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Ubuntu: USN-3365-1 (CVE-2015-1855): Ruby vulnerabilities

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Ubuntu: USN-3365-1 (CVE-2015-1855): Ruby vulnerabilities

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
05/02/2015
Created
07/25/2018
Added
07/26/2017
Modified
03/02/2020

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(s)

  • ubuntu-upgrade-libruby1-9-1
  • ubuntu-upgrade-libruby2-0
  • ubuntu-upgrade-libruby2-3
  • ubuntu-upgrade-ruby1-9-1
  • ubuntu-upgrade-ruby2-0
  • ubuntu-upgrade-ruby2-3

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