cnvd-2016-06571
Vulnerability from cnvd
Title
GNU Libgcrypt和GnuPG可预测随机数生成漏洞
Description
GNU Libgcrypt和GnuPG（GNU Privacy Guard）都是GNU计划开发的基于GnuPG代码的通用加密库。 GNU Libgcrypt 1.6.3-2+deb8u2之前的版本和GnuPG 1.4.18-7+deb8u2之前的版本中的‘mixing’函数存在可预测随机数生成漏洞，攻击者可利用该漏洞从RNG获得4640 bit数据后，轻易预测接下来的160 bit数据。
Severity
低
Patch Name
GNU Libgcrypt和GnuPG可预测随机数生成漏洞的补丁
Patch Description
GNU Libgcrypt和GnuPG（GNU Privacy Guard）都是GNU计划开发的基于GnuPG代码的通用加密库。 GNU Libgcrypt 1.6.3-2+deb8u2之前的版本和GnuPG 1.4.18-7+deb8u2之前的版本中的‘mixing’函数存在可预测随机数生成漏洞，攻击者可利用该漏洞从RNG获得4640 bit数据后，轻易预测接下来的160 bit数据。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，详情请关注厂商主页： https://gnupg.org/

Reference
https://www.debian.org/security/2016/dsa-3649 http://www.securityfocus.com/bid/92527
Impacted products
Name
['GNU libgcrypt <1.6.3-2+deb8u2', 'GNU GnuPG <1.4.18-7+deb8u2']
Show details on source website

To clipboard 

{
  "bids": {
    "bid": {
      "bidNumber": "92527"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-6313"
    }
  },
  "description": "GNU Libgcrypt\u548cGnuPG\uff08GNU Privacy Guard\uff09\u90fd\u662fGNU\u8ba1\u5212\u5f00\u53d1\u7684\u57fa\u4e8eGnuPG\u4ee3\u7801\u7684\u901a\u7528\u52a0\u5bc6\u5e93\u3002\r\n\r\nGNU Libgcrypt 1.6.3-2+deb8u2\u4e4b\u524d\u7684\u7248\u672c\u548cGnuPG 1.4.18-7+deb8u2\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684\u0026lsquo;mixing\u0026rsquo;\u51fd\u6570\u5b58\u5728\u53ef\u9884\u6d4b\u968f\u673a\u6570\u751f\u6210\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4eceRNG\u83b7\u5f974640 bit\u6570\u636e\u540e\uff0c\u8f7b\u6613\u9884\u6d4b\u63a5\u4e0b\u6765\u7684160 bit\u6570\u636e\u3002",
  "discovererName": "Felix D\u00c3\u00b6rre and Vladimir Klebanov from the Karlsruhe Institute",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttps://gnupg.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-06571",
  "openTime": "2016-08-23",
  "patchDescription": "GNU Libgcrypt\u548cGnuPG\uff08GNU Privacy Guard\uff09\u90fd\u662fGNU\u8ba1\u5212\u5f00\u53d1\u7684\u57fa\u4e8eGnuPG\u4ee3\u7801\u7684\u901a\u7528\u52a0\u5bc6\u5e93\u3002\r\n\r\nGNU Libgcrypt 1.6.3-2+deb8u2\u4e4b\u524d\u7684\u7248\u672c\u548cGnuPG 1.4.18-7+deb8u2\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684\u0026lsquo;mixing\u0026rsquo;\u51fd\u6570\u5b58\u5728\u53ef\u9884\u6d4b\u968f\u673a\u6570\u751f\u6210\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4eceRNG\u83b7\u5f974640 bit\u6570\u636e\u540e\uff0c\u8f7b\u6613\u9884\u6d4b\u63a5\u4e0b\u6765\u7684160 bit\u6570\u636e\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": "GNU Libgcrypt\u548cGnuPG\u53ef\u9884\u6d4b\u968f\u673a\u6570\u751f\u6210\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "GNU libgcrypt \u003c1.6.3-2+deb8u2",
      "GNU GnuPG \u003c1.4.18-7+deb8u2"
    ]
  },
  "referenceLink": "https://www.debian.org/security/2016/dsa-3649\r\nhttp://www.securityfocus.com/bid/92527",
  "serverity": "\u4f4e",
  "submitTime": "2016-08-23",
  "title": "GNU Libgcrypt\u548cGnuPG\u53ef\u9884\u6d4b\u968f\u673a\u6570\u751f\u6210\u6f0f\u6d1e"
}


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