4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
5.9 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
0.028 Low
EPSS
Percentile
90.7%
Issue Overview:
As discussed in an upstream announcment (https://www.ruby-lang.org/en/news/2015/04/13/ruby-openssl-hostname-matching-vulnerability/), Ruby’s OpenSSL extension suffers a vulnerability through overly permissive matching of hostnames, which can lead to similar bugs such as CVE-2014-1492.
Affected Packages:
ruby21
Issue Correction:
Run yum update ruby21 to update your system.
New Packages:
i686:
rubygem21-io-console-0.4.3-1.16.amzn1.i686
ruby21-debuginfo-2.1.6-1.16.amzn1.i686
rubygem21-bigdecimal-1.2.4-1.16.amzn1.i686
ruby21-2.1.6-1.16.amzn1.i686
rubygem21-psych-2.0.5-1.16.amzn1.i686
ruby21-libs-2.1.6-1.16.amzn1.i686
ruby21-devel-2.1.6-1.16.amzn1.i686
noarch:
ruby21-irb-2.1.6-1.16.amzn1.noarch
rubygems21-devel-2.2.3-1.16.amzn1.noarch
rubygems21-2.2.3-1.16.amzn1.noarch
ruby21-doc-2.1.6-1.16.amzn1.noarch
src:
ruby21-2.1.6-1.16.amzn1.src
x86_64:
ruby21-devel-2.1.6-1.16.amzn1.x86_64
rubygem21-bigdecimal-1.2.4-1.16.amzn1.x86_64
ruby21-debuginfo-2.1.6-1.16.amzn1.x86_64
ruby21-2.1.6-1.16.amzn1.x86_64
rubygem21-io-console-0.4.3-1.16.amzn1.x86_64
ruby21-libs-2.1.6-1.16.amzn1.x86_64
rubygem21-psych-2.0.5-1.16.amzn1.x86_64
Red Hat: CVE-2015-1855
Mitre: CVE-2015-1855
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Amazon Linux | 1 | i686 | rubygem21-io-console | < 0.4.3-1.16.amzn1 | rubygem21-io-console-0.4.3-1.16.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | ruby21-debuginfo | < 2.1.6-1.16.amzn1 | ruby21-debuginfo-2.1.6-1.16.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | rubygem21-bigdecimal | < 1.2.4-1.16.amzn1 | rubygem21-bigdecimal-1.2.4-1.16.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | ruby21 | < 2.1.6-1.16.amzn1 | ruby21-2.1.6-1.16.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | rubygem21-psych | < 2.0.5-1.16.amzn1 | rubygem21-psych-2.0.5-1.16.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | ruby21-libs | < 2.1.6-1.16.amzn1 | ruby21-libs-2.1.6-1.16.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | ruby21-devel | < 2.1.6-1.16.amzn1 | ruby21-devel-2.1.6-1.16.amzn1.i686.rpm |
Amazon Linux | 1 | noarch | ruby21-irb | < 2.1.6-1.16.amzn1 | ruby21-irb-2.1.6-1.16.amzn1.noarch.rpm |
Amazon Linux | 1 | noarch | rubygems21-devel | < 2.2.3-1.16.amzn1 | rubygems21-devel-2.2.3-1.16.amzn1.noarch.rpm |
Amazon Linux | 1 | noarch | rubygems21 | < 2.2.3-1.16.amzn1 | rubygems21-2.2.3-1.16.amzn1.noarch.rpm |
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
5.9 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
0.028 Low
EPSS
Percentile
90.7%