USN-5103-1

    Dashboard / Vulnerabilities / USN-5103-1

    USN-5103-1

    Published: 4 Oct 2021Last Modified: 25 Jun 2026

    Summary: docker.io vulnerability

    Details: Lei Wang and Ruizhi Xiao discovered that the Moby Docker engine in Docker incorrectly allowed the docker cp command to make permissions changes in the host filesystem in some situations. A local attacker could possibly use to this to expose sensitive information or gain administrative privileges.

    References: https://ubuntu.com/security/notices/USN-5103-1, https://ubuntu.com/security/CVE-2021-41089

    Affected packages

    Package

    Name: docker.io

    Purl: pkg:deb/ubuntu/docker.io?arch=source&distro=esm-infra%2Fxenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -18.09.7-0ubuntu1~16.04.9+esm1

    Affected versions

    1.6.2~dfsg1-1ubuntu4

    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
    USN-5103-1 | CVE-DB