Privilege escalation in Docker Desktop for Windows



Published: 2020-05-27
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-11492
CWE-ID CWE-264
Exploitation vector Local
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
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Docker Desktop for Windows
Client/Desktop applications / Software for system administration

Vendor Docker Inc.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU28296

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-2020-11492

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 handles inter process communications. A local privileged user can run a specially crafted application and escalate privileges on the system.

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://www.pentestpartners.com/security-blog/docker-desktop-for-windows-privesc-cve-2020-11492/


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.



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