cnvd-2015-03367
Vulnerability from cnvd

Title: TLS protocol中间人攻击漏洞

Description:

TLS（Transport Layer Security，安全传输层协议）是一套用于在两个通信应用程序之间提供保密性和数据完整性的协议。

TLS协议1.2及之前版本中存在安全漏洞。当服务器启用DHE_EXPORT密码套件时，程序未能正确传递DHE_EXPORT选项。攻击者可通过重写ClientHello（使用DHE_EXPORT取代DHE），然后重写ServerHello（使用DHE取代DHE_EXPORT），利用该漏洞实施中间人攻击和cipher-downgrade攻击。

Severity: 中

Formal description:

目前没有详细解决方案提供： https://weakdh.org/

Reference: https://weakdh.org/ https://weakdh.org/imperfect-forward-secrecy.pdf

Impacted products
Name
['Mozilla Firefox', 'Apple Safari', 'Google Chrome', 'Microsoft IE', 'Opera Opera browser']
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-4000"
    }
  },
  "description": "TLS\uff08Transport Layer Security\uff0c\u5b89\u5168\u4f20\u8f93\u5c42\u534f\u8bae\uff09\u662f\u4e00\u5957\u7528\u4e8e\u5728\u4e24\u4e2a\u901a\u4fe1\u5e94\u7528\u7a0b\u5e8f\u4e4b\u95f4\u63d0\u4f9b\u4fdd\u5bc6\u6027\u548c\u6570\u636e\u5b8c\u6574\u6027\u7684\u534f\u8bae\u3002\r\n\r\nTLS\u534f\u8bae1.2\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u5f53\u670d\u52a1\u5668\u542f\u7528DHE_EXPORT\u5bc6\u7801\u5957\u4ef6\u65f6\uff0c\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u4f20\u9012DHE_EXPORT\u9009\u9879\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u91cd\u5199ClientHello\uff08\u4f7f\u7528DHE_EXPORT\u53d6\u4ee3DHE\uff09\uff0c\u7136\u540e\u91cd\u5199ServerHello\uff08\u4f7f\u7528DHE\u53d6\u4ee3DHE_EXPORT\uff09\uff0c\u5229\u7528\u8be5\u6f0f\u6d1e\u5b9e\u65bd\u4e2d\u95f4\u4eba\u653b\u51fb\u548ccipher-downgrade\u653b\u51fb\u3002",
  "discovererName": "cve-assign@...re.org",
  "formalWay": "\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u89e3\u51b3\u65b9\u6848\u63d0\u4f9b\uff1a\r\nhttps://weakdh.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-03367",
  "openTime": "2015-05-27",
  "products": {
    "product": [
      "Mozilla Firefox",
      "Apple  Safari",
      "Google Chrome",
      "Microsoft IE",
      "Opera Opera browser"
    ]
  },
  "referenceLink": "https://weakdh.org/\r\nhttps://weakdh.org/imperfect-forward-secrecy.pdf",
  "serverity": "\u4e2d",
  "submitTime": "2015-05-21",
  "title": "TLS protocol\u4e2d\u95f4\u4eba\u653b\u51fb\u6f0f\u6d1e"
}


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