cnvd - cnvd-2017-32534

cnvd-2017-32534

Vulnerability from cnvd

Title: Mozilla Firefox安全绕过漏洞（CNVD-2017-32534）

Description:

Mozilla Firefox是美国Mozilla基金会开发的一款开源Web浏览器。

Mozilla Firefox 56之前的版本中存在安全漏洞。远程攻击者可利用该漏洞绕过Xray wrapper保护机制。

Severity: 中

Patch Name: Mozilla Firefox安全绕过漏洞（CNVD-2017-32534）的补丁

Patch Description:

Mozilla Firefox是美国Mozilla基金会开发的一款开源Web浏览器。

Mozilla Firefox 56之前的版本中存在安全漏洞。远程攻击者可利用该漏洞绕过Xray wrapper保护机制。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/mfsa2017-21/

Reference: https://www.mozilla.org/en-US/security/advisories/mfsa2017-21/ http://www.securityfocus.com/bid/101057

Impacted products

Name
Mozilla Firefox <56

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-7820"
    }
  },
  "description": "Mozilla Firefox\u662f\u7f8e\u56fdMozilla\u57fa\u91d1\u4f1a\u5f00\u53d1\u7684\u4e00\u6b3e\u5f00\u6e90Web\u6d4f\u89c8\u5668\u3002\r\n\r\nMozilla Firefox 56\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7Xray wrapper\u4fdd\u62a4\u673a\u5236\u3002",
  "discovererName": "Raphael Saniyazov, Tooru Fujisawa, Abhishek Arya, Jose Mar\u00c3\u00ada Acu\u00c3\u00b1a, Kestrel, Abdulrahman Alqabandi, Thanh Bui,Oriol Brufau, Christian Holler, Jason Kratzer, Tobias Schneider, Tyson Smith, David Keeler, Nicolas B. Pierron, Mike Hommey, Ronald Crane, Tooru",
  "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/mfsa2017-21/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-32534",
  "openTime": "2017-11-03",
  "patchDescription": "Mozilla Firefox\u662f\u7f8e\u56fdMozilla\u57fa\u91d1\u4f1a\u5f00\u53d1\u7684\u4e00\u6b3e\u5f00\u6e90Web\u6d4f\u89c8\u5668\u3002\r\n\r\nMozilla Firefox 56\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7Xray wrapper\u4fdd\u62a4\u673a\u5236\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\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\uff08CNVD-2017-32534\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Mozilla Firefox \u003c56"
  },
  "referenceLink": "https://www.mozilla.org/en-US/security/advisories/mfsa2017-21/\r\nhttp://www.securityfocus.com/bid/101057",
  "serverity": "\u4e2d",
  "submitTime": "2017-09-29",
  "title": "Mozilla Firefox\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\uff08CNVD-2017-32534\uff09"
}

CVE-2017-7820 (GCVE-0-2017-7820)

Vulnerability from cvelistv5

Published

2018-06-11 21:00

Modified

2024-08-05 16:12

Severity ?

CWE

Xray wrapper bypass with new tab and web console

Summary

The "instanceof" operator can bypass the Xray wrapper mechanism. When called on web content from the browser itself or an extension the web content can provide its own result for that operator, possibly tricking the browser or extension into mishandling the element. This vulnerability affects Firefox < 56.

References

▼	URL	Tags
	http://www.securitytracker.com/id/1039465	vdb-entry, x_refsource_SECTRACK
	https://bugzilla.mozilla.org/show_bug.cgi?id=1378207	x_refsource_CONFIRM
	https://www.mozilla.org/security/advisories/mfsa2017-21/	x_refsource_CONFIRM
	http://www.securityfocus.com/bid/101057	vdb-entry, x_refsource_BID

Impacted products

	Vendor	Product	Version
	Mozilla	Firefox	Version: unspecified < 56

Show details on NVD website

JSON

To clipboard

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        }
      ],
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      "x_legacyV4Record": {
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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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