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
4.3 Medium
CVSS2
Access Vector
NETWORK
Access 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
0.028 Low
EPSS
Percentile
90.6%
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:
ruby18
Issue Correction:
Run yum update ruby18 to update your system.
New Packages:
i686:
ruby18-static-1.8.7.374-2.42.4.amzn1.i686
ruby18-libs-1.8.7.374-2.42.4.amzn1.i686
ruby18-ri-1.8.7.374-2.42.4.amzn1.i686
ruby18-debuginfo-1.8.7.374-2.42.4.amzn1.i686
ruby18-devel-1.8.7.374-2.42.4.amzn1.i686
ruby18-1.8.7.374-2.42.4.amzn1.i686
noarch:
ruby18-irb-0.9.5-2.42.4.amzn1.noarch
ruby18-rdoc-1.0.1-2.42.4.amzn1.noarch
src:
ruby18-1.8.7.374-2.42.4.amzn1.src
x86_64:
ruby18-debuginfo-1.8.7.374-2.42.4.amzn1.x86_64
ruby18-static-1.8.7.374-2.42.4.amzn1.x86_64
ruby18-1.8.7.374-2.42.4.amzn1.x86_64
ruby18-devel-1.8.7.374-2.42.4.amzn1.x86_64
ruby18-libs-1.8.7.374-2.42.4.amzn1.x86_64
ruby18-ri-1.8.7.374-2.42.4.amzn1.x86_64
Red Hat: CVE-2015-1855
Mitre: CVE-2015-1855
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
4.3 Medium
CVSS2
Access Vector
NETWORK
Access 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
0.028 Low
EPSS
Percentile
90.6%