Vulnerability-Lookup

CNVD-2021-99764

Vulnerability from cnvd - Published: 2021-12-14

Title

Mozilla Firefox ESR输入验证错误漏洞

Description

Mozilla Firefox是美国Mozilla基金会的一款开源Web浏览器。 Mozilla Firefox ESR 存在输入验证错误漏洞，该漏洞源于在为外部协议调用协议处理程序时，提供的包含空格的参数URL未能正确转义。远程攻击者可以诱使受害者单击特制链接并通过 URI 处理程序将未转义的输入传递给第三方应用程序。

Severity

中

Patch Name

Mozilla Firefox ESR输入验证错误漏洞的补丁

Patch Description

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://www.mozilla.org/security/advisories/mfsa2021-52/

Reference

https://ubuntu.com/security/notices/USN-5186-1

Impacted products

Name
Mozilla Firefox <95.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-43540",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-43540"
    }
  },
  "description": "Mozilla Firefox\u662f\u7f8e\u56fdMozilla\u57fa\u91d1\u4f1a\u7684\u4e00\u6b3e\u5f00\u6e90Web\u6d4f\u89c8\u5668\u3002\n\nMozilla Firefox ESR \u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u4e3a\u5916\u90e8\u534f\u8bae\u8c03\u7528\u534f\u8bae\u5904\u7406\u7a0b\u5e8f\u65f6\uff0c\u63d0\u4f9b\u7684\u5305\u542b\u7a7a\u683c\u7684\u53c2\u6570URL\u672a\u80fd\u6b63\u786e\u8f6c\u4e49\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u4ee5\u8bf1\u4f7f\u53d7\u5bb3\u8005\u5355\u51fb\u7279\u5236\u94fe\u63a5\u5e76\u901a\u8fc7 URI \u5904\u7406\u7a0b\u5e8f\u5c06\u672a\u8f6c\u4e49\u7684\u8f93\u5165\u4f20\u9012\u7ed9\u7b2c\u4e09\u65b9\u5e94\u7528\u7a0b\u5e8f\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://www.mozilla.org/security/advisories/mfsa2021-52/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-99764",
  "openTime": "2021-12-14",
  "patchDescription": "Mozilla Firefox\u662f\u7f8e\u56fdMozilla\u57fa\u91d1\u4f1a\u7684\u4e00\u6b3e\u5f00\u6e90Web\u6d4f\u89c8\u5668\u3002\r\n\r\nMozilla Firefox ESR \u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u4e3a\u5916\u90e8\u534f\u8bae\u8c03\u7528\u534f\u8bae\u5904\u7406\u7a0b\u5e8f\u65f6\uff0c\u63d0\u4f9b\u7684\u5305\u542b\u7a7a\u683c\u7684\u53c2\u6570URL\u672a\u80fd\u6b63\u786e\u8f6c\u4e49\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u4ee5\u8bf1\u4f7f\u53d7\u5bb3\u8005\u5355\u51fb\u7279\u5236\u94fe\u63a5\u5e76\u901a\u8fc7 URI \u5904\u7406\u7a0b\u5e8f\u5c06\u672a\u8f6c\u4e49\u7684\u8f93\u5165\u4f20\u9012\u7ed9\u7b2c\u4e09\u65b9\u5e94\u7528\u7a0b\u5e8f\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": "Mozilla Firefox ESR\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Mozilla Firefox \u003c95.0"
  },
  "referenceLink": "https://ubuntu.com/security/notices/USN-5186-1",
  "serverity": "\u4e2d",
  "submitTime": "2021-12-10",
  "title": "Mozilla Firefox ESR\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2021-43540 (GCVE-0-2021-43540)

Vulnerability from cvelistv5 – Published: 2021-12-08 21:20 – Updated: 2024-08-04 04:03

Summary

WebExtensions with the correct permissions were able to create and install ServiceWorkers for third-party websites that would not have been uninstalled with the extension. This vulnerability affects Firefox < 95.

Severity

No CVSS data available.

CWE

WebExtensions could have installed persistent ServiceWorkers

Assigner

mozilla mitre root

References

3 references

URL	Tags
https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_MISC
https://bugzilla.mozilla.org/show_bug.cgi?id=1636629	x_refsource_MISC
https://security.gentoo.org/glsa/202202-03	vendor-advisoryx_refsource_GENTOO

Impacted products

1 product

Vendor	Product	Version
Mozilla	Firefox	Affected: unspecified , < 95 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T04:03:06.919Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.mozilla.org/security/advisories/mfsa2021-52/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1636629"
          },
          {
            "name": "GLSA-202202-03",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202202-03"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Firefox",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThan": "95",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "WebExtensions with the correct permissions were able to create and install ServiceWorkers for third-party websites that would not have been uninstalled with the extension. This vulnerability affects Firefox \u003c 95."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "WebExtensions could have installed persistent ServiceWorkers",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-02-22T00:06:15.000Z",
        "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
        "shortName": "mozilla"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.mozilla.org/security/advisories/mfsa2021-52/"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1636629"
        },
        {
          "name": "GLSA-202202-03",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/202202-03"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@mozilla.org",
          "ID": "CVE-2021-43540",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Firefox",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "95"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Mozilla"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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              "value": "WebExtensions with the correct permissions were able to create and install ServiceWorkers for third-party websites that would not have been uninstalled with the extension. This vulnerability affects Firefox \u003c 95."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "WebExtensions could have installed persistent ServiceWorkers"
                }
              ]
            }
          ]
        },
        "references": {
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            {
              "name": "https://www.mozilla.org/security/advisories/mfsa2021-52/",
              "refsource": "MISC",
              "url": "https://www.mozilla.org/security/advisories/mfsa2021-52/"
            },
            {
              "name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1636629",
              "refsource": "MISC",
              "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1636629"
            },
            {
              "name": "GLSA-202202-03",
              "refsource": "GENTOO",
              "url": "https://security.gentoo.org/glsa/202202-03"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
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    "assignerShortName": "mozilla",
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    "datePublished": "2021-12-08T21:20:08.000Z",
    "dateReserved": "2021-11-08T00:00:00.000Z",
    "dateUpdated": "2024-08-04T04:03:06.919Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.1"
}

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.

Detection rules are retrieved from Rulezet.

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.

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CNVD-2021-99764

CVE-2021-43540 (GCVE-0-2021-43540)

Tags

Sightings

Nomenclature

Related by attack behaviour