CVEvulnerability
CVE-2020-27534
5.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2020-12-30
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-22
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.
Affected configurations
• docker docker (< 19.03.9)
Related
Weakness · CWE (1)
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness
References
- http://web.archive.org/web/20200530054359/https://docs.docker.com/engine/release-notes/ Release Notes, Third Party Advisory
- https://github.com/moby/buildkit/pull/1462 Third Party Advisory
- https://github.com/moby/moby/pull/40877 Third Party Advisory
- https://golang.org/pkg/io/ioutil/#TempDir Third Party Advisory
- https://golang.org/pkg/os/#TempDir Third Party Advisory
- http://web.archive.org/web/20200530054359/https://docs.docker.com/engine/release-notes/ Release Notes, Third Party Advisory
- https://github.com/moby/buildkit/pull/1462 Third Party Advisory
- https://github.com/moby/moby/pull/40877 Third Party Advisory
- https://golang.org/pkg/io/ioutil/#TempDir Third Party Advisory
- https://golang.org/pkg/os/#TempDir Third Party Advisory