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.

Impacted products

Name	purl
remarshal	pkg:pypi/remarshal

Aliases

CVE-2023-47163

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 (GCVE-0-2023-47163)

Vulnerability from cvelistv5

Published

2023-11-13 02:26

Modified

2025-01-08 21:35

Severity ?

CWE

Uncontrolled Recursion

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	Version
	Remarshal-project	Remarshal	Version: prior to v0.17.1

Show details on NVD website

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"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-47163",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-01-08T21:34:46.749029Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-01-08T21:35:11.153Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "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": "2025-01-08T21:35:11.153Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Log in or create an account to share your comment.

Tags

Taxonomy of the tags.

All sightings related to this event Export sightings related to this event

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.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
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.