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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
SHA-256 | 935cc6c3b1e5db1458c55ac7bd5923c3cb3ad5b2cfb9f8be3de685a814df4c15
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
SHA-256 | 38b7ef5d4ee2aaa9f014ed6de563438f3a839d16e1f95c9210323831f89f1abe
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
SHA-256 | eb0ce715cf844684ef01e1980a5cde4f3ad3c61658a96a7c429bb1f1502520db
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
SHA-256 | 67960d69e88fb6e819f1aed911deeb9a04df23e739ae31cebcff7618004f0b0f
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
SHA-256 | 5974e59d03ede1e205bc6f92b04e3d4d0be271c53073850c54f2227ff9bf7374
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
SHA-256 | 50842ce6db655529d85f25aace87d1c36085f22eb7f5436231ccd6f4207b1c4a
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
SHA-256 | dc2d5b3f5be433cc29a21366af2eda8167a7638d8db5ae80699233902daf3800
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
SHA-256 | a5733c0033cee949af0f67cf98680b66d844eac356fbda3f7e6595475870436c
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