GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

GHSA-32GV-6CF3-WCMQ

Vulnerability from github – Published: 2022-03-14 22:45 – Updated: 2022-03-14 22:45
VLAI
Summary
HTTP/2 DoS Attacks: Ping, Reset, and Settings Floods
Details

Impact

Twisted web servers that utilize the optional HTTP/2 support suffer from the following flow-control related vulnerabilities:

Ping flood: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9512 Reset flood: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9514 Settings flood: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9515

A Twisted web server supports HTTP/2 requests if you've installed the http2 optional dependency set.

Workarounds

There are no workarounds.

References

https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-002.md

For more information

If you have any questions or comments about this advisory: * Open an issue in Twisted's Trac

Show details on source website

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "twisted"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "19.10.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": true,
    "github_reviewed_at": "2022-03-14T22:45:11Z",
    "nvd_published_at": null,
    "severity": "CRITICAL"
  },
  "details": "### Impact\nTwisted web servers that utilize the optional HTTP/2 support suffer from the following flow-control related vulnerabilities:\n\nPing flood: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9512\nReset flood: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9514\nSettings flood: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9515\n\nA Twisted web server supports HTTP/2 requests if you\u0027ve installed the [`http2` optional dependency set](https://twistedmatrix.com/documents/19.2.0/installation/howto/optional.html).\n\n### Workarounds\nThere are no workarounds.\n\n### References\nhttps://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-002.md\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [Twisted\u0027s Trac](https://twistedmatrix.com/trac/)\n",
  "id": "GHSA-32gv-6cf3-wcmq",
  "modified": "2022-03-14T22:45:11Z",
  "published": "2022-03-14T22:45:11Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/twisted/twisted/security/advisories/GHSA-32gv-6cf3-wcmq"
    },
    {
      "type": "WEB",
      "url": "https://github.com/twisted/twisted/commit/a40ab1ce5210f231abe7a448a54d7e88e48f2d5d"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/twisted/twisted"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [],
  "summary": "HTTP/2 DoS Attacks: Ping, Reset, and Settings Floods"
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • 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.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


Loading…