CVE-2022-23469: Github.com/traefik/traefik/v2 Traefik May Display Authorization Header Vulnerability

{
  "schema_version" : "1.4.0",
  "id" : "GHSA-h2ph-vhm7-g4hp",
  "modified" : "2022-12-09T15:20:21Z",
  "published" : "2022-12-08T16:11:37Z",
  "aliases" : [ "CVE-2022-23469" ],
  "summary" : "Traefik may display authorization header in the debug logs",
  "details" : "### Impact\n\nThere is a potential vulnerability in Traefik displaying the Authorization header in its debug logs.\n\nTraefik uses [oxy](https://github.com/vulcand/oxy) to provide the following features:\n\n- Round Robin: https://doc.traefik.io/traefik/routing/services/#weighted-round-robin-service\n- Buffering: https://doc.traefik.io/traefik/middlewares/http/buffering/\n- Circuit Breaker: https://doc.traefik.io/traefik/middlewares/http/circuitbreaker/\n- In-Flight Requests: https://doc.traefik.io/traefik/middlewares/http/inflightreq/\n\nIn such cases, if the log level is set to DEBUG, the credentials provided using the Authorization header are displayed in the debug logs:\n\n```\nlevel=debug msg=\"vulcand/oxy/roundrobin/rr: completed ServeHttp on request\" Request=\"{\\\\\"Method\\\\\":\\\\\"POST\\\\\",\\\\\"URL\\\\\":{\\\\\"Scheme\\\\\":\\\\\"\\\\\",\\\\\"Opaque\\\\\":\\\\\"\\\\\",\\\\\"User\\\\\":null,\\\\\"Host\\\\\":\\\\\"\\\\\",\\\\\"Path\\\\\":\\\\\"/<redacted>/<redacted>\\\\\",\\\\\"RawPath\\\\\":\\\\\"\\\\\",\\\\\"ForceQuery\\\\\":false,\\\\\"RawQuery\\\\\":\\\\\"\\\\\",\\\\\"Fragment\\\\\":\\\\\"\\\\\",\\\\\"RawFragment\\\\\":\\\\\"\\\\\"},\\\\\"Proto\\\\\":\\\\\"HTTP/2.0\\\\\",\\\\\"ProtoMajor\\\\\":2,\\\\\"ProtoMinor\\\\\":0,\\\\\"Header\\\\\":{\\\\\"Authorization\\\\\":[\\\\\"Bearer <token value was here>\\\\\"],\\\\\"Content-Type\\\\\":[\\\\\"application/grpc\\\\\"],\\\\\"Grpc-Accept-Encoding\\\\\":[\\\\\"gzip\\\\\"],\\\\\"Grpc-Timeout\\\\\":[\\\\\"29999886u\\\\\"],\\\\\"Te\\\\\":[\\\\\"trailers\\\\\"],\\\\\"User-Agent\\\\\":[\\\\\"<redacted>\\\\\"],<remainder of log message removed>\n```\n\n### Patches\n\nhttps://github.com/traefik/traefik/pull/9574\nhttps://github.com/traefik/traefik/releases/tag/v2.9.6\n\n### Workarounds\n\nSet the log level to `INFO`, `WARN`, or `ERROR`.\n\n### For more information\n\nIf you have any questions or comments about this advisory, please [open an issue](https://github.com/traefik/traefik/issues).",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/traefik/traefik/v2"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "2.9.6"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/traefik/traefik/security/advisories/GHSA-h2ph-vhm7-g4hp"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2022-23469"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/traefik/traefik/pull/9574"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/traefik/traefik"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/traefik/traefik/releases/tag/v2.9.6"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-200", "CWE-532" ],
    "severity" : "LOW",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-12-08T16:11:37Z",
    "nvd_published_at" : "2022-12-08T22:15:00Z"
  }
}