cnvd-2016-03324
Vulnerability from cnvd
Title
Botan降级漏洞
Description
Botan是一个C++的加密算法库，它支持AES、DES、SHA-1、RSA、DSA和Diffie-Hellman等多种算法。 Botan 1.11.29之前1.11.x版本中存在降级漏洞，该漏洞源于程序未能对签名算法和ECC椭圆曲线算法强制执行TLS策略。远程攻击者可利用该漏洞实施降级攻击。
Severity
中
Patch Name
Botan降级漏洞的补丁
Patch Description
Botan是一个C++的加密算法库，它支持AES、DES、SHA-1、RSA、DSA和Diffie-Hellman等多种算法。 Botan 1.11.29之前1.11.x版本中存在降级漏洞，该漏洞源于程序未能对签名算法和ECC椭圆曲线算法强制执行TLS策略。远程攻击者可利用该漏洞实施降级攻击。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

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://botan.randombit.net/security.html

Reference
http://botan.randombit.net/security.htm http://marc.info/?l=botan-devel&m=145852488622892&w=2 https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-2850
Impacted products
Name
Botan Botan 1.11.x<1.11.29
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-2850"
    }
  },
  "description": "Botan\u662f\u4e00\u4e2aC++\u7684\u52a0\u5bc6\u7b97\u6cd5\u5e93\uff0c\u5b83\u652f\u6301AES\u3001DES\u3001SHA-1\u3001RSA\u3001DSA\u548cDiffie-Hellman\u7b49\u591a\u79cd\u7b97\u6cd5\u3002\r\n\r\nBotan 1.11.29\u4e4b\u524d1.11.x\u7248\u672c\u4e2d\u5b58\u5728\u964d\u7ea7\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u5bf9\u7b7e\u540d\u7b97\u6cd5\u548cECC\u692d\u5706\u66f2\u7ebf\u7b97\u6cd5\u5f3a\u5236\u6267\u884cTLS\u7b56\u7565\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5b9e\u65bd\u964d\u7ea7\u653b\u51fb\u3002",
  "discovererName": "unknown",
  "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://botan.randombit.net/security.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-03324",
  "openTime": "2016-05-19",
  "patchDescription": "Botan\u662f\u4e00\u4e2aC++\u7684\u52a0\u5bc6\u7b97\u6cd5\u5e93\uff0c\u5b83\u652f\u6301AES\u3001DES\u3001SHA-1\u3001RSA\u3001DSA\u548cDiffie-Hellman\u7b49\u591a\u79cd\u7b97\u6cd5\u3002\r\n\r\nBotan 1.11.29\u4e4b\u524d1.11.x\u7248\u672c\u4e2d\u5b58\u5728\u964d\u7ea7\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u5bf9\u7b7e\u540d\u7b97\u6cd5\u548cECC\u692d\u5706\u66f2\u7ebf\u7b97\u6cd5\u5f3a\u5236\u6267\u884cTLS\u7b56\u7565\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5b9e\u65bd\u964d\u7ea7\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": "Botan\u964d\u7ea7\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Botan Botan 1.11.x\u003c1.11.29"
  },
  "referenceLink": "http://botan.randombit.net/security.htm\r\nhttp://marc.info/?l=botan-devel\u0026amp;amp;m=145852488622892\u0026amp;amp;w=2\r\nhttps://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-2850",
  "serverity": "\u4e2d",
  "submitTime": "2016-05-17",
  "title": "Botan\u964d\u7ea7\u6f0f\u6d1e"
}


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