NVD Vulnerability Detail

CVE-2015-1855

Summary	verify_certificate_identity in the OpenSSL extension in Ruby before 2.0.0 patchlevel 645, 2.1.x before 2.1.6, and 2.2.x before 2.2.2 does not properly validate hostnames, which allows remote attackers to spoof servers via vectors related to (1) multiple wildcards, (1) wildcards in IDNA names, (3) case sensitivity, and (4) non-ASCII characters.
Publication Date	Nov. 30, 2019, 6:15 a.m.
Registration Date	Jan. 26, 2021, 2:46 p.m.
Last Update	Nov. 21, 2024, 11:26 a.m.

Affected software configurations

Configuration3	or higher	or less	more than	less than
cpe:2.3:a:puppet:puppet_enterprise::::::::	3.0.0			3.8.0
cpe:2.3:a:puppet:puppet_agent:1.0.0:::::::*

Related information, measures and tools

No	URL	タグ
1	http://www.debian.org/security/2015/dsa-3245	Third Party Advisory
2	http://www.debian.org/security/2015/dsa-3245	Third Party Advisory
3	http://www.debian.org/security/2015/dsa-3246	Third Party Advisory
4	http://www.debian.org/security/2015/dsa-3246	Third Party Advisory
5	http://www.debian.org/security/2015/dsa-3247	Third Party Advisory
6	http://www.debian.org/security/2015/dsa-3247	Third Party Advisory
7	https://bugs.ruby-lang.org/issues/9644	Third Party Advisory
8	https://bugs.ruby-lang.org/issues/9644	Third Party Advisory
9	https://puppetlabs.com/security/cve/cve-2015-1855	Third Party Advisory
10	https://puppetlabs.com/security/cve/cve-2015-1855	Third Party Advisory
11	https://www.ruby-lang.org/en/news/2015/04/13/ruby-openssl-hostname-matching-vulnerability/	Vendor Advisory
12	https://www.ruby-lang.org/en/news/2015/04/13/ruby-openssl-hostname-matching-vulnerability/	Vendor Advisory

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-20	不適切な入力確認	https://cwe.mitre.org/data/definitions/20.html

JVN Vulnerability Information

Ruby における入力確認に関する脆弱性

Title	Ruby における入力確認に関する脆弱性
Summary	Ruby には、入力確認に関する脆弱性が存在します。
Possible impacts	情報を改ざんされる可能性があります。
Solution	ベンダより正式な対策が公開されています。ベンダ情報を参照して適切な対策を実施してください。
Publication Date	April 13, 2015, midnight
Registration Date	Dec. 20, 2019, 1:51 p.m.
Last Update	Dec. 20, 2019, 1:51 p.m.

Affected System

Ruby-lang.org

Ruby 2.0.0 patchlevel 645 未満

Ruby 2.1.6 未満の 2.1.x

Ruby 2.2.2 未満の 2.2.x

trunk

Debian

Debian GNU/Linux

Puppet

Puppet Agent

Puppet Enterprise

CVE (情報セキュリティ共通脆弱性識別子)

No	Name	URL
Common Vulnerabilities and Exposures (CVE)
1	CVE-2015-1855	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1855
National Vulnerability Database (NVD)
2	CVE-2015-1855	https://nvd.nist.gov/vuln/detail/CVE-2015-1855
Puppet
3	CVE-2015-1855 - Ruby OpenSSL Hostname Verification	https://puppet.com/security/cve/cve-2015-1855/
Ruby
4	CVE-2015-1855: Ruby OpenSSL Hostname Verification	https://www.ruby-lang.org/en/news/2015/04/13/ruby-openssl-hostname-matching-vulnerability/

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-20	https://jvndb.jvn.jp/ja/cwe/CWE-20.html

ベンダー情報

No	Name	URL
Debian Security Advisory
1	DSA-3245	https://www.debian.org/security/2015/dsa-3245
2	DSA-3246	https://www.debian.org/security/2015/dsa-3246
3	DSA-3247	https://www.debian.org/security/2015/dsa-3247
Ruby
4	Bug #9644	https://bugs.ruby-lang.org/issues/9644

Change Log

No	Changed Details	Date of change
1	[2019年12月20日] 掲載	Dec. 20, 2019, 1:51 p.m.