UBUNTU-CVE-2018-8779

    Dashboard / Vulnerabilities / UBUNTU-CVE-2018-8779

    UBUNTU-CVE-2018-8779

    Published: 3 Apr 2018Last Modified: 22 Apr 2026
    Upstream:
    CVE-2018-8779
    Aliases:
    USN-3626-1

    Summary:

    Details: 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, the UNIXServer.open and UNIXSocket.open methods are not checked for null characters. It may be connected to an unintended socket.

    References: https://ubuntu.com/security/CVE-2018-8779, https://www.ruby-lang.org/en/news/2018/03/28/poisoned-nul-byte-unixsocket-cve-2018-8779/, https://github.com/ruby/ruby/commit/8794dec6a5f11adc5cdd19a5ee91ea6b0816763f, https://github.com/ruby/ruby/commit/47165eed264d357e78e27371cfef20d5c2bde5d9, https://ubuntu.com/security/notices/USN-3626-1, https://www.cve.org/CVERecord?id=CVE-2018-8779

    Affected packages

    Package

    Name: ruby1.9.1

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.9.3.484-2ubuntu1.11

    Affected 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

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High