Vulnerability-Lookup

CNVD-2021-31987

Vulnerability from cnvd - Published: 2021-04-30

Title

Dart跨站脚本漏洞（CNVD-2021-31987）

Description

Dart是一款开源的编程语言。 Dart SDK versions prior to 2.12.3 存在跨站脚本漏洞，攻击者可利用该漏洞通过重击DOM来使用XSS攻击。

Severity

中

Patch Name

Dart跨站脚本漏洞（CNVD-2021-31987）的补丁

Patch Description

Dart是一款开源的编程语言。 Dart SDK versions prior to 2.12.3 存在跨站脚本漏洞，攻击者可利用该漏洞通过重击DOM来使用XSS攻击。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://github.com/dart-lang/sdk/commit/ce5a1c2392debce967415d4c09359ff2555e3588

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-22540

Impacted products

Name
Dart Dart <2.12.3

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-22540",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-22540"
    }
  },
  "description": "Dart\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u7f16\u7a0b\u8bed\u8a00\u3002\n\nDart SDK versions prior to 2.12.3 \u5b58\u5728\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u91cd\u51fbDOM\u6765\u4f7f\u7528XSS\u653b\u51fb\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://github.com/dart-lang/sdk/commit/ce5a1c2392debce967415d4c09359ff2555e3588",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-31987",
  "openTime": "2021-04-30",
  "patchDescription": "Dart\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u7f16\u7a0b\u8bed\u8a00\u3002\r\n\r\nDart SDK versions prior to 2.12.3 \u5b58\u5728\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u91cd\u51fbDOM\u6765\u4f7f\u7528XSS\u653b\u51fb\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Dart\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff08CNVD-2021-31987\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Dart Dart \u003c2.12.3"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-22540",
  "serverity": "\u4e2d",
  "submitTime": "2021-04-28",
  "title": "Dart\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff08CNVD-2021-31987\uff09"
}

CVE-2021-22540 (GCVE-0-2021-22540)

Vulnerability from cvelistv5 – Published: 2021-04-22 14:15 – Updated: 2024-08-03 18:44

Title

XSS in Dart SDK

Summary

Bad validation logic in the Dart SDK versions prior to 2.12.3 allow an attacker to use an XSS attack via DOM clobbering. The validation logic in dart:html for creating DOM nodes from text did not sanitize properly when it came across template tags.

Severity

No CVSS data available.

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation

Assigner

Google Google root

References

2 references

URL	Tags
https://github.com/dart-lang/sdk/security/advisor…	x_refsource_CONFIRM
https://github.com/dart-lang/sdk/commit/ce5a1c239…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
Google LLC	Dart SDK	Affected: stable , < 2.12.3 (custom)

Credits

Vincenzo di Cicco

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T18:44:14.025Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/dart-lang/sdk/security/advisories/GHSA-3rfv-4jvg-9522"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/dart-lang/sdk/commit/ce5a1c2392debce967415d4c09359ff2555e3588"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Dart SDK",
          "vendor": "Google LLC",
          "versions": [
            {
              "lessThan": "2.12.3",
              "status": "affected",
              "version": "stable",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Vincenzo di Cicco"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Bad validation logic in the Dart SDK versions prior to 2.12.3 allow an attacker to use an XSS attack via DOM clobbering. The validation logic in dart:html for creating DOM nodes from text did not sanitize properly when it came across template tags."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79: Improper Neutralization of Input During Web Page Generation",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-04-22T14:15:17.000Z",
        "orgId": "14ed7db2-1595-443d-9d34-6215bf890778",
        "shortName": "Google"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/dart-lang/sdk/security/advisories/GHSA-3rfv-4jvg-9522"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/dart-lang/sdk/commit/ce5a1c2392debce967415d4c09359ff2555e3588"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "XSS in Dart SDK",
      "x_legacyV4Record": {
        "CVE_data_meta": {
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          "ID": "CVE-2021-22540",
          "STATE": "PUBLIC",
          "TITLE": "XSS in Dart SDK"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Dart SDK",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_name": "stable",
                            "version_value": "2.12.3"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Google LLC"
              }
            ]
          }
        },
        "credit": [
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            "lang": "eng",
            "value": "Vincenzo di Cicco"
          }
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        },
        "problemtype": {
          "problemtype_data": [
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              "description": [
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                  "lang": "eng",
                  "value": "CWE-79: Improper Neutralization of Input During Web Page Generation"
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          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/dart-lang/sdk/security/advisories/GHSA-3rfv-4jvg-9522",
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              "url": "https://github.com/dart-lang/sdk/security/advisories/GHSA-3rfv-4jvg-9522"
            },
            {
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              "url": "https://github.com/dart-lang/sdk/commit/ce5a1c2392debce967415d4c09359ff2555e3588"
            }
          ]
        },
        "source": {
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  },
  "cveMetadata": {
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Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CNVD-2021-31987

CVE-2021-22540 (GCVE-0-2021-22540)

Tags

Sightings

Nomenclature

Related by attack behaviour