#VU28556 Spoofing attack in Docker - CVE-2020-13401
Published: June 3, 2020 / Updated: April 1, 2021
Vulnerability identifier: #VU28556
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2020-13401
CWE-ID: CWE-451
Exploitation vector: Adjecent network
Exploit availability:
Public exploit is available
Vulnerable software:
Docker
Docker
Software vendor:
Docker Inc.
Docker Inc.
Description
The 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.
Remediation
Install updates from vendor's website.