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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2019-11-29T20:46:48

Updated: 2024-08-06T04:54:16.307Z

Reserved: 2015-02-17T00:00:00

Link: CVE-2015-1855

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2019-11-29T21:15:10.807

Modified: 2020-09-30T12:27:21.570

Link: CVE-2015-1855

cve-icon Redhat

Severity : Moderate

Publid Date: 2015-03-30T00:00:00Z

Links: CVE-2015-1855 - Bugzilla