Spoofing attack in Docker
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-13401 |
| CWE-ID | CWE-451 |
| Exploitation vector | Local network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
Docker Server applications / Virtualization software |
| Vendor | Docker Inc. |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Spoofing attack
EUVDB-ID: #VU28556
Risk: Medium
CVSSv3.1: 4.2 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L/E:P/RL:O/RC:C]
CVE-ID: CVE-2020-13401
CWE-ID:
CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to incorrect processing of IPv6 router advertisements. An attacker in a container, with the CAP_NET_RAW capability, can craft IPv6 router advertisements, and consequently spoof external IPv6 hosts, obtain sensitive information, or cause a denial of service.
MitigationInstall updates from vendor's website.
Vulnerable software versionsDocker: 19.03.0 - 19.03.10
External linkshttp://www.openwall.com/lists/oss-security/2020/06/01/5
http://docs.docker.com/engine/release-notes/
http://github.com/docker/docker-ce/releases/tag/v19.03.11
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).
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.
