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CVE-2015-1855 Details
Description
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.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://bugs.ruby-lang.org/issues/9644 | CVE | Third Party Advisory |
| https://puppetlabs.com/security/cve/cve-2015-1855 | CVE | Third Party Advisory |
| https://www.ruby-lang.org/en/news/2015/04/13/ruby-openssl-hostname-matching-vulnerability/ | CVE | Vendor Advisory |
| http://www.debian.org/security/2015/dsa-3245 | CVE | Third Party Advisory |
| http://www.debian.org/security/2015/dsa-3246 | CVE | Third Party Advisory |
| http://www.debian.org/security/2015/dsa-3247 | CVE | Third Party Advisory |
| https://bugs.ruby-lang.org/issues/9644 | [email protected] | Third Party Advisory |
| https://puppetlabs.com/security/cve/cve-2015-1855 | [email protected] | Third Party Advisory |
| https://www.ruby-lang.org/en/news/2015/04/13/ruby-openssl-hostname-matching-vulnerability/ | [email protected] | Vendor Advisory |
| http://www.debian.org/security/2015/dsa-3245 | [email protected] | Third Party Advisory |
| http://www.debian.org/security/2015/dsa-3246 | [email protected] | Third Party Advisory |
| http://www.debian.org/security/2015/dsa-3247 | [email protected] | Third Party Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-20 | Improper Input Validation | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| ruby-lang ruby | >= 2.1.0, < 2.1.6 >= 2.2.0, < 2.2.2 2.0.0 - 2.0.0 p0 2.0.0 p195 2.0.0 p247 2.0.0 p353 2.0.0 p451 2.0.0 p481 2.0.0 p576 2.0.0 p594 2.0.0 p598 2.0.0 p643 |
CPE
Remediation
| |
| ruby-lang trunk | < 50292 |
CPE
Remediation
| |
| debian debian linux | 7.0 8.0 9.0 |
CPE
Remediation
| |
| puppet puppet agent | 1.0.0 |
CPE
Remediation
| |
| puppet puppet enterprise | >= 3.0.0, < 3.8.0 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| Sep 30, 2020 | CPE Deprecation Remap | [email protected] |
| Dec 17, 2019 | Initial Analysis | [email protected] |