modules:
  - module: github.com/mholt/caddy
    versions:
      - fixed: 0.10.13
    vulnerable_at: 0.10.13-0.20180330123946-2966db7b7800
    packages:
      - package: github.com/mholt/caddy/caddyhttp/httpserver
        symbols:
          - httpContext.MakeServers
          - Server.serveHTTP
          - assertConfigsCompatible
        skip_fix: 'TODO: revisit this reason. (cannot find module providing package
            github.com/lucas-clemente/quic-go/h2quic)'
description: |
    Due to improper TLS verification when serving traffic for multiple
    SNIs, an attacker may bypass TLS client authentication by indicating
    an SNI during the TLS handshake that is different from the name in
    the HTTP Host header.
published: 2021-04-14T20:04:52Z
cves:
  - CVE-2018-21246
ghsas:
  - GHSA-gr7w-x2jp-3xgw
references:
  - fix: https://github.com/caddyserver/caddy/pull/2099
  - fix: https://github.com/caddyserver/caddy/commit/4d9ee000c8d2cbcdd8284007c1e0f2da7bc3c7c3
  - web: https://bugs.gentoo.org/715214