux.oracle.com/errata/ELSA-2018-3738.html

The following updated rpms for Oracle Linux 7 have been uploaded to the 
Unbreakable Linux Network:

aarch64:
ruby-2.0.0.648-34.el7_6.aarch64.rpm
ruby-devel-2.0.0.648-34.el7_6.aarch64.rpm
ruby-doc-2.0.0.648-34.el7_6.noarch.rpm
ruby-irb-2.0.0.648-34.el7_6.noarch.rpm
ruby-libs-2.0.0.648-34.el7_6.aarch64.rpm
ruby-tcltk-2.0.0.648-34.el7_6.aarch64.rpm
rubygem-bigdecimal-1.2.0-34.el7_6.aarch64.rpm
rubygem-io-console-0.4.2-34.el7_6.aarch64.rpm
rubygem-json-1.7.7-34.el7_6.aarch64.rpm
rubygem-minitest-4.3.2-34.el7_6.noarch.rpm
rubygem-psych-2.0.0-34.el7_6.aarch64.rpm
rubygem-rake-0.9.6-34.el7_6.noarch.rpm
rubygem-rdoc-4.0.0-34.el7_6.noarch.rpm
rubygems-2.0.14.1-34.el7_6.noarch.rpm
rubygems-devel-2.0.14.1-34.el7_6.noarch.rpm


SRPMS:
http://oss.oracle.com/ol7/SRPMS-updates/ruby-2.0.0.648-34.el7_6.src.rpm



Description of changes:

[2.0.0.648-34]
- CVE-2018-16395: Fix OpenSSL::X509::Name equality check does not work.
   Resolves: CVE-2018-16395


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