cnvd - cnvd-2021-04656

cnvd-2021-04656

Vulnerability from cnvd

Title: Mozilla Firefox存在未明漏洞（CNVD-2021-04656）

Description:

Mozilla Firefox是美国Mozilla基金会的一款开源Web浏览器。

Mozilla Firefox 84之前版本中存在安全漏洞。当安装在用户设备上的恶意应用程序向Firefox for Android广播意图时，可以指定任意标头，导致滥用环境权限或会话固定等攻击。目前没有详细的漏洞细节提供。

Severity: 中

Patch Name: Mozilla Firefox存在未明漏洞（CNVD-2021-04656）的补丁

Patch Description:

Mozilla Firefox是美国Mozilla基金会的一款开源Web浏览器。

Mozilla Firefox 84之前版本中存在安全漏洞。当安装在用户设备上的恶意应用程序向Firefox for Android广播意图时，可以指定任意标头，导致滥用环境权限或会话固定等攻击。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:

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/en-US/security/advisories/mfsa2020-54/

Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-26975

Impacted products

Name
Mozilla Firefox for Android <84

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-26975",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-26975"
    }
  },
  "description": "Mozilla Firefox\u662f\u7f8e\u56fdMozilla\u57fa\u91d1\u4f1a\u7684\u4e00\u6b3e\u5f00\u6e90Web\u6d4f\u89c8\u5668\u3002\n\nMozilla Firefox 84\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u5f53\u5b89\u88c5\u5728\u7528\u6237\u8bbe\u5907\u4e0a\u7684\u6076\u610f\u5e94\u7528\u7a0b\u5e8f\u5411Firefox for Android\u5e7f\u64ad\u610f\u56fe\u65f6\uff0c\u53ef\u4ee5\u6307\u5b9a\u4efb\u610f\u6807\u5934\uff0c\u5bfc\u81f4\u6ee5\u7528\u73af\u5883\u6743\u9650\u6216\u4f1a\u8bdd\u56fa\u5b9a\u7b49\u653b\u51fb\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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/en-US/security/advisories/mfsa2020-54/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-04656",
  "openTime": "2021-01-20",
  "patchDescription": "Mozilla Firefox\u662f\u7f8e\u56fdMozilla\u57fa\u91d1\u4f1a\u7684\u4e00\u6b3e\u5f00\u6e90Web\u6d4f\u89c8\u5668\u3002\r\n\r\nMozilla Firefox 84\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u5f53\u5b89\u88c5\u5728\u7528\u6237\u8bbe\u5907\u4e0a\u7684\u6076\u610f\u5e94\u7528\u7a0b\u5e8f\u5411Firefox for Android\u5e7f\u64ad\u610f\u56fe\u65f6\uff0c\u53ef\u4ee5\u6307\u5b9a\u4efb\u610f\u6807\u5934\uff0c\u5bfc\u81f4\u6ee5\u7528\u73af\u5883\u6743\u9650\u6216\u4f1a\u8bdd\u56fa\u5b9a\u7b49\u653b\u51fb\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\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2021-04656\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Mozilla Firefox for Android \u003c84"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-26975",
  "serverity": "\u4e2d",
  "submitTime": "2021-01-13",
  "title": "Mozilla Firefox\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2021-04656\uff09"
}

CVE-2020-26975 (GCVE-0-2020-26975)

Vulnerability from cvelistv5

Published

2021-01-07 13:52

Modified

2024-08-04 16:03

Severity ?

CWE

Malicious applications on Android could have induced Firefox for Android into sending arbitrary attacker-specified headers

Summary

When a malicious application installed on the user's device broadcast an Intent to Firefox for Android, arbitrary headers could have been specified, leading to attacks such as abusing ambient authority or session fixation. This was resolved by only allowing certain safe-listed headers. *Note: This issue only affected Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 84.

References

▼	URL	Tags
	https://www.mozilla.org/security/advisories/mfsa2020-54/	x_refsource_MISC
	https://bugzilla.mozilla.org/show_bug.cgi?id=1661071	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	Mozilla	Firefox	Version: unspecified < 84

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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