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Vulnerable Software

Vulnerability Details CVE-2018-16395

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.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.048

EPSS Ranking 89.0%

CVSS Severity

CVSS v3 Score 9.8

CVSS v2 Score 7.5

References

Products affected by CVE-2018-16395

Ruby-Lang » Openssl » Version: N/A

cpe:2.3:a:ruby-lang:openssl:-
Ruby-Lang » Openssl » Version: 0.1.0

cpe:2.3:a:ruby-lang:openssl:0.1.0
Ruby-Lang » Openssl » Version: 0.2.0

cpe:2.3:a:ruby-lang:openssl:0.2.0
Ruby-Lang » Openssl » Version: 1.0.0

cpe:2.3:a:ruby-lang:openssl:1.0.0
Ruby-Lang » Openssl » Version: 2.0.0

cpe:2.3:a:ruby-lang:openssl:2.0.0
Ruby-Lang » Openssl » Version: 2.0.1

cpe:2.3:a:ruby-lang:openssl:2.0.1
Ruby-Lang » Openssl » Version: 2.0.2

cpe:2.3:a:ruby-lang:openssl:2.0.2
Ruby-Lang » Openssl » Version: 2.0.3

cpe:2.3:a:ruby-lang:openssl:2.0.3
Ruby-Lang » Openssl » Version: 2.0.4

cpe:2.3:a:ruby-lang:openssl:2.0.4
Ruby-Lang » Openssl » Version: 2.0.5

cpe:2.3:a:ruby-lang:openssl:2.0.5
Ruby-Lang » Openssl » Version: 2.0.6

cpe:2.3:a:ruby-lang:openssl:2.0.6
Ruby-Lang » Openssl » Version: 2.0.7

cpe:2.3:a:ruby-lang:openssl:2.0.7
Ruby-Lang » Openssl » Version: 2.0.8

cpe:2.3:a:ruby-lang:openssl:2.0.8
Ruby-Lang » Openssl » Version: 2.0.9

cpe:2.3:a:ruby-lang:openssl:2.0.9
Ruby-Lang » Openssl » Version: 2.1.0

cpe:2.3:a:ruby-lang:openssl:2.1.0
Ruby-Lang » Openssl » Version: 2.1.1

cpe:2.3:a:ruby-lang:openssl:2.1.1
Ruby-Lang » Ruby » Version: 2.3.0

cpe:2.3:a:ruby-lang:ruby:2.3.0
Ruby-Lang » Ruby » Version: 2.3.1

cpe:2.3:a:ruby-lang:ruby:2.3.1
Ruby-Lang » Ruby » Version: 2.3.2

cpe:2.3:a:ruby-lang:ruby:2.3.2
Ruby-Lang » Ruby » Version: 2.3.3

cpe:2.3:a:ruby-lang:ruby:2.3.3
Ruby-Lang » Ruby » Version: 2.3.4

cpe:2.3:a:ruby-lang:ruby:2.3.4
Ruby-Lang » Ruby » Version: 2.3.5

cpe:2.3:a:ruby-lang:ruby:2.3.5
Ruby-Lang » Ruby » Version: 2.3.6

cpe:2.3:a:ruby-lang:ruby:2.3.6
Ruby-Lang » Ruby » Version: 2.3.7

cpe:2.3:a:ruby-lang:ruby:2.3.7
Ruby-Lang » Ruby » Version: 2.4.0

cpe:2.3:a:ruby-lang:ruby:2.4.0
Ruby-Lang » Ruby » Version: 2.4.1

cpe:2.3:a:ruby-lang:ruby:2.4.1
Ruby-Lang » Ruby » Version: 2.4.2

cpe:2.3:a:ruby-lang:ruby:2.4.2
Ruby-Lang » Ruby » Version: 2.4.3

cpe:2.3:a:ruby-lang:ruby:2.4.3
Ruby-Lang » Ruby » Version: 2.4.4

cpe:2.3:a:ruby-lang:ruby:2.4.4
Ruby-Lang » Ruby » Version: 2.5.0

cpe:2.3:a:ruby-lang:ruby:2.5.0
Ruby-Lang » Ruby » Version: 2.5.1

cpe:2.3:a:ruby-lang:ruby:2.5.1
Ruby-Lang » Ruby » Version: 2.6.0

cpe:2.3:a:ruby-lang:ruby:2.6.0
Canonical » Ubuntu Linux » Version: 14.04

cpe:2.3:o:canonical:ubuntu_linux:14.04
Canonical » Ubuntu Linux » Version: 16.04

cpe:2.3:o:canonical:ubuntu_linux:16.04
Canonical » Ubuntu Linux » Version: 18.04

cpe:2.3:o:canonical:ubuntu_linux:18.04
Canonical » Ubuntu Linux » Version: 18.10

cpe:2.3:o:canonical:ubuntu_linux:18.10
Debian » Debian Linux » Version: 8.0

cpe:2.3:o:debian:debian_linux:8.0
Debian » Debian Linux » Version: 9.0

cpe:2.3:o:debian:debian_linux:9.0
Redhat » Enterprise Linux » Version: 7.4

cpe:2.3:o:redhat:enterprise_linux:7.4

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2018-16395

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