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GMS-2022-8053: Traefik routes exposed with an empty TLSOption

December 8, 2022

There is a potential vulnerability in Traefik managing the TLS connections. A router configured with a not well-formatted TLSOption is exposed with an empty TLSOption. For instance, a route secured using an mTLS connection set with a wrong CA file is exposed without verifying the client certificates.

References

  • doc.traefik.io/traefik/v2.9/https/tls/
  • github.com/advisories/GHSA-468w-8x39-gj5v
  • github.com/traefik/traefik/releases/tag/v2.9.6
  • github.com/traefik/traefik/security/advisories/GHSA-468w-8x39-gj5v

Code Behaviors & Features

Detect and mitigate GMS-2022-8053 with GitLab Dependency Scanning

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Affected versions

All versions before 2.9.6

Fixed versions

  • v2.9.6

Solution

Upgrade to version 2.9.6 or above.

Source file

go/github.com/traefik/traefik/v2/GMS-2022-8053.yml

Spotted a mistake? Edit the file on GitLab.

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