CVE-2020-27534

    Dashboard / Vulnerabilities / CVE-2020-27534

    CVE-2020-27534

    Published: 30 Dec 2020Last Modified: 27 Aug 2026

    Summary:

    Details: util/binfmt_misc/check.go in Builder in Docker Engine before 19.03.9 calls os.OpenFile with a potentially unsafe qemu-check temporary pathname, constructed with an empty first argument in an ioutil.TempDir call.

    References: http://web.archive.org/web/20200530054359/https://docs.docker.com/engine/release-notes/, https://github.com/moby/buildkit/pull/1462, https://github.com/moby/moby/pull/40877, https://golang.org/pkg/io/ioutil/#TempDir, https://golang.org/pkg/os/#TempDir

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -9d988398e765e4b97f27f93c4d04b272ac64c9c7

    Affected versions

    v19.03.8
    v19.03.7
    v19.03.6
    v19.03.6-rc2
    v19.03.6-rc1
    v19.03.5
    v19.03.5-rc1
    v19.03.5-beta2
    v19.03.5-beta1
    v19.03.4
    v19.03.4-rc1
    v19.03.3
    v19.03.3-rc1
    v19.03.3-beta2
    v19.03.3-beta1
    v19.03.2
    v19.03.2-rc1
    v19.03.2-beta1
    v19.03.0
    v19.03.0-rc3
    v19.03.0-rc2
    v19.03.0-beta5
    v19.03.0-beta4
    v19.03.0-beta3
    v19.03.0-beta2
    v19.03.0-beta1

    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-2020-27534 | CVE-DB