GHSA-x2mc-8fgj-3wmr

    Dashboard / Vulnerabilities / GHSA-x2mc-8fgj-3wmr

    GHSA-x2mc-8fgj-3wmr

    Published: 1 May 2019Last Modified: 8 Nov 2023

    Summary: Improper Input Validation in tar-fs

    Details: A vulnerability was found in tar-fs before 1.16.2. An Arbitrary File Overwrite issue exists when extracting a tarball containing a hardlink to a file that already exists on the system, in conjunction with a later plain file with the same name as the hardlink. This plain file content replaces the existing file content.

    References: https://nvd.nist.gov/vuln/detail/CVE-2018-20835, https://github.com/mafintosh/tar-fs/commit/06672828e6fa29ac8551b1b6f36c852a9a3c58a2, https://hackerone.com/reports/344595, https://github.com/mafintosh/tar-fs/compare/d590fc7...a35ce2f

    Affected packages

    Package

    Name: tar-fs

    Purl: pkg:npm/tar-fs

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -1.16.2

    Affected versions

    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