Improper Validation of Certificate with Host Mismatch Affecting rubygem-io-console package, versions *


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
2.58% (91st percentile)

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  • Snyk IDSNYK-CENTOS7-RUBYGEMIOCONSOLE-1945000
  • published26 Jul 2021
  • disclosed30 Mar 2015

Introduced: 30 Mar 2015

CVE-2015-1855  (opens in a new tab)
CWE-297  (opens in a new tab)

How to fix?

There is no fixed version for Centos:7 rubygem-io-console.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rubygem-io-console package and not the rubygem-io-console package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

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.

CVSS Scores

version 3.1