vulnerability
Red Hat: CVE-2015-1855: ruby: OpenSSL extension hostname matching implementation violates RFC 6125
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:N/I:P/A:N) | Nov 29, 2019 | Jul 9, 2025 | Jul 9, 2025 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
Nov 29, 2019
Added
Jul 9, 2025
Modified
Jul 9, 2025
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.
Solution
no-fix-redhat-rpm-package
References
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