cnvd - cnvd-2017-32532

cnvd-2017-32532

Vulnerability from cnvd

Title: Mozilla Firefox信息泄露漏洞（CNVD-2017-32532）

Description:

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

Mozilla Firefox 56之前的版本中的WebExtensions存在安全漏洞，该漏洞源于WebCrypto API中的AES-GCM的实现接受了长度为0的IV。远程攻击者可利用该漏洞确定身份验证密钥。

Severity: 中

Patch Name: Mozilla Firefox信息泄露漏洞（CNVD-2017-32532）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之前的版本中的WebExtensions存在安全漏洞，该漏洞源于WebCrypto API中的AES-GCM的实现接受了长度为0的IV。远程攻击者可利用该漏洞确定身份验证密钥。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-2017-7822"
    }
  },
  "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\u7684WebExtensions\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eWebCrypto API\u4e2d\u7684AES-GCM\u7684\u5b9e\u73b0\u63a5\u53d7\u4e86\u957f\u5ea6\u4e3a0\u7684IV\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u786e\u5b9a\u8eab\u4efd\u9a8c\u8bc1\u5bc6\u94a5\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-2017-32532",
  "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\u7684WebExtensions\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eWebCrypto API\u4e2d\u7684AES-GCM\u7684\u5b9e\u73b0\u63a5\u53d7\u4e86\u957f\u5ea6\u4e3a0\u7684IV\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u786e\u5b9a\u8eab\u4efd\u9a8c\u8bc1\u5bc6\u94a5\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-2017-32532\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\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff08CNVD-2017-32532\uff09"
}

CVE-2017-7822 (GCVE-0-2017-7822)

Vulnerability from cvelistv5

Published

2018-06-11 21:00

Modified

2024-08-05 16:12

Severity ?

CWE

WebCrypto allows AES-GCM with 0-length IV

Summary

The AES-GCM implementation in WebCrypto API accepts 0-length IV when it should require a length of 1 according to the NIST Special Publication 800-38D specification. This might allow for the authentication key to be determined in some instances. This vulnerability affects Firefox < 56.

References

▼	URL	Tags
	http://www.securitytracker.com/id/1039465	vdb-entry, x_refsource_SECTRACK
	https://www.mozilla.org/security/advisories/mfsa2017-21/	x_refsource_CONFIRM
	https://bugzilla.mozilla.org/show_bug.cgi?id=1368859	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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        }
      ],
      "problemTypes": [
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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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