github - ghsa-5jpm-x58v-624v

ghsa-5jpm-x58v-624v

Vulnerability from github

Published

2024-03-25 19:40

Modified

2024-06-22 00:30

Severity ?

5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Summary

Netty's HttpPostRequestDecoder can OOM

Details

Summary

The HttpPostRequestDecoder can be tricked to accumulate data. I have spotted currently two attack vectors

Details

While the decoder can store items on the disk if configured so, there are no limits to the number of fields the form can have, an attacher can send a chunked post consisting of many small fields that will be accumulated in the bodyListHttpData list.
The decoder cumulates bytes in the undecodedChunk buffer until it can decode a field, this field can cumulate data without limits

PoC

Here is a Netty branch that provides a fix + tests : https://github.com/vietj/netty/tree/post-request-decoder

Here is a reproducer with Vert.x (which uses this decoder) https://gist.github.com/vietj/f558b8ea81ec6505f1e9a6ca283c9ae3

Impact

Any Netty based HTTP server that uses the HttpPostRequestDecoder to decode a form.

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "io.netty:netty-codec-http"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.1.108.Final"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2024-29025"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-770"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-03-25T19:40:50Z",
    "nvd_published_at": "2024-03-25T20:15:08Z",
    "severity": "MODERATE"
  },
  "details": "### Summary\nThe `HttpPostRequestDecoder` can be tricked to accumulate data. I have spotted currently two attack vectors \n\n### Details\n1. While the decoder can store items on the disk if configured so, there are no limits to the number of fields the form can have, an attacher can send a chunked post consisting of many small fields that will be accumulated in the `bodyListHttpData` list.\n2. The decoder cumulates bytes in the `undecodedChunk` buffer until it can decode a field, this field can cumulate data without limits\n\n### PoC\n\nHere is a Netty branch that provides a fix + tests : https://github.com/vietj/netty/tree/post-request-decoder\n\n\nHere is a reproducer with Vert.x (which uses this decoder) https://gist.github.com/vietj/f558b8ea81ec6505f1e9a6ca283c9ae3\n\n### Impact\nAny Netty based HTTP server that uses the `HttpPostRequestDecoder` to decode a form.",
  "id": "GHSA-5jpm-x58v-624v",
  "modified": "2024-06-22T00:30:55Z",
  "published": "2024-03-25T19:40:50Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/netty/netty/security/advisories/GHSA-5jpm-x58v-624v"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-29025"
    },
    {
      "type": "WEB",
      "url": "https://github.com/netty/netty/commit/0d0c6ed782d13d423586ad0c71737b2c7d02058c"
    },
    {
      "type": "WEB",
      "url": "https://gist.github.com/vietj/f558b8ea81ec6505f1e9a6ca283c9ae3"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/netty/netty"
    },
    {
      "type": "WEB",
      "url": "https://github.com/vietj/netty/tree/post-request-decoder"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00015.html"
    }
  ],
  "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:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Netty\u0027s HttpPostRequestDecoder can OOM"
}

cve-2024-29025

Vulnerability from cvelistv5

Published

2024-03-25 20:09

Modified

2024-08-02 01:03

Severity ?

5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Summary

Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. The `HttpPostRequestDecoder` can be tricked to accumulate data. While the decoder can store items on the disk if configured so, there are no limits to the number of fields the form can have, an attacher can send a chunked post consisting of many small fields that will be accumulated in the `bodyListHttpData` list. The decoder cumulates bytes in the `undecodedChunk` buffer until it can decode a field, this field can cumulate data without limits. This vulnerability is fixed in 4.1.108.Final.

References

▼	URL	Tags
	https://github.com/netty/netty/security/advisories/GHSA-5jpm-x58v-624v	x_refsource_CONFIRM
	https://github.com/netty/netty/commit/0d0c6ed782d13d423586ad0c71737b2c7d02058c	x_refsource_MISC
	https://gist.github.com/vietj/f558b8ea81ec6505f1e9a6ca283c9ae3	x_refsource_MISC
	https://lists.debian.org/debian-lts-announce/2024/06/msg00015.html

Impacted products

Vendor

Product

Version

▼

netty

Version: < 4.1.108.Final

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:netty:netty:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "netty",
            "vendor": "netty",
            "versions": [
              {
                "lessThan": "4.1.108.Final",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-29025",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-07-19T15:54:48.153095Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-07-19T21:08:16.746Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T01:03:51.668Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "https://github.com/netty/netty/security/advisories/GHSA-5jpm-x58v-624v",
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/netty/netty/security/advisories/GHSA-5jpm-x58v-624v"
          },
          {
            "name": "https://github.com/netty/netty/commit/0d0c6ed782d13d423586ad0c71737b2c7d02058c",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/netty/netty/commit/0d0c6ed782d13d423586ad0c71737b2c7d02058c"
          },
          {
            "name": "https://gist.github.com/vietj/f558b8ea81ec6505f1e9a6ca283c9ae3",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://gist.github.com/vietj/f558b8ea81ec6505f1e9a6ca283c9ae3"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00015.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "netty",
          "vendor": "netty",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 4.1.108.Final"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers \u0026 clients. The `HttpPostRequestDecoder` can be tricked to accumulate data. While the decoder can store items on the disk if configured so, there are no limits to the number of fields the form can have, an attacher can send a chunked post consisting of many small fields that will be accumulated in the `bodyListHttpData` list. The decoder cumulates bytes in the `undecodedChunk` buffer until it can decode a field, this field can cumulate data without limits. This vulnerability is fixed in 4.1.108.Final."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-770",
              "description": "CWE-770: Allocation of Resources Without Limits or Throttling",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-03-25T20:09:35.156Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/netty/netty/security/advisories/GHSA-5jpm-x58v-624v",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/netty/netty/security/advisories/GHSA-5jpm-x58v-624v"
        },
        {
          "name": "https://github.com/netty/netty/commit/0d0c6ed782d13d423586ad0c71737b2c7d02058c",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/netty/netty/commit/0d0c6ed782d13d423586ad0c71737b2c7d02058c"
        },
        {
          "name": "https://gist.github.com/vietj/f558b8ea81ec6505f1e9a6ca283c9ae3",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://gist.github.com/vietj/f558b8ea81ec6505f1e9a6ca283c9ae3"
        },
        {
          "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00015.html"
        }
      ],
      "source": {
        "advisory": "GHSA-5jpm-x58v-624v",
        "discovery": "UNKNOWN"
      },
      "title": "Netty HttpPostRequestDecoder can OOM"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2024-29025",
    "datePublished": "2024-03-25T20:09:35.156Z",
    "dateReserved": "2024-03-14T16:59:47.611Z",
    "dateUpdated": "2024-08-02T01:03:51.668Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted

ghsa-5jpm-x58v-624v

Vulnerability from github

Summary

Details

PoC

Impact

cve-2024-29025

Vulnerability from cvelistv5

Tags

Sightings

Nomenclature