CVE-2021-41092
Docker CLI leaks private registry credentials to registry-1.docker.io
Impact
## Impact A bug was found in the Docker CLI where running `docker login my-private-registry.example.com` with a misconfigured configuration file (typically `~/.docker/config.json`) listing a `credsStore` or `credHelpers` that could not be executed would result in any provided credentials being sent to `registry-1.docker.io` rather than the intended private registry. ## Patches This bug has been fixed in Docker CLI 20.10.9. Users should update to this version as soon as possible. ## Workarounds Ensure that any configured `credsStore` or `credHelpers` entries in the configuration file reference an installed credential helper that is executable and on the `PATH`. ## For more information If you have any questions or comments about this advisory: * [Open an issue](https://github.com/docker/cli/issues/new/choose) * Email us at security@docker.com if you think you’ve found a security bug
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/docker/cli | < 20.10.9 | 20.10.9 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Docker | Command Line Interface | before 20.10.9 |
| Fedoraproject | Fedora | Versions 34, 35 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf
- https://github.com/docker/cli/commit/893e52cf4ba4b048d72e99748e0f86b2767c6c6b
- https://github.com/docker/cli/security/advisories/GHSA-99pg-grm5-qq3v
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B5Q6G6I4W5COQE25QMC7FJY3I3PAYFBB/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZNFADTCHHYWVM6W4NJ6CB4FNFM2VMBIB/
- https://github.com/advisories/GHSA-99pg-grm5-qq3v
- https://nvd.nist.gov/vuln/detail/CVE-2021-41092
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/B5Q6G6I4W5COQE25QMC7FJY3I3PAYFBB
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZNFADTCHHYWVM6W4NJ6CB4FNFM2VMBIB