Vulnerability 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 Score
5.3
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Docker | Docker | < 19.03.9 |
Related Weaknesses (CWE)
References
- http://web.archive.org/web/20200530054359/https://docs.docker.com/engine/releaseRelease NotesThird Party Advisory
- https://github.com/moby/buildkit/pull/1462Third Party Advisory
- https://github.com/moby/moby/pull/40877Third Party Advisory
- https://golang.org/pkg/io/ioutil/#TempDirThird Party Advisory
- https://golang.org/pkg/os/#TempDirThird Party Advisory
- http://web.archive.org/web/20200530054359/https://docs.docker.com/engine/releaseRelease NotesThird Party Advisory
- https://github.com/moby/buildkit/pull/1462Third Party Advisory
- https://github.com/moby/moby/pull/40877Third Party Advisory
- https://golang.org/pkg/io/ioutil/#TempDirThird Party Advisory
- https://golang.org/pkg/os/#TempDirThird Party Advisory
FAQ
What is CVE-2020-27534?
CVE-2020-27534 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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.Te...
How severe is CVE-2020-27534?
CVE-2020-27534 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-27534?
Check the references section above for vendor advisories and patch information. Affected products include: Docker Docker.