CNVD-2016-12882

Vulnerability from cnvd - Published: 2016-12-23
VLAI
Title
cURL/libcURL缓冲区溢出漏洞
Description
Haxx curl和libcurl都是瑞典Haxx公司的产品。curl是一套利用URL语法在命令行下工作的文件传输工具。libcurl是一个免费、开源的客户端URL传输库。 Haxx curl和libcurl 7.1版本至7.51.0版本中存在缓冲区溢出漏洞，该漏洞源于程序未能充分地对用户提交的数据执行边界检查，导致程序复制数据的大小超出了分配的内存缓冲区空间。攻击者可利用该漏洞在受影响程序的上下文中执行任意代码。
Severity
中
Patch Name
cURL/libcURL缓冲区溢出漏洞的补丁
Patch Description
Haxx curl和libcurl都是瑞典Haxx公司的产品。curl是一套利用URL语法在命令行下工作的文件传输工具。libcurl是一个免费、开源的客户端URL传输库。 Haxx curl和libcurl 7.1版本至7.51.0版本中存在缓冲区溢出漏洞，该漏洞源于程序未能充分地对用户提交的数据执行边界检查，导致程序复制数据的大小超出了分配的内存缓冲区空间。攻击者可利用该漏洞在受影响程序的上下文中执行任意代码。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： https://curl.haxx.se/docs/adv_20161221A.html

Reference
http://www.securityfocus.com/bid/95019
Impacted products
Name
Haxx cURL/libcURL >7.1，<=7.51.0
Show details on source website
To clipboard 

{
  "bids": {
    "bid": {
      "bidNumber": "95019"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-9586"
    }
  },
  "description": "Haxx curl\u548clibcurl\u90fd\u662f\u745e\u5178Haxx\u516c\u53f8\u7684\u4ea7\u54c1\u3002curl\u662f\u4e00\u5957\u5229\u7528URL\u8bed\u6cd5\u5728\u547d\u4ee4\u884c\u4e0b\u5de5\u4f5c\u7684\u6587\u4ef6\u4f20\u8f93\u5de5\u5177\u3002libcurl\u662f\u4e00\u4e2a\u514d\u8d39\u3001\u5f00\u6e90\u7684\u5ba2\u6237\u7aefURL\u4f20\u8f93\u5e93\u3002\r\n\r\nHaxx curl\u548clibcurl 7.1\u7248\u672c\u81f37.51.0\u7248\u672c\u4e2d\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u5145\u5206\u5730\u5bf9\u7528\u6237\u63d0\u4ea4\u7684\u6570\u636e\u6267\u884c\u8fb9\u754c\u68c0\u67e5\uff0c\u5bfc\u81f4\u7a0b\u5e8f\u590d\u5236\u6570\u636e\u7684\u5927\u5c0f\u8d85\u51fa\u4e86\u5206\u914d\u7684\u5185\u5b58\u7f13\u51b2\u533a\u7a7a\u95f4\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u53d7\u5f71\u54cd\u7a0b\u5e8f\u7684\u4e0a\u4e0b\u6587\u4e2d\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
  "discovererName": "Daniel Stenberg",
  "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\nhttps://curl.haxx.se/docs/adv_20161221A.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-12882",
  "openTime": "2016-12-23",
  "patchDescription": "Haxx curl\u548clibcurl\u90fd\u662f\u745e\u5178Haxx\u516c\u53f8\u7684\u4ea7\u54c1\u3002curl\u662f\u4e00\u5957\u5229\u7528URL\u8bed\u6cd5\u5728\u547d\u4ee4\u884c\u4e0b\u5de5\u4f5c\u7684\u6587\u4ef6\u4f20\u8f93\u5de5\u5177\u3002libcurl\u662f\u4e00\u4e2a\u514d\u8d39\u3001\u5f00\u6e90\u7684\u5ba2\u6237\u7aefURL\u4f20\u8f93\u5e93\u3002\r\n\r\nHaxx curl\u548clibcurl 7.1\u7248\u672c\u81f37.51.0\u7248\u672c\u4e2d\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u5145\u5206\u5730\u5bf9\u7528\u6237\u63d0\u4ea4\u7684\u6570\u636e\u6267\u884c\u8fb9\u754c\u68c0\u67e5\uff0c\u5bfc\u81f4\u7a0b\u5e8f\u590d\u5236\u6570\u636e\u7684\u5927\u5c0f\u8d85\u51fa\u4e86\u5206\u914d\u7684\u5185\u5b58\u7f13\u51b2\u533a\u7a7a\u95f4\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u53d7\u5f71\u54cd\u7a0b\u5e8f\u7684\u4e0a\u4e0b\u6587\u4e2d\u6267\u884c\u4efb\u610f\u4ee3\u7801\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": "cURL/libcURL\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Haxx cURL/libcURL \u003e7.1\uff0c\u003c=7.51.0"
  },
  "referenceLink": "http://www.securityfocus.com/bid/95019",
  "serverity": "\u4e2d",
  "submitTime": "2016-12-22",
  "title": "cURL/libcURL\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}



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Sightings

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Nomenclature

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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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