CVE-2024-28250: Github.com/cilium/cilium Unencrypted Traffic Between Nodes When Vulnerability

{
  "schema_version" : "1.4.0",
  "id" : "GHSA-v6q2-4qr3-5cw6",
  "modified" : "2024-03-19T18:31:16Z",
  "published" : "2024-03-18T20:33:32Z",
  "aliases" : [ "CVE-2024-28250" ],
  "summary" : "Unencrypted traffic between nodes when using WireGuard and L7 policies",
  "details" : "### Impact\n\nIn Cilium clusters with WireGuard enabled and traffic matching Layer 7 policies:\n\n- Traffic that should be WireGuard-encrypted is sent unencrypted between a node's Envoy proxy and pods on other nodes.\n- Traffic that should be WireGuard-encrypted is sent unencrypted between a node's DNS proxy and pods on other nodes.\n\n### Patches\n\nThis issue affects:\n\n* In native routing mode (`routingMode=native`):\n  * Cilium v1.14 versions before v1.14.8\n  * Cilium v1.15 versions before v1.15.2\n* In tunneling mode (`routingMode=tunnel`):\n  * Cilium v1.14 versions before v1.14.4\n  * Cilium v1.14.4 if `encryption.wireguard.encapsulate` is set to `false` (default).\n\nThis issue has been resolved in:\n\n* In native routing mode (`routingMode=native`):\n  * Cilium v1.14.8\n  * Cilium v1.15.2\n* In tunneling mode (`routingMode=tunnel`):\n  * Cilium v1.14.4. **NOTE** `encryption.wireguard.encapsulate` must be set to `true`.\n   \n### Workarounds\n\nThere is no workaround to this issue.\n\n### Acknowledgements\nThe Cilium community has worked together with members of Isovalent to prepare these mitigations. Special thanks to @brb, @giorio94, @gandro and @jschwinger233 for their work on triaging and remediating this issue.\n\n### For more information\nIf you have any questions or comments about this advisory, please reach out on [Slack](https://docs.cilium.io/en/latest/community/community/#slack).\n\nIf you think you found a related vulnerability, we strongly encourage you to report security vulnerabilities to our private security mailing list at [security@cilium.io](mailto:security@cilium.io). This is a private mailing list where only members of the Cilium internal security team are subscribed to, and your report will be treated as top priority.\n",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/cilium/cilium"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "1.14.0"
      }, {
        "fixed" : "1.14.8"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/cilium/cilium"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "1.15.0"
      }, {
        "fixed" : "1.15.2"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/cilium/cilium/security/advisories/GHSA-v6q2-4qr3-5cw6"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2024-28250"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/cilium/cilium"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/cilium/cilium/releases/tag/v1.13.13"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/cilium/cilium/releases/tag/v1.14.8"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/cilium/cilium/releases/tag/v1.15.2"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-311", "CWE-319" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-03-18T20:33:32Z",
    "nvd_published_at" : "2024-03-18T22:15:08Z"
  }
}