Privilege escalation in Docker Desktop for Windows

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU28297

Risk: Low

CVSSv3.1: 6 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2020-10665

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: Yes

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to application mishandles the collection of diagnostics with Administrator privileges, leading to arbitrary DACL permissions overwrites and arbitrary file writes.A local user can execute arbitrary code with NT AUTHORITY\SYSTEM privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Docker Desktop for Windows: 1.12.0 - 18.06.1-ce-win73

External links

http://docs.docker.com/release-notes/
http://github.com/active-labs/Advisories/blob/master/2020/ACTIVE-2020-002.md

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.