ghsa-468w-8x39-gj5v
Vulnerability from github
Published
2022-12-08 16:11
Modified
2022-12-12 22:26
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Summary
Traefik routes exposed with an empty TLSOption
Details

Impact

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.

Patches

https://github.com/traefik/traefik/releases/tag/v2.9.6

Workarounds

Check the logs to detect the following error messages and fix your TLS options:

  • Empty CA:

{"level":"error","msg":"invalid clientAuthType: RequireAndVerifyClientCert, CAFiles is required","routerName":"Router0@file"}

  • Bad CA content (or bad path):

{"level":"error","msg":"invalid certificate(s) content","routerName":"Router0@file"}

  • Unknown Client Auth Type:

{"level":"error","msg":"unknown client auth type \"FooClientAuthType\"","routerName":"Router0@file"}

  • Invalid cipherSuites

{"level":"error","msg":"invalid CipherSuite: foobar","routerName":"Router0@file"}

  • Invalid curvePreferences

{"level":"error","msg":"invalid CurveID in curvePreferences: foobar","routerName":"Router0@file"}

For more information

If you have any questions or comments about this advisory, please open an issue.

Show details on source website

To clipboard 

{
   affected: [
      {
         package: {
            ecosystem: "Go",
            name: "github.com/traefik/traefik/v2",
         },
         ranges: [
            {
               events: [
                  {
                     introduced: "0",
                  },
                  {
                     fixed: "2.9.6",
                  },
               ],
               type: "ECOSYSTEM",
            },
         ],
      },
   ],
   aliases: [
      "CVE-2022-46153",
   ],
   database_specific: {
      cwe_ids: [
         "CWE-295",
      ],
      github_reviewed: true,
      github_reviewed_at: "2022-12-08T16:11:12Z",
      nvd_published_at: "2022-12-08T22:15:00Z",
      severity: "MODERATE",
   },
   details: "## Impact\n\nThere is a potential vulnerability in Traefik managing the TLS connections.\n\nA router configured with a not well-formatted [TLSOption](https://doc.traefik.io/traefik/v2.9/https/tls/#tls-options) is exposed with an empty TLSOption.\n\nFor instance, a route secured using an mTLS connection set with a wrong CA file is exposed without verifying the client certificates.\n\n## Patches\n\nhttps://github.com/traefik/traefik/releases/tag/v2.9.6\n\n## Workarounds\n\nCheck the logs to detect the following error messages and fix your TLS options:\n\n- Empty CA:\n\n```\n{\"level\":\"error\",\"msg\":\"invalid clientAuthType: RequireAndVerifyClientCert, CAFiles is required\",\"routerName\":\"Router0@file\"}\n```\n\n- Bad CA content (or bad path):\n\n```\n{\"level\":\"error\",\"msg\":\"invalid certificate(s) content\",\"routerName\":\"Router0@file\"}\n```\n\n- Unknown Client Auth Type:\n\n```\n{\"level\":\"error\",\"msg\":\"unknown client auth type \\\"FooClientAuthType\\\"\",\"routerName\":\"Router0@file\"}\n```\n\n- Invalid cipherSuites\n\n```\n{\"level\":\"error\",\"msg\":\"invalid CipherSuite: foobar\",\"routerName\":\"Router0@file\"}\n```\n\n- Invalid curvePreferences\n\n```\n{\"level\":\"error\",\"msg\":\"invalid CurveID in curvePreferences: foobar\",\"routerName\":\"Router0@file\"}\n``` \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).",
   id: "GHSA-468w-8x39-gj5v",
   modified: "2022-12-12T22:26:28Z",
   published: "2022-12-08T16:11:12Z",
   references: [
      {
         type: "WEB",
         url: "https://github.com/traefik/traefik/security/advisories/GHSA-468w-8x39-gj5v",
      },
      {
         type: "ADVISORY",
         url: "https://nvd.nist.gov/vuln/detail/CVE-2022-46153",
      },
      {
         type: "WEB",
         url: "https://github.com/traefik/traefik/commit/7e3fe48b80083b41e9ff82a474a36484cabc701a",
      },
      {
         type: "WEB",
         url: "https://doc.traefik.io/traefik/v2.9/https/tls/#tls-options",
      },
      {
         type: "PACKAGE",
         url: "https://github.com/traefik/traefik",
      },
      {
         type: "WEB",
         url: "https://github.com/traefik/traefik/releases/tag/v2.9.6",
      },
   ],
   schema_version: "1.4.0",
   severity: [
      {
         score: "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
         type: "CVSS_V3",
      },
   ],
   summary: "Traefik routes exposed with an empty TLSOption",
}


Log in or create an account to share your comment.

Security Advisory comment format.

This schema specifies the format of a comment related to a security advisory.

UUIDv4 of the comment
UUIDv4 of the Vulnerability-Lookup instance
When the comment was created originally
When the comment was last updated
Title of the comment
Description of the comment
The identifier of the vulnerability (CVE ID, GHSA-ID, PYSEC ID, etc.).



Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.