QID 375789

Date Published: 2021-08-19

QID 375789: Docker Moby Docker Engine Improper Certificate Validation Vulnerability

Moby is an open-source project created by Docker to enable and accelerate software containerization.

Vulnerability Details:
The Docker engine validated a client TLS certificate using both the configured client CA root certificate and all system roots on non-Windows systems. This allowed a client with any domain validated certificate signed by a system-trusted root CA (as opposed to one signed by the configured CA root certificate) to authenticate

Affected version:
Docker Moby before 17.06.0.

QID Detection Logic(Authenticated):
Vulnerable versions of Docker Moby are detected by running the command "curl --unix-socket /var/run/docker.sock http://localhost/version"

Successful exploitation of vulnerability allows unauthorized modification by an attacker.

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as Medium - 5 severity.
    • Solution
    Customers are advised to upgrade to Docker Moby 17.06.0 from the link or later versions to remediate this vulnerability.
    Vendor References

    CVEs related to QID 375789

    CVE-2018-12608 |
    Software Advisories
    Advisory ID Software Component Link
    Docker Moby 17.06.0 URL Logo github.com/moby/moby/releases
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