UBUNTU-CVE-2015-7551

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    UBUNTU-CVE-2015-7551

    Published: 23 Mar 2016Last Modified: 22 Apr 2026
    Upstream:
    CVE-2015-7551
    Aliases:
    USN-3365-1

    Summary:

    Details: The Fiddle::Handle implementation in ext/fiddle/handle.c in Ruby before 2.0.0-p648, 2.1 before 2.1.8, and 2.2 before 2.2.4, as distributed in Apple OS X before 10.11.4 and other products, mishandles tainting, which allows context-dependent attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted string, related to the DL module and the libffi library. NOTE: this vulnerability exists because of a CVE-2009-5147 regression.

    References: https://ubuntu.com/security/CVE-2015-7551, https://www.ruby-lang.org/en/news/2015/12/16/unsafe-tainted-string-usage-in-fiddle-and-dl-cve-2015-7551/, https://ubuntu.com/security/notices/USN-3365-1, https://www.cve.org/CVERecord?id=CVE-2015-7551

    Affected packages

    Package

    Name: ruby2.0

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.0.0.484-1ubuntu2.4

    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

    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