GoogleOSV:GHSA-MMRQ-6999-72V8Ruby Openssl Allows Incorrect Value Comparison
EPSS
Percentile
82.8%
An issue was discovered in the OpenSSL library in Ruby 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.
References
lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
access.redhat.com/errata/RHSA-2018:3729
access.redhat.com/errata/RHSA-2018:3730
access.redhat.com/errata/RHSA-2018:3731
access.redhat.com/errata/RHSA-2018:3738
access.redhat.com/errata/RHSA-2019:1948
access.redhat.com/errata/RHSA-2019:2565
github.com/ruby/openssl/commit/f653cfa43f0f20e8c440122ea982382b6228e7f5
github.com/rubysec/ruby-advisory-db/blob/master/gems/openssl/CVE-2018-16395.yml
hackerone.com/reports/387250
lists.debian.org/debian-lts-announce/2018/10/msg00020.html
nvd.nist.gov/vuln/detail/CVE-2018-16395
security.netapp.com/advisory/ntap-20190221-0002
usn.ubuntu.com/3808-1
web.archive.org/web/20211206015239/https://securitytracker.com/id/1042105
www.debian.org/security/2018/dsa-4332
www.oracle.com/security-alerts/cpujan2020.html
www.ruby-lang.org/en/news/2018/10/17/openssl-x509-name-equality-check-does-not-work-correctly-cve-2018-16395
www.ruby-lang.org/en/news/2018/10/17/ruby-2-3-8-released
www.ruby-lang.org/en/news/2018/10/17/ruby-2-4-5-released
www.ruby-lang.org/en/news/2018/10/17/ruby-2-5-2-released
www.ruby-lang.org/en/news/2018/11/06/ruby-2-6-0-preview3-released
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