UBUNTU-CVE-2017-0903

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    UBUNTU-CVE-2017-0903

    Published: 11 Oct 2017Last Modified: 22 Apr 2026
    Upstream:
    CVE-2017-0903

    Summary:

    Details: RubyGems versions between 2.0.0 and 2.6.13 are vulnerable to a possible remote code execution vulnerability. YAML deserialization of gem specifications can bypass class white lists. Specially crafted serialized objects can possibly be used to escalate to remote code execution.

    References: https://ubuntu.com/security/CVE-2017-0903, http://blog.rubygems.org/2017/10/09/2.6.14-released.html, http://blog.rubygems.org/2017/10/09/unsafe-object-deserialization-vulnerability.html, https://github.com/rubygems/rubygems/commit/510b1638ac9bba3ceb7a5d73135dafff9e5bab49, https://hackerone.com/reports/274990, https://ubuntu.com/security/notices/USN-3553-1, https://ubuntu.com/security/notices/USN-3685-1, https://ubuntu.com/security/notices/USN-3685-2, https://www.cve.org/CVERecord?id=CVE-2017-0903

    Affected packages

    Package

    Name: ruby2.0

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.0.0.484-1ubuntu2.10

    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
    2.0.0.484-1ubuntu2.6
    2.0.0.484-1ubuntu2.8
    2.0.0.484-1ubuntu2.9

    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