ghsa-5wjf-62hw-q78r
Vulnerability from github
Published
2021-09-10 17:54
Modified
2021-09-10 16:33
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
Excessive CPU usage
Details

Envoy, which Pomerium is based on, incorrectly handles resetting of HTTP/2 streams with excessive complexity. This can lead to high CPU utilization when a large number of streams are reset.

Impact

This can result in a DoS condition.

Patches

Pomerium versions 0.14.8 and 0.15.1 contain an upgraded envoy binary with this vulnerability patched.

Workarounds

N/A

References

envoy GSA envoy CVE envoy announcement

For more information

If you have any questions or comments about this advisory: * Open an issue in pomerium/pomerium * Email us at security@pomerium.com

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/pomerium/pomerium"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.14.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/pomerium/pomerium"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.15.0"
            },
            {
              "fixed": "0.15.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.15.0"
      ]
    }
  ],
  "aliases": [
    "CVE-2021-39204"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-834"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-09-10T16:33:46Z",
    "nvd_published_at": "2021-09-09T22:15:00Z",
    "severity": "HIGH"
  },
  "details": "Envoy, which Pomerium is based on, incorrectly handles resetting of HTTP/2 streams with excessive complexity.  This can lead to high CPU utilization when a large number of streams are reset.  \n\n### Impact\n\nThis can result in a DoS condition.\n\n### Patches\nPomerium versions 0.14.8 and 0.15.1 contain an upgraded envoy binary with this vulnerability patched.\n\n### Workarounds\nN/A\n\n### References\n[envoy GSA](https://github.com/envoyproxy/envoy/security/advisories/GHSA-3xh3-33v5-chcc)\n[envoy CVE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-32778)\n[envoy announcement](https://groups.google.com/g/envoy-announce/c/5xBpsEZZDfE/m/wD05NZBbAgAJ)\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [pomerium/pomerium](https://github.com/pomerium/pomerium/issues)\n* Email us at [security@pomerium.com](mailto:security@pomerium.com)\n",
  "id": "GHSA-5wjf-62hw-q78r",
  "modified": "2021-09-10T16:33:46Z",
  "published": "2021-09-10T17:54:13Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-3xh3-33v5-chcc"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pomerium/pomerium/security/advisories/GHSA-5wjf-62hw-q78r"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-39204"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/pomerium/pomerium"
    },
    {
      "type": "WEB",
      "url": "https://groups.google.com/g/envoy-announce/c/5xBpsEZZDfE/m/wD05NZBbAgAJ"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Excessive CPU usage"
}


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