Vulnerability-Lookup

GHSA-6GP3-H3JJ-PRX4

Vulnerability from github – Published: 2020-04-07 15:47 – Updated: 2022-04-28 17:58

Summary

Prototype pollution in class-transformer

Details

class-transformer through 0.2.3 is vulnerable to Prototype Pollution. The 'classToPlainFromExist' function could be tricked into adding or modifying properties of 'Object.prototype' using a 'proto' payload.

Severity ?

5.3 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

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{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "class-transformer"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.3.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2020-7637"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1321",
      "CWE-915"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2020-04-07T15:46:31Z",
    "nvd_published_at": "2020-04-06T13:15:00Z",
    "severity": "MODERATE"
  },
  "details": "class-transformer through 0.2.3 is vulnerable to Prototype Pollution. The \u0027classToPlainFromExist\u0027 function could be tricked into adding or modifying properties of \u0027Object.prototype\u0027 using a \u0027__proto__\u0027 payload.",
  "id": "GHSA-6gp3-h3jj-prx4",
  "modified": "2022-04-28T17:58:13Z",
  "published": "2020-04-07T15:47:40Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-7637"
    },
    {
      "type": "WEB",
      "url": "https://github.com/typestack/class-transformer/commit/8f04eb9db02de708f1a20f6f2d2bb309b2fed01e"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/typestack/class-transformer"
    },
    {
      "type": "WEB",
      "url": "https://github.com/typestack/class-transformer/blob/a650d9f490573443f62508bc063b857bcd5e2525/src/ClassTransformer.ts#L29-L31,"
    },
    {
      "type": "WEB",
      "url": "https://snyk.io/vuln/SNYK-JS-CLASSTRANSFORMER-564431"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Prototype pollution in class-transformer"
}

CVE-2020-7637 (GCVE-0-2020-7637)

Vulnerability from cvelistv5 – Published: 2020-04-06 12:34 – Updated: 2024-08-04 09:33

Summary

class-transformer before 0.3.1 allow attackers to perform Prototype Pollution. The classToPlainFromExist function could be tricked into adding or modifying properties of Object.prototype using a __proto__ payload.

Severity ?

No CVSS data available.

CWE

Prototype Pollution

Assigner

snyk

References

URL

Tags

	https://github.com/typestack/class-transformer/co…	x_refsource_MISC
	https://snyk.io/vuln/SNYK-JS-CLASSTRANSFORMER-564431	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	class-transformer	Affected: All versions prior to version 0.3.1

Show details on NVD website

JSON

To clipboard

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        "providerMetadata": {
          "dateUpdated": "2024-08-04T09:33:19.944Z",
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            "url": "https://github.com/typestack/class-transformer/commit/8f04eb9db02de708f1a20f6f2d2bb309b2fed01e"
          },
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            ],
            "url": "https://snyk.io/vuln/SNYK-JS-CLASSTRANSFORMER-564431"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "class-transformer",
          "vendor": "n/a",
          "versions": [
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        "dateUpdated": "2020-08-05T13:23:18",
        "orgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730",
        "shortName": "snyk"
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          "url": "https://github.com/typestack/class-transformer/commit/8f04eb9db02de708f1a20f6f2d2bb309b2fed01e"
        },
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            "x_refsource_MISC"
          ],
          "url": "https://snyk.io/vuln/SNYK-JS-CLASSTRANSFORMER-564431"
        }
      ],
      "x_legacyV4Record": {
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          "ID": "CVE-2020-7637",
          "STATE": "PUBLIC"
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  "cveMetadata": {
    "assignerOrgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730",
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    "datePublished": "2020-04-06T12:34:54",
    "dateReserved": "2020-01-21T00:00:00",
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}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-6GP3-H3JJ-PRX4

CVE-2020-7637 (GCVE-0-2020-7637)

Tags

Sightings

Nomenclature