CVE-2020-27534

2020-12-3000:00:00

ubuntu.com

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

0.001 Low

EPSS

Percentile

49.6%

JSON

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.

Notes

Author	Note
mdeslaur	the patch looks like a windows-specific issue, the description is “Avoid creation of irrelevant temporary files on Windows.” and it basically only modified Windows code. Marking as not-affected.