CVE-2020-27534

MEDIUM

Docker Engine <19.03.9 - Path Traversal

Title source: llm
STIX 2.1

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.

References (5)

Core 5
Core References
Third Party Advisory x_refsource_misc
https://github.com/moby/buildkit/pull/1462
Third Party Advisory x_refsource_misc
https://github.com/moby/moby/pull/40877
Third Party Advisory x_refsource_misc
https://golang.org/pkg/io/ioutil/#TempDir
Third Party Advisory x_refsource_misc
https://golang.org/pkg/os/#TempDir

Scores

CVSS v3 5.3
EPSS 0.0175
EPSS Percentile 75.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Details

CWE
CWE-22
Status published
Products (3)
docker/docker < 19.03.9
docker/docker 0 - 19.03.9Go
moby/moby 0 - 19.03.9Go
Published Dec 30, 2020
Tracked Since Feb 18, 2026