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Ruby Improper Input Validation Vulnerability (CVE-2015-1855) - Vulnerability Database

Ruby Improper Input Validation Vulnerability (CVE-2015-1855)

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.

References

CVE-2015-1855

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Severity

Medium

Classification

CVE-2015-1855
CWE-20
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Tags

Missing Update
Known Vulnerabilities