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
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
EPSS
Percentile
90.7%
Issue Overview:
As discussed in an upstream announcement (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:
ruby20
Issue Correction:
Run yum update ruby20 to update your system.
New Packages:
i686:
rubygem20-bigdecimal-1.2.0-1.25.amzn1.i686
rubygem20-psych-2.0.0-1.25.amzn1.i686
ruby20-debuginfo-2.0.0.645-1.25.amzn1.i686
ruby20-libs-2.0.0.645-1.25.amzn1.i686
ruby20-devel-2.0.0.645-1.25.amzn1.i686
rubygem20-io-console-0.4.2-1.25.amzn1.i686
ruby20-2.0.0.645-1.25.amzn1.i686
noarch:
ruby20-doc-2.0.0.645-1.25.amzn1.noarch
ruby20-irb-2.0.0.645-1.25.amzn1.noarch
rubygems20-2.0.14-1.25.amzn1.noarch
rubygems20-devel-2.0.14-1.25.amzn1.noarch
src:
ruby20-2.0.0.645-1.25.amzn1.src
x86_64:
ruby20-debuginfo-2.0.0.645-1.25.amzn1.x86_64
rubygem20-io-console-0.4.2-1.25.amzn1.x86_64
ruby20-2.0.0.645-1.25.amzn1.x86_64
rubygem20-bigdecimal-1.2.0-1.25.amzn1.x86_64
ruby20-devel-2.0.0.645-1.25.amzn1.x86_64
ruby20-libs-2.0.0.645-1.25.amzn1.x86_64
rubygem20-psych-2.0.0-1.25.amzn1.x86_64
Red Hat: CVE-2015-1855
Mitre: CVE-2015-1855
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Amazon Linux | 1 | i686 | rubygem20-bigdecimal | < 1.2.0-1.25.amzn1 | rubygem20-bigdecimal-1.2.0-1.25.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | rubygem20-psych | < 2.0.0-1.25.amzn1 | rubygem20-psych-2.0.0-1.25.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | ruby20-debuginfo | < 2.0.0.645-1.25.amzn1 | ruby20-debuginfo-2.0.0.645-1.25.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | ruby20-libs | < 2.0.0.645-1.25.amzn1 | ruby20-libs-2.0.0.645-1.25.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | ruby20-devel | < 2.0.0.645-1.25.amzn1 | ruby20-devel-2.0.0.645-1.25.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | rubygem20-io-console | < 0.4.2-1.25.amzn1 | rubygem20-io-console-0.4.2-1.25.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | ruby20 | < 2.0.0.645-1.25.amzn1 | ruby20-2.0.0.645-1.25.amzn1.i686.rpm |
Amazon Linux | 1 | noarch | ruby20-doc | < 2.0.0.645-1.25.amzn1 | ruby20-doc-2.0.0.645-1.25.amzn1.noarch.rpm |
Amazon Linux | 1 | noarch | ruby20-irb | < 2.0.0.645-1.25.amzn1 | ruby20-irb-2.0.0.645-1.25.amzn1.noarch.rpm |
Amazon Linux | 1 | noarch | rubygems20 | < 2.0.14-1.25.amzn1 | rubygems20-2.0.14-1.25.amzn1.noarch.rpm |
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
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
EPSS
Percentile
90.7%