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CVE-2018-8778

CVE-2018-8778

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

In Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1, an attacker controlling the unpacking format (similar to format string vulnerabilities) can trigger a buffer under-read in the String#unpack method, resulting in a massive and controlled information disclosure.

CVSS 7.5 · High · EPSS 7.5% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • n/a

    Versions
    • n/a: 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
    • 1.9.3.484-2ubuntu1.3
    • 1.9.3.484-2ubuntu1.5
    • 1.9.3.484-2ubuntu1.6
    • 1.9.3.484-2ubuntu1.7
    • 1.9.3.484-2ubuntu1.8
    • 1.9.3.484-2ubuntu1.10
    Affected ranges
    • ECOSYSTEM: < 1.9.3.484-2ubuntu1.11

    Update to 1.9.3.484-2ubuntu1.11

  • 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
    • 2.0.0.484-1ubuntu2.4
    • 2.0.0.484-1ubuntu2.5
    • 2.0.0.484-1ubuntu2.6
    • 2.0.0.484-1ubuntu2.8
    Affected ranges
    • ECOSYSTEM: < 2.0.0.484-1ubuntu2.9

    Update to 2.0.0.484-1ubuntu2.9

  • ruby2.3 Ubuntu:16.04:LTS

    Versions
    • 2.3.0-1
    • 2.3.0-2
    • 2.3.0-4ubuntu2
    • 2.3.0-4ubuntu3
    • 2.3.0-5ubuntu1
    • 2.3.1-2~16.04
    • 2.3.1-2~16.04.2
    • 2.3.1-2~16.04.4
    • 2.3.1-2~16.04.5
    • 2.3.1-2~16.04.6
    • 2.3.1-2~16.04.7
    Affected ranges
    • ECOSYSTEM: < 2.3.1-2~16.04.9

    Update to 2.3.1-2~16.04.9

Original sources

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