vulnerability
Docker EE: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (CVE-2020-27534)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:P/I:N/A:N) | 2020-12-30 | 2021-01-08 | 2021-01-08 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
2020-12-30
Added
2021-01-08
Modified
2021-01-08
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
docker-ee-upgrade-19_03_9
References
- CVE-2020-27534
- https://attackerkb.com/topics/CVE-2020-27534
- URL-http://web.archive.org/web/20200530054359/https://docs.docker.com/engine/release-notes/
- URL-https://github.com/moby/buildkit/pull/1462
- URL-https://github.com/moby/moby/pull/40877
- URL-https://golang.org/pkg/io/ioutil/#TempDir
- URL-https://golang.org/pkg/os/#TempDir
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