cnvd-2017-32420
Vulnerability from cnvd
Title
Libidn2 'decode_digit'函数整数溢出漏洞
Description
Libidn2是一个通过IETF国际域名（IDN）实施字符串预处理、Punycode和IDNA规格定义的包。 Libidn2 2.0.4之前的版本中的puny_decode.c文件的'decode_digit'函数存在整数溢出漏洞。远程攻击者可利用该漏洞造成拒绝服务。
Severity
高
Patch Name
Libidn2 'decode_digit'函数整数溢出漏洞的补丁
Patch Description
Libidn2是一个通过IETF国际域名（IDN）实施字符串预处理、Punycode和IDNA规格定义的包。 Libidn2 2.0.4之前的版本中的puny_decode.c文件的'decode_digit'函数存在整数溢出漏洞。远程攻击者可利用该漏洞造成拒绝服务。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

厂商已发布了漏洞修复程序，请及时关注更新： https://gitlab.com/libidn/libidn2/blob/master/NEWS

Reference
https://gitlab.com/libidn/libidn2/blob/master/NEWS
Impacted products
Name
Libidn2 Libidn2 <2.0.4
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-14062"
    }
  },
  "description": "Libidn2\u662f\u4e00\u4e2a\u901a\u8fc7IETF\u56fd\u9645\u57df\u540d\uff08IDN\uff09\u5b9e\u65bd\u5b57\u7b26\u4e32\u9884\u5904\u7406\u3001Punycode\u548cIDNA\u89c4\u683c\u5b9a\u4e49\u7684\u5305\u3002\r\n\r\nLibidn2 2.0.4\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684puny_decode.c\u6587\u4ef6\u7684\u0027decode_digit\u0027\u51fd\u6570\u5b58\u5728\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "Tim R\u00fchsen",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://gitlab.com/libidn/libidn2/blob/master/NEWS",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-32420",
  "openTime": "2017-11-02",
  "patchDescription": "Libidn2\u662f\u4e00\u4e2a\u901a\u8fc7IETF\u56fd\u9645\u57df\u540d\uff08IDN\uff09\u5b9e\u65bd\u5b57\u7b26\u4e32\u9884\u5904\u7406\u3001Punycode\u548cIDNA\u89c4\u683c\u5b9a\u4e49\u7684\u5305\u3002\r\n\r\nLibidn2 2.0.4\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684puny_decode.c\u6587\u4ef6\u7684\u0027decode_digit\u0027\u51fd\u6570\u5b58\u5728\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\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": "Libidn2 \u0027decode_digit\u0027\u51fd\u6570\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Libidn2 Libidn2 \u003c2.0.4"
  },
  "referenceLink": "https://gitlab.com/libidn/libidn2/blob/master/NEWS",
  "serverity": "\u9ad8",
  "submitTime": "2017-09-08",
  "title": "Libidn2 \u0027decode_digit\u0027\u51fd\u6570\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e"
}


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