CVE-2016-3067

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    CVE-2016-3067

    Published: 21 Apr 2017Last Modified: 8 Jul 2026

    Summary:

    Details: Cygwin before 2.5.0 does not properly handle updating permissions when changing users, which allows attackers to gain privileges.

    References: https://sourceware.org/git/?p=newlib-cygwin.git%3Ba=commit%3Bh=205862ed08649df8f50b926a2c58c963f571b044, https://cygwin.com/ml/cygwin-announce/2016-02/msg00023.html, https://cygwin.com/ml/cygwin-announce/2016-04/msg00020.html, https://cygwin.com/ml/cygwin-announce/2016-04/msg00054.html, https://cygwin.com/ml/cygwin/2016-02/msg00129.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -61f181d6b872e6f37b04fed790fa903a312a3795

    Affected versions

    cygwin-2_6_1-release

    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
    CVE-2016-3067 | CVE-DB