SB2015041615 - Fedora 22 update for ruby



SB2015041615 - Fedora 22 update for ruby

Published: April 16, 2015 Updated: April 24, 2025

Security Bulletin ID SB2015041615
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2015-1855)

The vulnerability allows a remote non-authenticated attacker to manipulate data.

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.


Remediation

Install update from vendor's website.