Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2020-27534

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.

Published

2020-12-30T23:15:15.297

Last Modified

2024-11-21T05:21:19.763

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-22

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	docker	docker	< 19.03.9	Yes

References

http://web.archive.org/web/20200530054359/https://docs.docker.com/engine/release-notes/ Release Notes, Third Party Advisory ([email protected])
https://github.com/moby/buildkit/pull/1462 Third Party Advisory ([email protected])
https://github.com/moby/moby/pull/40877 Third Party Advisory ([email protected])
https://golang.org/pkg/io/ioutil/#TempDir Third Party Advisory ([email protected])
https://golang.org/pkg/os/#TempDir Third Party Advisory ([email protected])
http://web.archive.org/web/20200530054359/https://docs.docker.com/engine/release-notes/ Release Notes, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/moby/buildkit/pull/1462 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/moby/moby/pull/40877 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://golang.org/pkg/io/ioutil/#TempDir Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://golang.org/pkg/os/#TempDir Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)