Vulnerability-Lookup

CNVD-2020-16693

Vulnerability from cnvd - Published: 2020-03-11

Title

Mozilla Firefox信息泄露漏洞（CNVD-2020-16693）

Description

Mozilla Firefox（火狐）是一个自由的、开放源码的浏览器，适用于Windows、Linux及MacOSX平台。 Mozilla Firefox 74之前版本存在信息泄露漏洞。攻击者可通过具有all-urls权限的Web扩展程序在将模式设置为'same-origin'的条件下发出fetch（获取）请求利用该漏洞读取本地文件。

Severity

低

Patch Name

Mozilla Firefox信息泄露漏洞（CNVD-2020-16693）的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://www.mozilla.org/en-US/security/advisories/mfsa2020-08/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-6809

Impacted products

Name
Mozilla Firefox <74

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-6809",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-6809"
    }
  },
  "description": "Mozilla Firefox\uff08\u706b\u72d0\uff09\u662f\u4e00\u4e2a\u81ea\u7531\u7684\u3001\u5f00\u653e\u6e90\u7801\u7684\u6d4f\u89c8\u5668\uff0c\u9002\u7528\u4e8eWindows\u3001Linux\u53caMacOSX\u5e73\u53f0\u3002\n\nMozilla Firefox 74\u4e4b\u524d\u7248\u672c\u5b58\u5728\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5177\u6709all-urls\u6743\u9650\u7684Web\u6269\u5c55\u7a0b\u5e8f\u5728\u5c06\u6a21\u5f0f\u8bbe\u7f6e\u4e3a\u0027same-origin\u0027\u7684\u6761\u4ef6\u4e0b\u53d1\u51fafetch\uff08\u83b7\u53d6\uff09\u8bf7\u6c42\u5229\u7528\u8be5\u6f0f\u6d1e\u8bfb\u53d6\u672c\u5730\u6587\u4ef6\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2020-08/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-16693",
  "openTime": "2020-03-11",
  "patchDescription": "Mozilla Firefox\uff08\u706b\u72d0\uff09\u662f\u4e00\u4e2a\u81ea\u7531\u7684\u3001\u5f00\u653e\u6e90\u7801\u7684\u6d4f\u89c8\u5668\uff0c\u9002\u7528\u4e8eWindows\u3001Linux\u53caMacOSX\u5e73\u53f0\u3002\r\n\r\nMozilla Firefox 74\u4e4b\u524d\u7248\u672c\u5b58\u5728\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5177\u6709all-urls\u6743\u9650\u7684Web\u6269\u5c55\u7a0b\u5e8f\u5728\u5c06\u6a21\u5f0f\u8bbe\u7f6e\u4e3a\u0027same-origin\u0027\u7684\u6761\u4ef6\u4e0b\u53d1\u51fafetch\uff08\u83b7\u53d6\uff09\u8bf7\u6c42\u5229\u7528\u8be5\u6f0f\u6d1e\u8bfb\u53d6\u672c\u5730\u6587\u4ef6\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\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff08CNVD-2020-16693\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Mozilla Firefox \u003c74"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-6809",
  "serverity": "\u4f4e",
  "submitTime": "2020-03-11",
  "title": "Mozilla Firefox\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff08CNVD-2020-16693\uff09"
}

CVE-2020-6809 (GCVE-0-2020-6809)

Vulnerability from cvelistv5 – Published: 2020-03-25 21:13 – Updated: 2024-08-04 09:11

Summary

When a Web Extension had the all-urls permission and made a fetch request with a mode set to 'same-origin', it was possible for the Web Extension to read local files. This vulnerability affects Firefox < 74.

Severity

No CVSS data available.

CWE

Web Extensions with the all-urls permission could access local files

Assigner

mozilla mitre root

References

2 references

URL	Tags
https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_MISC
https://bugzilla.mozilla.org/show_bug.cgi?id=1420296	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Mozilla	Firefox	Affected: unspecified , < 74 (custom)

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-04T09:11:05.119Z",
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            ],
            "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1420296"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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        {
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          "vendor": "Mozilla",
          "versions": [
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              "status": "affected",
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      ],
      "x_legacyV4Record": {
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    "state": "PUBLISHED"
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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.

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.