cnvd - cnvd-2021-04827

cnvd-2021-04827

Vulnerability from cnvd

Title: Mozilla FireFox信息泄露漏洞（CNVD-2021-04827）

Description:

Mozilla Firefox ESR是美国Mozilla基金会的Firefox(Web浏览器)的一个延长支持版本。

FireFox Windows 存在信息泄露漏洞，该漏洞源于搜索一个单一的字从地址栏导致mDNS请求被发送到本地网络搜索一个主机名组成的字符串;导致了信息泄露。目前没有详细的漏洞细节提供。

Severity: 中

Patch Name: Mozilla FireFox信息泄露漏洞（CNVD-2021-04827）的补丁

Patch Description:

Mozilla Firefox ESR是美国Mozilla基金会的Firefox(Web浏览器)的一个延长支持版本。

FireFox Windows 存在信息泄露漏洞，该漏洞源于搜索一个单一的字从地址栏导致mDNS请求被发送到本地网络搜索一个主机名组成的字符串;导致了信息泄露。目前没有详细的漏洞细节提供。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:

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/mfsa2020-51/

Reference: https://access.redhat.com/security/cve/cve-2020-26966

Impacted products

Name
['Mozilla Firefox <83', 'mozilla Thnderbird <78.5', 'Mozilla Firefox ESR <78.5']

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-26966",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-26966"
    }
  },
  "description": "Mozilla Firefox ESR\u662f\u7f8e\u56fdMozilla\u57fa\u91d1\u4f1a\u7684Firefox(Web\u6d4f\u89c8\u5668)\u7684\u4e00\u4e2a\u5ef6\u957f\u652f\u6301\u7248\u672c\u3002\n\nFireFox Windows \u5b58\u5728\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u641c\u7d22\u4e00\u4e2a\u5355\u4e00\u7684\u5b57\u4ece\u5730\u5740\u680f\u5bfc\u81f4mDNS\u8bf7\u6c42\u88ab\u53d1\u9001\u5230\u672c\u5730\u7f51\u7edc\u641c\u7d22\u4e00\u4e2a\u4e3b\u673a\u540d\u7ec4\u6210\u7684\u5b57\u7b26\u4e32;\u5bfc\u81f4\u4e86\u4fe1\u606f\u6cc4\u9732\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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/mfsa2020-51/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-04827",
  "openTime": "2021-01-21",
  "patchDescription": "Mozilla Firefox ESR\u662f\u7f8e\u56fdMozilla\u57fa\u91d1\u4f1a\u7684Firefox(Web\u6d4f\u89c8\u5668)\u7684\u4e00\u4e2a\u5ef6\u957f\u652f\u6301\u7248\u672c\u3002\r\n\r\nFireFox Windows \u5b58\u5728\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u641c\u7d22\u4e00\u4e2a\u5355\u4e00\u7684\u5b57\u4ece\u5730\u5740\u680f\u5bfc\u81f4mDNS\u8bf7\u6c42\u88ab\u53d1\u9001\u5230\u672c\u5730\u7f51\u7edc\u641c\u7d22\u4e00\u4e2a\u4e3b\u673a\u540d\u7ec4\u6210\u7684\u5b57\u7b26\u4e32;\u5bfc\u81f4\u4e86\u4fe1\u606f\u6cc4\u9732\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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-2021-04827\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Mozilla Firefox \u003c83",
      "mozilla Thnderbird \u003c78.5",
      "Mozilla Firefox ESR \u003c78.5"
    ]
  },
  "referenceLink": "https://access.redhat.com/security/cve/cve-2020-26966",
  "serverity": "\u4e2d",
  "submitTime": "2020-11-18",
  "title": "Mozilla FireFox\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff08CNVD-2021-04827\uff09"
}

CVE-2020-26966 (GCVE-0-2020-26966)

Vulnerability from cvelistv5

Published

2020-12-09 00:25

Modified

2024-08-04 16:03

Severity ?

CWE

Single-word search queries were also broadcast to local network

Summary

Searching for a single word from the address bar caused an mDNS request to be sent on the local network searching for a hostname consisting of that string; resulting in an information leak. *Note: This issue only affected Windows operating systems. Other operating systems are unaffected.*. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

References

▼	URL	Tags
	https://bugzilla.mozilla.org/show_bug.cgi?id=1663571	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2020-50/	x_refsource_CONFIRM
	https://www.mozilla.org/security/advisories/mfsa2020-52/	x_refsource_CONFIRM
	https://www.mozilla.org/security/advisories/mfsa2020-51/	x_refsource_CONFIRM

Impacted products

Vendor

Product

Version

▼

Mozilla

Firefox

Version: < 83

	Mozilla	Firefox ESR	Version: < 78.5
	Mozilla	Thunderbird	Version: < 78.5

Show details on NVD website

JSON

To clipboard

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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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