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Docker EE: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (CVE-2020-27534)

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Docker EE: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (CVE-2020-27534)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
12/30/2020
Created
01/09/2021
Added
01/08/2021
Modified
01/08/2021

Description

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.

Solution(s)

  • docker-ee-upgrade-19_03_9

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