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GHSA-XPW8-RCWV-8F8P

Vulnerability from github – Published: 2023-10-10 22:22 – Updated: 2023-11-06 22:08
VLAI
Summary
io.netty:netty-codec-http2 vulnerable to HTTP/2 Rapid Reset Attack
Details

A client might overload the server by issue frequent RST frames. This can cause a massive amount of load on the remote system and so cause a DDOS attack.

Impact

This is a DDOS attack, any http2 server is affected and so you should update as soon as possible.

Patches

This is patched in version 4.1.100.Final.

Workarounds

A user can limit the amount of RST frames that are accepted per connection over a timeframe manually using either an own Http2FrameListener implementation or an ChannelInboundHandler implementation (depending which http2 API is used).

References

  • https://www.cve.org/CVERecord?id=CVE-2023-44487
  • https://blog.cloudflare.com/technical-breakdown-http2-rapid-reset-ddos-attack/
  • https://cloud.google.com/blog/products/identity-security/google-cloud-mitigated-largest-ddos-attack-peaking-above-398-million-rps/
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Show details on source website
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "io.netty:netty-codec-http2"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.1.100.Final"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [
      "CWE-400"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-10-10T22:22:54Z",
    "nvd_published_at": null,
    "severity": "HIGH"
  },
  "details": "A client might overload the server by issue frequent RST frames. This can cause a massive amount of load on the remote system and so cause a DDOS attack. \n\n### Impact\nThis is a DDOS attack, any http2 server is affected and so you should update as soon as possible.\n\n### Patches\nThis is patched in version 4.1.100.Final.\n\n### Workarounds\nA user can limit the amount of RST frames that are accepted per connection over a timeframe manually using either an own `Http2FrameListener` implementation or an `ChannelInboundHandler` implementation (depending which http2 API is used).\n\n### References\n- https://www.cve.org/CVERecord?id=CVE-2023-44487\n- https://blog.cloudflare.com/technical-breakdown-http2-rapid-reset-ddos-attack/\n- https://cloud.google.com/blog/products/identity-security/google-cloud-mitigated-largest-ddos-attack-peaking-above-398-million-rps/",
  "id": "GHSA-xpw8-rcwv-8f8p",
  "modified": "2023-11-06T22:08:35Z",
  "published": "2023-10-10T22:22:54Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/apple/swift-nio-http2/security/advisories/GHSA-qppj-fm5r-hxr3"
    },
    {
      "type": "WEB",
      "url": "https://github.com/netty/netty/security/advisories/GHSA-xpw8-rcwv-8f8p"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-44487"
    },
    {
      "type": "WEB",
      "url": "https://github.com/netty/netty/commit/58f75f665aa81a8cbcf6ffa74820042a285c5e61"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/netty/netty"
    },
    {
      "type": "WEB",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-44487"
    }
  ],
  "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": "io.netty:netty-codec-http2 vulnerable to HTTP/2 Rapid Reset Attack"
}



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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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