UBUNTU-CVE-2012-2126

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    UBUNTU-CVE-2012-2126

    Published: 20 Apr 2012Last Modified: 4 Feb 2026
    Upstream:
    CVE-2012-2126

    Summary:

    Details: RubyGems before 1.8.23 does not verify an SSL certificate, which allows remote attackers to modify a gem during installation via a man-in-the-middle attack.

    References: https://ubuntu.com/security/CVE-2012-2126, http://www.openwall.com/lists/oss-security/2012/04/20, http://www.ruby-lang.org/en/news/2012/04/20/ruby-1-9-3-p194-is-released/, https://github.com/rubygems/rubygems/blob/1.8/History.txt, https://ubuntu.com/security/notices/USN-1582-1, https://ubuntu.com/security/notices/USN-1583-1, https://www.cve.org/CVERecord?id=CVE-2012-2126

    Affected packages

    Package

    Name: jruby

    Purl: pkg:deb/ubuntu/[email protected]+deb8u2build0.14.04.1~esm2?arch=source&distro=esm-infra-legacy/trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    1.5.6-5ubuntu1
    1.5.6-6
    1.5.6-7
    1.5.6-9+deb8u2build0.14.04.1~esm2

    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