CNVD-2015-03809

Vulnerability from cnvd - Published: 2015-06-17
VLAI
Title
OpenSSL BN_GF2m_mod_inv函数拒绝服务漏洞
Description
OpenSSL是一种开放源码的SSL实现，用来实现网络通信的高强度加密，现在被广泛地用于各种网络应用程序中。 OpenSSL的crypto/bn/bn_gf2m.c文件中的‘BN_GF2m_mod_inv’函数存在安全漏洞，由于程序未能正确处理ECParameters结构体。允许远程攻击者利用该漏洞可通过使用Elliptic Curve算法的会话造成拒绝服务（无限循环）。
Severity
中
Patch Name
OpenSSL BN_GF2m_mod_inv函数拒绝服务漏洞的补丁
Patch Description
OpenSSL是一种开放源码的SSL实现，用来实现网络通信的高强度加密，现在被广泛地用于各种网络应用程序中。 OpenSSL的crypto/bn/bn_gf2m.c文件中的‘BN_GF2m_mod_inv’函数存在安全漏洞，由于程序未能正确处理ECParameters结构体。允许远程攻击者利用该漏洞可通过使用Elliptic Curve算法的会话造成拒绝服务（无限循环）。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这个安全问题，请到厂商的主页下载： https://www.openssl.org/news/secadv_20150611.txt

Reference
https://www.openssl.org/news/secadv_20150611.txt https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-1788
Impacted products
Name
['OpenSSL OpenSSL 1.0.1(<1.0.1n)', 'OpenSSL OpenSSL 1.0.2(<1.0.2b)', 'OpenSSL OpenSSL 0.9.8s', 'OpenSSL OpenSSL 1.0.0(<1.0.0e)']
Show details on source website
To clipboard 

{
  "bids": {
    "bid": {
      "bidNumber": "75158"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-1788"
    }
  },
  "description": "OpenSSL\u662f\u4e00\u79cd\u5f00\u653e\u6e90\u7801\u7684SSL\u5b9e\u73b0\uff0c\u7528\u6765\u5b9e\u73b0\u7f51\u7edc\u901a\u4fe1\u7684\u9ad8\u5f3a\u5ea6\u52a0\u5bc6\uff0c\u73b0\u5728\u88ab\u5e7f\u6cdb\u5730\u7528\u4e8e\u5404\u79cd\u7f51\u7edc\u5e94\u7528\u7a0b\u5e8f\u4e2d\u3002 \r\n\r\nOpenSSL\u7684crypto/bn/bn_gf2m.c\u6587\u4ef6\u4e2d\u7684\u2018BN_GF2m_mod_inv\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u7531\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u5904\u7406ECParameters\u7ed3\u6784\u4f53\u3002\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u5229\u7528\u8be5\u6f0f\u6d1e\u53ef\u901a\u8fc7\u4f7f\u7528Elliptic Curve\u7b97\u6cd5\u7684\u4f1a\u8bdd\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u65e0\u9650\u5faa\u73af\uff09\u3002",
  "discovererName": "unknown",
  "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 https://www.openssl.org/news/secadv_20150611.txt",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-03809",
  "openTime": "2015-06-17",
  "patchDescription": "OpenSSL\u662f\u4e00\u79cd\u5f00\u653e\u6e90\u7801\u7684SSL\u5b9e\u73b0\uff0c\u7528\u6765\u5b9e\u73b0\u7f51\u7edc\u901a\u4fe1\u7684\u9ad8\u5f3a\u5ea6\u52a0\u5bc6\uff0c\u73b0\u5728\u88ab\u5e7f\u6cdb\u5730\u7528\u4e8e\u5404\u79cd\u7f51\u7edc\u5e94\u7528\u7a0b\u5e8f\u4e2d\u3002 \r\n\r\nOpenSSL\u7684crypto/bn/bn_gf2m.c\u6587\u4ef6\u4e2d\u7684\u2018BN_GF2m_mod_inv\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u7531\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u5904\u7406ECParameters\u7ed3\u6784\u4f53\u3002\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u5229\u7528\u8be5\u6f0f\u6d1e\u53ef\u901a\u8fc7\u4f7f\u7528Elliptic Curve\u7b97\u6cd5\u7684\u4f1a\u8bdd\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u65e0\u9650\u5faa\u73af\uff09\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": "OpenSSL BN_GF2m_mod_inv\u51fd\u6570\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "OpenSSL  OpenSSL 1.0.1(\u003c1.0.1n)",
      "OpenSSL  OpenSSL 1.0.2(\u003c1.0.2b)",
      "OpenSSL  OpenSSL 0.9.8s",
      "OpenSSL  OpenSSL 1.0.0(\u003c1.0.0e)"
    ]
  },
  "referenceLink": "https://www.openssl.org/news/secadv_20150611.txt\r\nhttps://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-1788",
  "serverity": "\u4e2d",
  "submitTime": "2015-06-16",
  "title": "OpenSSL BN_GF2m_mod_inv\u51fd\u6570\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}



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