CVE-2018-1000117

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    CVE-2018-1000117

    Published: 7 Mar 2018Last Modified: 7 Aug 2026
    Aliases:
    PSF-2022-2

    Summary:

    Details: Python Software Foundation CPython version From 3.2 until 3.6.4 on Windows contains a Buffer Overflow vulnerability in os.symlink() function on Windows that can result in Arbitrary code execution, likely escalation of privilege. This attack appears to be exploitable via a python script that creates a symlink with an attacker controlled name or location. This vulnerability appears to have been fixed in 3.7.0 and 3.6.5.

    References: https://bugs.python.org/issue33001, https://github.com/python/cpython/pull/5989

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -0a5a5af9b6b47727c5ee3def4508dab312949075

    Affected versions

    v3.5.6rc1
    v3.5.5
    v3.5.5rc1
    v3.5.4
    v3.5.4rc1
    v3.5.3
    v3.5.3rc1
    v3.5.2
    v3.5.2rc1
    v3.5.1rc1
    v3.5.0rc3
    v3.5.0rc2
    v3.5.0rc1
    v3.5.0b4
    v3.5.0b3
    v3.5.0b1
    v3.5.0a4
    v3.5.0a3
    v3.5.0a2
    v3.5.0a1

    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