pysec - pysec-2023-236

pysec-2023-236

Vulnerability from pysec

Published

2023-11-13 03:15

Modified

2023-11-16 20:25

Severity ?

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

Remarshal prior to v0.17.1 expands YAML alias nodes unlimitedly, hence Remarshal is vulnerable to Billion Laughs Attack. Processing untrusted YAML files may cause a denial-of-service (DoS) condition.

Aliases

CVE-2023-47163

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "remarshal",
        "purl": "pkg:pypi/remarshal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "fd6ac799a02f533c3fc243b49cdd6d21aa7ee494"
            }
          ],
          "repo": "https://github.com/remarshal-project/remarshal",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.17.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.10.0",
        "0.11.0",
        "0.11.1",
        "0.11.2",
        "0.12.0",
        "0.14.0",
        "0.15.0",
        "0.15.1",
        "0.16.0",
        "0.16.1",
        "0.17.0",
        "0.8.0",
        "0.9.0",
        "0.9.1",
        "0.9.2"
      ]
    }
  ],
  "aliases": [
    "CVE-2023-47163"
  ],
  "details": "Remarshal prior to v0.17.1 expands YAML alias nodes unlimitedly, hence Remarshal is vulnerable to Billion Laughs Attack. Processing untrusted YAML files may cause a denial-of-service (DoS) condition.",
  "id": "PYSEC-2023-236",
  "modified": "2023-11-16T20:25:23.801345+00:00",
  "published": "2023-11-13T03:15:00+00:00",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/remarshal-project/remarshal/releases/tag/v0.17.1"
    },
    {
      "type": "FIX",
      "url": "https://github.com/remarshal-project/remarshal/commit/fd6ac799a02f533c3fc243b49cdd6d21aa7ee494"
    },
    {
      "type": "WEB",
      "url": "https://jvn.jp/en/jp/JVN86156389/"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

cve-2023-47163

Vulnerability from cvelistv5

Published

2023-11-13 02:26

Modified

2024-08-02 21:01

Severity ?

Summary

Remarshal prior to v0.17.1 expands YAML alias nodes unlimitedly, hence Remarshal is vulnerable to Billion Laughs Attack. Processing untrusted YAML files may cause a denial-of-service (DoS) condition.

References

▼	URL	Tags
	https://github.com/remarshal-project/remarshal/releases/tag/v0.17.1
	https://github.com/remarshal-project/remarshal/commit/fd6ac799a02f533c3fc243b49cdd6d21aa7ee494
	https://jvn.jp/en/jp/JVN86156389/

Impacted products

▼	Vendor	Product
	Remarshal-project	Remarshal

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T21:01:22.828Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/remarshal-project/remarshal/releases/tag/v0.17.1"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/remarshal-project/remarshal/commit/fd6ac799a02f533c3fc243b49cdd6d21aa7ee494"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://jvn.jp/en/jp/JVN86156389/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Remarshal",
          "vendor": "Remarshal-project",
          "versions": [
            {
              "status": "affected",
              "version": "prior to v0.17.1"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Remarshal prior to v0.17.1 expands YAML alias nodes unlimitedly, hence Remarshal is vulnerable to Billion Laughs Attack. Processing untrusted YAML files may cause a denial-of-service (DoS) condition."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Uncontrolled Recursion",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-11-13T02:26:42.658Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "url": "https://github.com/remarshal-project/remarshal/releases/tag/v0.17.1"
        },
        {
          "url": "https://github.com/remarshal-project/remarshal/commit/fd6ac799a02f533c3fc243b49cdd6d21aa7ee494"
        },
        {
          "url": "https://jvn.jp/en/jp/JVN86156389/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2023-47163",
    "datePublished": "2023-11-13T02:26:42.658Z",
    "dateReserved": "2023-10-31T00:29:57.924Z",
    "dateUpdated": "2024-08-02T21:01:22.828Z",
    "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.

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