cnvd-2015-04454
Vulnerability from cnvd

Title: OpenSSL中间人攻击漏洞（CNVD-2015-04454）

Description:

OpenSSL是一个开源的能够实现安全套接层和安全传输层协议的通用加密库，它支持多种加密算法，包括对称密码、哈希算法、安全散列算法等。

OpenSSL的crypto/x509/x509_vfy.c文件中的‘X509_verify_cert’函数存在安全漏洞，证书验证的逻辑过程中未能正确验证新的且不受信任证书造成的，允许攻击者可以绕过证书警告，使用无效证书进行欺骗，进行信息截取攻击。

Severity: 中

Patch Name: OpenSSL中间人攻击漏洞（CNVD-2015-04454）的补丁

Patch Description:

OpenSSL是一个开源的能够实现安全套接层和安全传输层协议的通用加密库，它支持多种加密算法，包括对称密码、哈希算法、安全散列算法等。OpenSSL的crypto/x509/x509_vfy.c文件中的‘X509_verify_cert’函数存在安全漏洞，证书验证的逻辑过程中未能正确验证新的且不受信任证书造成的，允许攻击者可以绕过证书警告，使用无效证书进行欺骗，进行信息截取攻击。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:

用户可参考如下厂商提供的安全补丁以修复该漏洞： https://git.openssl.org/?p=openssl.git;a=commit;h=9a0db453ba017ebcaccbee933ee6511a9ae4d1c8

Reference: http://openssl.org/news/secadv_20150709.txt

Impacted products
Name
['OpenSSL OpenSSL 1.0.2c', 'OpenSSL OpenSSL 1.0.2b', 'OpenSSL OpenSSL 1.0.1n', 'OpenSSL OpenSSL 1.0.1o']
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{
  "bids": {
    "bid": {
      "bidNumber": "75652"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-1793"
    }
  },
  "description": "OpenSSL\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u80fd\u591f\u5b9e\u73b0\u5b89\u5168\u5957\u63a5\u5c42\u548c\u5b89\u5168\u4f20\u8f93\u5c42\u534f\u8bae\u7684\u901a\u7528\u52a0\u5bc6\u5e93\uff0c\u5b83\u652f\u6301\u591a\u79cd\u52a0\u5bc6\u7b97\u6cd5\uff0c\u5305\u62ec\u5bf9\u79f0\u5bc6\u7801\u3001\u54c8\u5e0c\u7b97\u6cd5\u3001\u5b89\u5168\u6563\u5217\u7b97\u6cd5\u7b49\u3002\r\n\r\nOpenSSL\u7684crypto/x509/x509_vfy.c\u6587\u4ef6\u4e2d\u7684\u2018X509_verify_cert\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8bc1\u4e66\u9a8c\u8bc1\u7684\u903b\u8f91\u8fc7\u7a0b\u4e2d\u672a\u80fd\u6b63\u786e\u9a8c\u8bc1\u65b0\u7684\u4e14\u4e0d\u53d7\u4fe1\u4efb\u8bc1\u4e66\u9020\u6210\u7684\uff0c\u5141\u8bb8\u653b\u51fb\u8005\u53ef\u4ee5\u7ed5\u8fc7\u8bc1\u4e66\u8b66\u544a\uff0c\u4f7f\u7528\u65e0\u6548\u8bc1\u4e66\u8fdb\u884c\u6b3a\u9a97\uff0c\u8fdb\u884c\u4fe1\u606f\u622a\u53d6\u653b\u51fb\u3002",
  "discovererName": "Adam Langley of Google and David Benjamin of BoringSSL.",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttps://git.openssl.org/?p=openssl.git;a=commit;h=9a0db453ba017ebcaccbee933ee6511a9ae4d1c8",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-04454",
  "openTime": "2015-07-14",
  "patchDescription": "OpenSSL\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u80fd\u591f\u5b9e\u73b0\u5b89\u5168\u5957\u63a5\u5c42\u548c\u5b89\u5168\u4f20\u8f93\u5c42\u534f\u8bae\u7684\u901a\u7528\u52a0\u5bc6\u5e93\uff0c\u5b83\u652f\u6301\u591a\u79cd\u52a0\u5bc6\u7b97\u6cd5\uff0c\u5305\u62ec\u5bf9\u79f0\u5bc6\u7801\u3001\u54c8\u5e0c\u7b97\u6cd5\u3001\u5b89\u5168\u6563\u5217\u7b97\u6cd5\u7b49\u3002OpenSSL\u7684crypto/x509/x509_vfy.c\u6587\u4ef6\u4e2d\u7684\u2018X509_verify_cert\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8bc1\u4e66\u9a8c\u8bc1\u7684\u903b\u8f91\u8fc7\u7a0b\u4e2d\u672a\u80fd\u6b63\u786e\u9a8c\u8bc1\u65b0\u7684\u4e14\u4e0d\u53d7\u4fe1\u4efb\u8bc1\u4e66\u9020\u6210\u7684\uff0c\u5141\u8bb8\u653b\u51fb\u8005\u53ef\u4ee5\u7ed5\u8fc7\u8bc1\u4e66\u8b66\u544a\uff0c\u4f7f\u7528\u65e0\u6548\u8bc1\u4e66\u8fdb\u884c\u6b3a\u9a97\uff0c\u8fdb\u884c\u4fe1\u606f\u622a\u53d6\u653b\u51fb\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\u4e2d\u95f4\u4eba\u653b\u51fb\u6f0f\u6d1e\uff08CNVD-2015-04454\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "OpenSSL  OpenSSL 1.0.2c",
      "OpenSSL  OpenSSL 1.0.2b",
      "OpenSSL  OpenSSL 1.0.1n",
      "OpenSSL  OpenSSL 1.0.1o"
    ]
  },
  "referenceLink": "http://openssl.org/news/secadv_20150709.txt",
  "serverity": "\u4e2d",
  "submitTime": "2015-07-12",
  "title": "OpenSSL\u4e2d\u95f4\u4eba\u653b\u51fb\u6f0f\u6d1e\uff08CNVD-2015-04454\uff09"
}


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