CVE-2017-0902

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    CVE-2017-0902

    Published: 31 Aug 2017Last Modified: 27 Aug 2026

    Summary:

    Details: RubyGems version 2.6.12 and earlier is vulnerable to a DNS hijacking vulnerability that allows a MITM attacker to force the RubyGems client to download and install gems from a server that the attacker controls.

    References: http://www.securityfocus.com/bid/100586, http://www.securitytracker.com/id/1039249, https://access.redhat.com/errata/RHSA-2017:3485, https://access.redhat.com/errata/RHSA-2018:0378, https://access.redhat.com/errata/RHSA-2018:0583, https://access.redhat.com/errata/RHSA-2018:0585, https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html, https://security.gentoo.org/glsa/201710-01, https://usn.ubuntu.com/3553-1/, https://usn.ubuntu.com/3685-1/, https://www.debian.org/security/2017/dsa-3966, https://hackerone.com/reports/218088, http://blog.rubygems.org/2017/08/27/2.6.13-released.html, https://github.com/rubygems/rubygems/commit/8d91516fb7037ecfb27622f605dc40245e0f8d32

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    v2.6.12
    v2.6.11
    v2.6.7
    v2.6.10
    v2.6.9
    v2.6.8
    v2.6.6
    v2.6.5
    v2.6.3
    v2.6.4
    v2.6.2
    v2.6.1
    v2.6.0

    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