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githubGitHub Advisory DatabaseGHSA-MMRQ-6999-72V8
HistoryMay 13, 2022 - 1:50 a.m.

Ruby Openssl Allows Incorrect Value Comparison

2022-05-1301:50:20
GitHub Advisory Database
github.com
20
ruby
openssl
x509
name
comparison
security
software
illegitimate certificate
encryption operations

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.009

Percentile

82.8%

JSON

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.

Affected configurations

Vulners
Node
opensslopensslRange2.1.0–2.1.2
OR
opensslopensslRange<2.0.9
VendorProductVersionCPE
opensslopenssl*cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*

References

Related

redhatcve 1
cvelist 1
cve 1
cbl_mariner 1
prion 1
nessus 36
centos 1
oraclelinux 1
redhat 6
nvd 1
rubygems 2
osv 4
symantec 1
hackerone 1
openvas 16
ubuntucve 1
alpinelinux 1
veracode 1
amazon 2
debiancve 1
ibm 3
ubuntu 1
photon 4
fedora 3
debian 3
freebsd 1
cloudfoundry 1
rosalinux 1
mageia 1
suse 1
oracle 1
redhatcve
redhatcve
CVE-2018-16395
2020-01-25 22:09:37
cvelist
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2018-11-16 18:00:00
cve
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CVE-2018-16395
2018-11-16 18:29:00
cbl_mariner
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CVE-2018-16395 affecting package openssl 1.1.1g-6
2021-08-11 06:39:26
prion
prion
Code injection
2018-11-16 18:29:00
nessus
nessus
CentOS 7 : ruby (CESA-2018:3738)
2018-12-14 00:00:00
RHEL 7 : ruby (RHSA-2018:3738)
2018-11-30 00:00:00
Scientific Linux Security Update : ruby on SL7.x x86_64 (20181130)
2018-12-06 00:00:00
centos
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ruby, rubygem, rubygems security update
2018-12-13 20:46:01
oraclelinux
oraclelinux
ruby security update
2018-11-29 00:00:00
redhat
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(RHSA-2018:3738) Important: ruby security update
2018-11-29 20:15:03
(RHSA-2019:1948) Important: ruby security update
2019-07-30 08:23:28
(RHSA-2019:2565) Important: ruby security update
2019-08-27 10:11:37
nvd
nvd
CVE-2018-16395
2018-11-16 18:29:00
rubygems
rubygems
Incorrect value comparison in Ruby openssl
2018-10-16 21:00:00
Incorrect equality check in OpenSSL::X509::Name
2018-10-16 21:00:00
osv
osv
CVE-2018-16395
2018-11-16 18:29:00
Ruby Openssl Allows Incorrect Value Comparison
2022-05-13 01:50:20
ruby2.3 - security update
2018-11-03 00:00:00
symantec
symantec
Ruby OpenSSL CVE-2018-16395 Certificate Validation Security Bypass Vulnerability
2018-10-17 00:00:00
hackerone
hackerone
Ruby: OpenSSL::X509::Name Equality Check Does Not Work, Patch included
2018-07-26 17:24:30
openvas
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CentOS Update for ruby CESA-2018:3738 centos7
2018-12-18 00:00:00
Huawei EulerOS: Security Advisory for ruby (EulerOS-SA-2019-1340)
2020-01-23 00:00:00
Ubuntu: Security Advisory (USN-3808-1)
2018-11-06 00:00:00
ubuntucve
ubuntucve
CVE-2018-16395
2018-10-26 00:00:00
alpinelinux
alpinelinux
CVE-2018-16395
2018-11-16 18:29:00
veracode
veracode
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2018-11-19 07:52:01
amazon
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Important: ruby
2019-01-07 22:05:00
Important: ruby23, ruby24
2018-12-06 00:31:00
debiancve
debiancve
CVE-2018-16395
2018-11-16 18:29:00
ibm
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Security Bulletin: A vulnerability in Ruby affects PowerKVM
2019-03-04 05:55:02
Security Bulletin: Multiple Security Vulnerabilities affect IBM® Cloud Private - fluentd
2019-02-12 18:05:01
Security Bulletin: Vyatta 5600 vRouter Software Patches - Release 1801-s, 1801-t and 1801-u
2018-12-05 22:20:01
ubuntu
ubuntu
Ruby vulnerabilities
2018-11-05 00:00:00
photon
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Home Download Photon OS User Documentation FAQ Security Advisories Related Information Lightwave - PHSA-2019-2.0-0130
2019-02-14 00:00:00
Critical Photon OS Security Update - PHSA-2019-0130
2019-02-13 00:00:00
Home Download Photon OS User Documentation FAQ Security Advisories Related Information Lightwave - PHSA-2019-1.0-0205
2019-02-04 00:00:00
fedora
fedora
[SECURITY] Fedora 27 Update: ruby-2.4.5-90.fc27
2018-11-22 02:55:42
[SECURITY] Fedora 29 Update: ruby-2.5.3-99.fc29
2018-11-09 06:04:38
[SECURITY] Fedora 28 Update: ruby-2.5.3-94.fc28
2018-11-21 03:13:57
debian
debian
[SECURITY] [DSA 4332-1] ruby2.3 security update
2018-11-03 10:24:23
[SECURITY] [DLA 1558-1] ruby2.1 security update
2018-10-28 21:37:32
[SECURITY] [DSA 4332-1] ruby2.3 security update
2018-11-03 10:24:23
freebsd
freebsd
ruby -- multiple vulnerabilities
2018-10-17 00:00:00
cloudfoundry
cloudfoundry
USN-3808-1: Ruby vulnerabilities | Cloud Foundry
2018-11-06 00:00:00
rosalinux
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Advisory ROSA-SA-2021-1939
2021-07-02 17:38:47
mageia
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2018-10-26 21:47:14
suse
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2019-07-21 00:00:00
oracle
oracle
Oracle Critical Patch Update Advisory - January 2020
2020-01-14 00:00:00

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.009

Percentile

82.8%

JSON
Related for GHSA-MMRQ-6999-72V8
redhatcve1cvelist1cve1cbl_mariner1prion1nessus36centos1oraclelinux1redhat6nvd1rubygems2osv4symantec1hackerone1openvas16ubuntucve1alpinelinux1veracode1amazon2debiancve1ibm3ubuntu1photon4fedora3debian3freebsd1cloudfoundry1rosalinux1mageia1suse1oracle1