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CVE-2018-16395

Status Candidate

Overview

An issue was discovered in the OpenSSL library in Ruby before 2.3.8, 2.4.x before 2.4.5, 2.5.x before 2.5.2, and 2.6.x before 2.6.0-preview3. When two OpenSSL::X509::Name objects are compared using ==, depending on the ordering, non-equal objects may return true. When the first argument is one character longer than the second, or the second argument contains a character that is one less than a character in the same position of the first argument, the result of == will be true. This could be leveraged to create an illegitimate certificate that may be accepted as legitimate and then used in signing or encryption operations.

Related Files

Red Hat Security Advisory 2019-2565-01
Posted Aug 27, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-2565-01 - Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. An OpenSSL issue was addressed where an X509 name equality check did not work correctly.

tags | advisory, ruby
systems | linux, redhat
advisories | CVE-2018-16395
MD5 | bce88b4ebfae5d393d03a2e097a1eb69
Red Hat Security Advisory 2019-1948-01
Posted Jul 30, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-1948-01 - Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. A name equality check issue was addressed.

tags | advisory, ruby
systems | linux, redhat
advisories | CVE-2018-16395
MD5 | 53325c037b0e296623059057274dee99
Red Hat Security Advisory 2018-3738-01
Posted Nov 30, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-3738-01 - Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. Issues addressed include a name equality check.

tags | advisory, ruby
systems | linux, redhat
advisories | CVE-2018-16395
MD5 | b37cd6a549c5f7b2962bc22ae44d93f7
Red Hat Security Advisory 2018-3731-01
Posted Nov 30, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-3731-01 - Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. Issues addressed include code execution, cross site scripting, denial of service, deserialization, and traversal vulnerabilities.

tags | advisory, denial of service, vulnerability, code execution, xss, ruby
systems | linux, redhat
advisories | CVE-2017-17742, CVE-2018-1000073, CVE-2018-1000074, CVE-2018-1000075, CVE-2018-1000076, CVE-2018-1000077, CVE-2018-1000078, CVE-2018-1000079, CVE-2018-16395, CVE-2018-16396, CVE-2018-6914, CVE-2018-8777, CVE-2018-8778, CVE-2018-8779, CVE-2018-8780
MD5 | d886b0561d5de848dd645b607873d4c9
Red Hat Security Advisory 2018-3730-01
Posted Nov 30, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-3730-01 - Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. Issues addressed include code execution, cross site scripting, denial of service, deserialization, and traversal vulnerabilities.

tags | advisory, denial of service, vulnerability, code execution, xss, ruby
systems | linux, redhat
advisories | CVE-2017-17742, CVE-2018-1000073, CVE-2018-1000074, CVE-2018-1000075, CVE-2018-1000076, CVE-2018-1000077, CVE-2018-1000078, CVE-2018-1000079, CVE-2018-16395, CVE-2018-16396, CVE-2018-6914, CVE-2018-8777, CVE-2018-8778, CVE-2018-8779, CVE-2018-8780
MD5 | 928cb22a25c79f7c4549eddb2a4fcf7f
Red Hat Security Advisory 2018-3729-01
Posted Nov 30, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-3729-01 - Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. Issues addressed include code execution, cross site scripting, denial of service, deserialization, and traversal vulnerabilities.

tags | advisory, denial of service, vulnerability, code execution, xss, ruby
systems | linux, redhat
advisories | CVE-2017-17742, CVE-2018-1000073, CVE-2018-1000074, CVE-2018-1000075, CVE-2018-1000076, CVE-2018-1000077, CVE-2018-1000078, CVE-2018-1000079, CVE-2018-16395, CVE-2018-16396, CVE-2018-6914, CVE-2018-8777, CVE-2018-8778, CVE-2018-8779, CVE-2018-8780
MD5 | 9e1a463c11457fad95d3d1a9a42945d8
Ubuntu Security Notice USN-3808-1
Posted Nov 6, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3808-1 - It was discovered that Ruby incorrectly handled certain X.509 certificates. An attacker could possibly use this issue to bypass the certificate check. It was discovered that Ruby incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code.

tags | advisory, arbitrary, ruby
systems | linux, ubuntu
advisories | CVE-2018-16395, CVE-2018-16396
MD5 | 40861160d83fcf2ea2b6534d3fc4fe66
Debian Security Advisory 4332-1
Posted Nov 3, 2018
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4332-1 - Several vulnerabilities have been discovered in the interpreter for the Ruby language.

tags | advisory, vulnerability, ruby
systems | linux, debian
advisories | CVE-2018-16395, CVE-2018-16396
MD5 | e9c4818aa6963d8109d3854620683e24
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