github - ghsa-r88r-gmrh-7j83

ghsa-r88r-gmrh-7j83

Vulnerability from github

Published

2022-12-28 00:30

Modified

2023-01-10 15:50

Severity ?

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

Summary

YAML Go package vulnerable to denial of service

Details

Due to unbounded alias chasing, a maliciously crafted YAML file can cause the system to consume significant system resources. If parsing user input, this may be used as a denial of service vector.

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "gopkg.in/yaml.v2"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.2.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/go-yaml/yaml"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "2.1.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-4235"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": true,
    "github_reviewed_at": "2022-12-30T19:02:10Z",
    "nvd_published_at": "2022-12-27T22:15:00Z",
    "severity": "MODERATE"
  },
  "details": "Due to unbounded alias chasing, a maliciously crafted YAML file can cause the system to consume significant system resources. If parsing user input, this may be used as a denial of service vector.",
  "id": "GHSA-r88r-gmrh-7j83",
  "modified": "2023-01-10T15:50:24Z",
  "published": "2022-12-28T00:30:23Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-4235"
    },
    {
      "type": "WEB",
      "url": "https://github.com/go-yaml/yaml/pull/375"
    },
    {
      "type": "WEB",
      "url": "https://github.com/go-yaml/yaml/commit/bb4e33bf68bf89cad44d386192cbed201f35b241"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/go-yaml/yaml"
    },
    {
      "type": "WEB",
      "url": "https://pkg.go.dev/vuln/GO-2021-0061"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "YAML Go package vulnerable to denial of service"
}

cve-2021-4235

Vulnerability from cvelistv5

Published

2022-12-27 21:13

Modified

2024-08-03 17:23

Severity ?

Summary

Due to unbounded alias chasing, a maliciously crafted YAML file can cause the system to consume significant system resources. If parsing user input, this may be used as a denial of service vector.

References

▼	URL	Tags
	https://github.com/go-yaml/yaml/pull/375
	https://github.com/go-yaml/yaml/commit/bb4e33bf68bf89cad44d386192cbed201f35b241
	https://pkg.go.dev/vuln/GO-2021-0061
	https://lists.debian.org/debian-lts-announce/2023/07/msg00001.html

Impacted products

Vendor

Product

Version

▼

gopkg.in/yaml.v2

Version: 0 ≤

github.com/go-yaml/yaml

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:23:09.096Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/go-yaml/yaml/pull/375"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/go-yaml/yaml/commit/bb4e33bf68bf89cad44d386192cbed201f35b241"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://pkg.go.dev/vuln/GO-2021-0061"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2023/07/msg00001.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://pkg.go.dev",
          "defaultStatus": "unaffected",
          "packageName": "gopkg.in/yaml.v2",
          "product": "gopkg.in/yaml.v2",
          "programRoutines": [
            {
              "name": "decoder.unmarshal"
            },
            {
              "name": "Decoder.Decode"
            },
            {
              "name": "Unmarshal"
            },
            {
              "name": "UnmarshalStrict"
            }
          ],
          "vendor": "gopkg.in/yaml.v2",
          "versions": [
            {
              "lessThan": "2.2.3",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "collectionURL": "https://pkg.go.dev",
          "defaultStatus": "affected",
          "packageName": "github.com/go-yaml/yaml",
          "product": "github.com/go-yaml/yaml",
          "programRoutines": [
            {
              "name": "decoder.unmarshal"
            },
            {
              "name": "Decoder.Decode"
            },
            {
              "name": "Unmarshal"
            },
            {
              "name": "UnmarshalStrict"
            }
          ],
          "vendor": "github.com/go-yaml/yaml"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "@simonferquel"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Due to unbounded alias chasing, a maliciously crafted YAML file can cause the system to consume significant system resources. If parsing user input, this may be used as a denial of service vector."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE 400: Uncontrolled Resource Consumption",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-06-12T19:04:08.123Z",
        "orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
        "shortName": "Go"
      },
      "references": [
        {
          "url": "https://github.com/go-yaml/yaml/pull/375"
        },
        {
          "url": "https://github.com/go-yaml/yaml/commit/bb4e33bf68bf89cad44d386192cbed201f35b241"
        },
        {
          "url": "https://pkg.go.dev/vuln/GO-2021-0061"
        },
        {
          "url": "https://lists.debian.org/debian-lts-announce/2023/07/msg00001.html"
        }
      ],
      "title": "Denial of service in gopkg.in/yaml.v2"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
    "assignerShortName": "Go",
    "cveId": "CVE-2021-4235",
    "datePublished": "2022-12-27T21:13:42.393Z",
    "dateReserved": "2022-07-29T18:56:20.415Z",
    "dateUpdated": "2024-08-03T17:23:09.096Z",
    "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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