CVE-2020-27534 Information

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Reference

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

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

NONE

Base Score

NONE

Base Severity

5.3