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CVE-2015-1855

CVE-2015-1855

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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 5.9 · Medium · EPSS 2.8% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • ruby

    Versions
    • before 2.0.0 patchlevel 645: Affected
    • 2.1.x before 2.1.6: Affected
    • and 2.2.x before 2.2.2: Affected

    No fix published

  • ruby1.9.1 Ubuntu:14.04:LTS

    Versions
    • 1.9.3.194-8.1ubuntu2
    • 1.9.3.448-1ubuntu1
    • 1.9.3.448-1ubuntu2
    • 1.9.3.484-1ubuntu1
    • 1.9.3.484-1ubuntu2
    • 1.9.3.484-2ubuntu1
    • 1.9.3.484-2ubuntu1.1
    • 1.9.3.484-2ubuntu1.2
    Affected ranges
    • ECOSYSTEM: < 1.9.3.484-2ubuntu1.3

    Update to 1.9.3.484-2ubuntu1.3

  • ruby2.0 Ubuntu:14.04:LTS

    Versions
    • 2.0.0.299-2
    • 2.0.0.343-1
    • 2.0.0.343-1ubuntu1
    • 2.0.0.353-1
    • 2.0.0.353-1ubuntu1
    • 2.0.0.484-1ubuntu1
    • 2.0.0.484-1ubuntu2
    • 2.0.0.484-1ubuntu2.1
    • 2.0.0.484-1ubuntu2.2
    Affected ranges
    • ECOSYSTEM: < 2.0.0.484-1ubuntu2.4

    Update to 2.0.0.484-1ubuntu2.4

Original sources

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