GHSA-68MJ-9PJQ-MC85

Vulnerability from github – Published: 2024-03-18 20:30 – Updated: 2024-03-19 18:31
VLAI?
Summary
Intermittent HTTP policy bypass
Details

Impact

Cilium's HTTP policies are not consistently applied to all traffic in the scope of the policies, leading to HTTP traffic being incorrectly and intermittently forwarded when it should be dropped.

Patches

This issue affects:

  • Cilium v1.13 between v1.13.9 and v1.13.12 inclusive
  • Cilium v1.14 between v1.14.0 and v1.14.7 inclusive
  • Cilium v1.15.0 and v1.15.1

This issue has been patched in:

  • Cilium v1.15.2
  • Cilium v1.14.8
  • Cilium v1.13.13

Workarounds

There is no workaround for this issue – affected users are strongly encouraged to upgrade.

Acknowledgements

The Cilium community has worked together with members of Isovalent to prepare these mitigations. Special thanks to @romikps for discovering and reporting this issue, and @sayboras and @jrajahalme for preparing the fix.

For more information

If you have any questions or comments about this advisory, please reach out on Slack.

If you think you have found a vulnerability affecting Cilium, we strongly encourage you to report it to our security mailing list at security@cilium.io. This is a private mailing list for the Cilium internal security team, and your report will be treated as top priority.

Severity ?
7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Show details on source website
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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/cilium/cilium"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.13.9"
            },
            {
              "fixed": "1.13.13"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/cilium/cilium"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.14.0"
            },
            {
              "fixed": "1.14.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/cilium/cilium"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.15.0"
            },
            {
              "fixed": "1.15.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2024-28248"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-693"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-03-18T20:30:22Z",
    "nvd_published_at": "2024-03-18T22:15:08Z",
    "severity": "HIGH"
  },
  "details": "### Impact\n\nCilium\u0027s [HTTP policies](https://docs.cilium.io/en/stable/security/policy/language/#http) are not consistently applied to all traffic in the scope of the policies, leading to HTTP traffic being incorrectly and intermittently forwarded when it should be dropped.\n\n### Patches\n\nThis issue affects:\n\n* Cilium v1.13 between v1.13.9 and v1.13.12 inclusive\n* Cilium v1.14 between v1.14.0 and v1.14.7 inclusive\n* Cilium v1.15.0 and v1.15.1\n\nThis issue has been patched in:\n\n* Cilium v1.15.2\n* Cilium v1.14.8\n* Cilium v1.13.13\n\n### Workarounds\n\nThere is no workaround for this issue \u2013 affected users are strongly encouraged to upgrade.\n\n### Acknowledgements\n\nThe Cilium community has worked together with members of Isovalent to prepare these mitigations. Special thanks to @romikps for discovering and reporting this issue, and @sayboras and @jrajahalme for preparing the fix.\n\n### For more information\n\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 have found a vulnerability affecting Cilium, we strongly encourage you to report it to our security mailing list at [security@cilium.io](mailto:security@cilium.io). This is a private mailing list for the Cilium internal security team, and your report will be treated as top priority.",
  "id": "GHSA-68mj-9pjq-mc85",
  "modified": "2024-03-19T18:31:29Z",
  "published": "2024-03-18T20:30:22Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/cilium/cilium/security/advisories/GHSA-68mj-9pjq-mc85"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-28248"
    },
    {
      "type": "WEB",
      "url": "https://docs.cilium.io/en/stable/security/policy/language/#http"
    },
    {
      "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"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Intermittent HTTP policy bypass"
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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