cnvd-2015-04425
Vulnerability from cnvd

Title: Mozilla Network Security Services加密问题漏洞

Description:

Mozilla Firefox、Firefox ESR和Thunderbird都是由美国Mozilla基金会开发。Firefox是一款开源Web浏览器；Firefox ESR是Firefox的一个延长支持版本；Thunderbird是从Mozilla Application Suite中独立出来的一套电子邮件客户端软件。Mozilla Network Security Services（NSS）是一个函数库（网络安全服务库）。

多款Mozilla产品中使用的Mozilla NSS存在安全漏洞。由于程序未能正确确定TLS状态机的状态转换。允许攻击者以中间人方式攻击，并通过阻止消息来击败密码保护机制，具体表现为通过阻断服务器密钥的消息，也叫做“SMACK SKIP-TLS”的问题消除正向保密性。

Severity: 中

Patch Name: Mozilla Network Security Services安全漏洞的补丁

Patch Description:

Mozilla Firefox、Firefox ESR和Thunderbird都是由美国Mozilla基金会开发。Firefox是一款开源Web浏览器；Firefox ESR是Firefox的一个延长支持版本；Thunderbird是从Mozilla Application Suite中独立出来的一套电子邮件客户端软件。Mozilla Network Security Services（NSS）是一个函数库（网络安全服务库）。多款Mozilla产品中使用的Mozilla NSS中存在安全漏洞，该漏洞源于程序没有正确确定TLS状态机的状态转换。允许攻击者以中间人方式攻击，并通过阻止消息来击败密码保护机制，具体表现为通过阻断服务器密钥的消息，也叫做“SMACK SKIP-TLS”的问题消除正向保密性。目前，厂商已经发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description:

目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载： http://www.mozilla.org/security/announce/2015/mfsa2015-71.html

Reference: http://www.mozilla.org/security/announce/2015/mfsa2015-71.html https://smacktls.com

Impacted products
Name
['Mozilla Firefox <39.0', 'Mozilla Firefox ESR 31.x(<31.8)', 'Mozilla Thunderbird <38.1', 'Mozilla Firefox ESR 38.x(<38.1)', 'mozilla Network Security Services (NSS) <3.19']
Show details on source website

