PSF-2017-8

    Dashboard / Vulnerabilities / PSF-2017-8

    PSF-2017-8

    Published: 22 Jun 2017Last Modified: 9 Oct 2025

    Summary: Environment variables injection in subprocess on Windows

    Details: On Windows, prevent passing invalid environment variables and command arguments to subprocess.Popen. It is possible to inject an environment variable in subprocess on Windows if a user data is passed to a subprocess via environment variable. Check for invalid environment (variable names containing '=') and command arguments (containing '\0').

    References: https://bugs.python.org/issue30730

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -9dda2caca8edc7ff1285f6b0d1c5279b51854b7d

    Affected versions

    2.5

    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