UBUNTU-CVE-2018-1000076

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    UBUNTU-CVE-2018-1000076

    Published: 13 Mar 2018Last Modified: 22 Apr 2026
    Aliases:
    USN-3621-1

    Summary:

    Details: RubyGems version Ruby 2.2 series: 2.2.9 and earlier, Ruby 2.3 series: 2.3.6 and earlier, Ruby 2.4 series: 2.4.3 and earlier, Ruby 2.5 series: 2.5.0 and earlier, prior to trunk revision 62422 contains a Improper Verification of Cryptographic Signature vulnerability in package.rb that can result in a mis-signed gem could be installed, as the tarball would contain multiple gem signatures.. This vulnerability appears to have been fixed in 2.7.6.

    References: https://ubuntu.com/security/CVE-2018-1000076, https://github.com/rubygems/rubygems/commit/f5042b879259b1f1ce95a0c5082622c646376693, https://www.ruby-lang.org/en/news/2018/02/17/multiple-vulnerabilities-in-rubygems/, https://ubuntu.com/security/notices/USN-3621-1, https://www.cve.org/CVERecord?id=CVE-2018-1000076

    Affected packages

    Package

    Name: ruby2.0

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.0.0.484-1ubuntu2.6

    Affected 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

    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