To clipboard 

{
  "bids": {
    "bid": {
      "bidNumber": "75541"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-2721"
    }
  },
  "description": "Mozilla Firefox\u3001Firefox ESR\u548cThunderbird\u90fd\u662f\u7531\u7f8e\u56fdMozilla\u57fa\u91d1\u4f1a\u5f00\u53d1\u3002Firefox\u662f\u4e00\u6b3e\u5f00\u6e90Web\u6d4f\u89c8\u5668\uff1bFirefox ESR\u662fFirefox\u7684\u4e00\u4e2a\u5ef6\u957f\u652f\u6301\u7248\u672c\uff1bThunderbird\u662f\u4eceMozilla Application Suite\u4e2d\u72ec\u7acb\u51fa\u6765\u7684\u4e00\u5957\u7535\u5b50\u90ae\u4ef6\u5ba2\u6237\u7aef\u8f6f\u4ef6\u3002Mozilla Network Security Services\uff08NSS\uff09\u662f\u4e00\u4e2a\u51fd\u6570\u5e93\uff08\u7f51\u7edc\u5b89\u5168\u670d\u52a1\u5e93\uff09\u3002\r\n\r\n\u591a\u6b3eMozilla\u4ea7\u54c1\u4e2d\u4f7f\u7528\u7684Mozilla NSS\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u7531\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u786e\u5b9aTLS\u72b6\u6001\u673a\u7684\u72b6\u6001\u8f6c\u6362\u3002\u5141\u8bb8\u653b\u51fb\u8005\u4ee5\u4e2d\u95f4\u4eba\u65b9\u5f0f\u653b\u51fb\uff0c\u5e76\u901a\u8fc7\u963b\u6b62\u6d88\u606f\u6765\u51fb\u8d25\u5bc6\u7801\u4fdd\u62a4\u673a\u5236\uff0c\u5177\u4f53\u8868\u73b0\u4e3a\u901a\u8fc7\u963b\u65ad\u670d\u52a1\u5668\u5bc6\u94a5\u7684\u6d88\u606f\uff0c\u4e5f\u53eb\u505a\u201cSMACK SKIP-TLS\u201d\u7684\u95ee\u9898\u6d88\u9664\u6b63\u5411\u4fdd\u5bc6\u6027\u3002",
  "discovererName": "Karthikeyan Bhargavan, Jonas Jenwald, David Parks, David Keeler, Ronald Crane, Looben Yan, Watson Ladd, Herre, Holger Fuhrmannek, Paul Bandha, Jann Horn and Mozilla Developers",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u8fd9\u4e2a\u5b89\u5168\u95ee\u9898\uff0c\u8bf7\u5230\u5382\u5546\u7684\u4e3b\u9875\u4e0b\u8f7d\uff1a\r\nhttp://www.mozilla.org/security/announce/2015/mfsa2015-71.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-04425",
  "openTime": "2015-07-13",
  "patchDescription": "Mozilla Firefox\u3001Firefox ESR\u548cThunderbird\u90fd\u662f\u7531\u7f8e\u56fdMozilla\u57fa\u91d1\u4f1a\u5f00\u53d1\u3002Firefox\u662f\u4e00\u6b3e\u5f00\u6e90Web\u6d4f\u89c8\u5668\uff1bFirefox ESR\u662fFirefox\u7684\u4e00\u4e2a\u5ef6\u957f\u652f\u6301\u7248\u672c\uff1bThunderbird\u662f\u4eceMozilla Application Suite\u4e2d\u72ec\u7acb\u51fa\u6765\u7684\u4e00\u5957\u7535\u5b50\u90ae\u4ef6\u5ba2\u6237\u7aef\u8f6f\u4ef6\u3002Mozilla Network Security Services\uff08NSS\uff09\u662f\u4e00\u4e2a\u51fd\u6570\u5e93\uff08\u7f51\u7edc\u5b89\u5168\u670d\u52a1\u5e93\uff09\u3002\u591a\u6b3eMozilla\u4ea7\u54c1\u4e2d\u4f7f\u7528\u7684Mozilla NSS\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u6ca1\u6709\u6b63\u786e\u786e\u5b9aTLS\u72b6\u6001\u673a\u7684\u72b6\u6001\u8f6c\u6362\u3002\u5141\u8bb8\u653b\u51fb\u8005\u4ee5\u4e2d\u95f4\u4eba\u65b9\u5f0f\u653b\u51fb\uff0c\u5e76\u901a\u8fc7\u963b\u6b62\u6d88\u606f\u6765\u51fb\u8d25\u5bc6\u7801\u4fdd\u62a4\u673a\u5236\uff0c\u5177\u4f53\u8868\u73b0\u4e3a\u901a\u8fc7\u963b\u65ad\u670d\u52a1\u5668\u5bc6\u94a5\u7684\u6d88\u606f\uff0c\u4e5f\u53eb\u505a\u201cSMACK SKIP-TLS\u201d\u7684\u95ee\u9898\u6d88\u9664\u6b63\u5411\u4fdd\u5bc6\u6027\u3002\u76ee\u524d\uff0c\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Mozilla Network Security Services\u5b89\u5168\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Mozilla Firefox \u003c39.0",
      "Mozilla Firefox ESR 31.x(\u003c31.8)",
      "Mozilla Thunderbird \u003c38.1",
      "Mozilla Firefox ESR 38.x(\u003c38.1)",
      "mozilla Network Security Services (NSS) \u003c3.19"
    ]
  },
  "referenceLink": "http://www.mozilla.org/security/announce/2015/mfsa2015-71.html\r\nhttps://smacktls.com",
  "serverity": "\u4e2d",
  "submitTime": "2015-07-09",
  "title": "Mozilla Network Security Services\u52a0\u5bc6\u95ee\u9898\u6f0f\u6d1e"
}


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