CNVD-2016-00907

Vulnerability from cnvd - Published: 2016-02-15
VLAI
Title
Mozilla Network Security Services安全机制绕过漏洞
Description
Mozilla Firefox是美国Mozilla基金会开发的一款开源Web浏览器。Mozilla Network Security Services（NSS）是一个函数库（网络安全服务库），它可跨平台提供SSL、S/MIME和其他Internet安全标准支持。 Mozilla Firefox 44.0之前版本中使用的Mozilla NSS 3.21之前版本中的lib/freebl/mpi/mpi.c文件中的‘s_mp_div’函数存在安全漏洞，该漏洞源于‘mp_div’和‘mp_exptmod’函数的计算产生错误的结果。远程攻击者可利用该漏洞破坏加密保护机制。
Severity
中
Patch Name
Mozilla Network Security Services安全机制绕过漏洞的补丁
Patch Description
Mozilla Firefox是美国Mozilla基金会开发的一款开源Web浏览器。Mozilla Network Security Services（NSS）是一个函数库（网络安全服务库），它可跨平台提供SSL、S/MIME和其他Internet安全标准支持。 Mozilla Firefox 44.0之前版本中使用的Mozilla NSS 3.21之前版本中的lib/freebl/mpi/mpi.c文件中的‘s_mp_div’函数存在安全漏洞，该漏洞源于‘mp_div’和‘mp_exptmod’函数的计算产生错误的结果。远程攻击者可利用该漏洞破坏加密保护机制。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

目前厂商已经发布了升级补丁以修复此安全问题，补丁获取链接： http://www.mozilla.org/security/announce/2016/mfsa2016-07.html

Reference
https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.21_release_notes https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-1938
Impacted products
Name
Mozilla Firefox <44.0
Show details on source website
To clipboard 

{
  "bids": {
    "bid": {
      "bidNumber": "81955"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-1938"
    }
  },
  "description": "Mozilla Firefox\u662f\u7f8e\u56fdMozilla\u57fa\u91d1\u4f1a\u5f00\u53d1\u7684\u4e00\u6b3e\u5f00\u6e90Web\u6d4f\u89c8\u5668\u3002Mozilla Network Security Services\uff08NSS\uff09\u662f\u4e00\u4e2a\u51fd\u6570\u5e93\uff08\u7f51\u7edc\u5b89\u5168\u670d\u52a1\u5e93\uff09\uff0c\u5b83\u53ef\u8de8\u5e73\u53f0\u63d0\u4f9bSSL\u3001S/MIME\u548c\u5176\u4ed6Internet\u5b89\u5168\u6807\u51c6\u652f\u6301\u3002\r\n\r\nMozilla Firefox 44.0\u4e4b\u524d\u7248\u672c\u4e2d\u4f7f\u7528\u7684Mozilla NSS 3.21\u4e4b\u524d\u7248\u672c\u4e2d\u7684lib/freebl/mpi/mpi.c\u6587\u4ef6\u4e2d\u7684\u2018s_mp_div\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u2018mp_div\u2019\u548c\u2018mp_exptmod\u2019\u51fd\u6570\u7684\u8ba1\u7b97\u4ea7\u751f\u9519\u8bef\u7684\u7ed3\u679c\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7834\u574f\u52a0\u5bc6\u4fdd\u62a4\u673a\u5236\u3002",
  "discovererName": "Hanno B\u0026ouml;ck",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttp://www.mozilla.org/security/announce/2016/mfsa2016-07.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-00907",
  "openTime": "2016-02-15",
  "patchDescription": "Mozilla Firefox\u662f\u7f8e\u56fdMozilla\u57fa\u91d1\u4f1a\u5f00\u53d1\u7684\u4e00\u6b3e\u5f00\u6e90Web\u6d4f\u89c8\u5668\u3002Mozilla Network Security Services\uff08NSS\uff09\u662f\u4e00\u4e2a\u51fd\u6570\u5e93\uff08\u7f51\u7edc\u5b89\u5168\u670d\u52a1\u5e93\uff09\uff0c\u5b83\u53ef\u8de8\u5e73\u53f0\u63d0\u4f9bSSL\u3001S/MIME\u548c\u5176\u4ed6Internet\u5b89\u5168\u6807\u51c6\u652f\u6301\u3002\r\n\r\nMozilla Firefox 44.0\u4e4b\u524d\u7248\u672c\u4e2d\u4f7f\u7528\u7684Mozilla NSS 3.21\u4e4b\u524d\u7248\u672c\u4e2d\u7684lib/freebl/mpi/mpi.c\u6587\u4ef6\u4e2d\u7684\u2018s_mp_div\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u2018mp_div\u2019\u548c\u2018mp_exptmod\u2019\u51fd\u6570\u7684\u8ba1\u7b97\u4ea7\u751f\u9519\u8bef\u7684\u7ed3\u679c\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7834\u574f\u52a0\u5bc6\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 Network Security Services\u5b89\u5168\u673a\u5236\u7ed5\u8fc7\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Mozilla Firefox \u003c44.0"
  },
  "referenceLink": "https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.21_release_notes\r\nhttps://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-1938",
  "serverity": "\u4e2d",
  "submitTime": "2016-02-02",
  "title": "Mozilla Network Security Services\u5b89\u5168\u673a\u5236\u7ed5\u8fc7\u6f0f\u6d1e"
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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