cnvd-2017-05227
Vulnerability from cnvd
Title
ProFTPD本地安全绕过漏洞
Description
ProFTPD是一个Unix平台上或是类Unix平台上（如Linux, FreeBSD等）的FTP服务器程序。 ProFTPD 1.3.5e之前和1.3.6rc5之前的1.3.6版本存在本地安全绕过漏洞，本地攻击者可以绕过AllowChrootSymlinks控件，用一个符号链接替换一个路径组件（而不是最后一个）。
Severity
低
Patch Name
ProFTPD本地安全绕过漏洞的补丁
Patch Description
ProFTPD是一个Unix平台上或是类Unix平台上（如Linux, FreeBSD等）的FTP服务器程序。 ProFTPD 1.3.5e之前和1.3.6rc5之前的1.3.6版本存在本地安全绕过漏洞，本地攻击者可以绕过AllowChrootSymlinks控件，用一个符号链接替换一个路径组件（而不是最后一个）。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://github.com/proftpd/proftpd/commit/ecff21e0d0e84f35c299ef91d7fda088e516d4ed

Reference
http://bugs.proftpd.org/show_bug.cgi?id=4295 http://www.securityfocus.com/bid/97409
Impacted products
Name
['Proftpd Proftpd <1.3.5e', 'Proftpd Proftpd 1.3.6，<1.3.6rc5']
Show details on source website

To clipboard 

{
  "bids": {
    "bid": {
      "bidNumber": "97409"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-7418",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7418"
    }
  },
  "description": "ProFTPD\u662f\u4e00\u4e2aUnix\u5e73\u53f0\u4e0a\u6216\u662f\u7c7bUnix\u5e73\u53f0\u4e0a\uff08\u5982Linux, FreeBSD\u7b49\uff09\u7684FTP\u670d\u52a1\u5668\u7a0b\u5e8f\u3002 \r\n\r\nProFTPD 1.3.5e\u4e4b\u524d\u548c1.3.6rc5\u4e4b\u524d\u76841.3.6\u7248\u672c\u5b58\u5728\u672c\u5730\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\uff0c\u672c\u5730\u653b\u51fb\u8005\u53ef\u4ee5\u7ed5\u8fc7AllowChrootSymlinks\u63a7\u4ef6\uff0c\u7528\u4e00\u4e2a\u7b26\u53f7\u94fe\u63a5\u66ff\u6362\u4e00\u4e2a\u8def\u5f84\u7ec4\u4ef6\uff08\u800c\u4e0d\u662f\u6700\u540e\u4e00\u4e2a\uff09\u3002",
  "discovererName": "TJ Saunders.",
  "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:\r\nhttps://github.com/proftpd/proftpd/commit/ecff21e0d0e84f35c299ef91d7fda088e516d4ed",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-05227",
  "openTime": "2017-04-24",
  "patchDescription": "ProFTPD\u662f\u4e00\u4e2aUnix\u5e73\u53f0\u4e0a\u6216\u662f\u7c7bUnix\u5e73\u53f0\u4e0a\uff08\u5982Linux, FreeBSD\u7b49\uff09\u7684FTP\u670d\u52a1\u5668\u7a0b\u5e8f\u3002 \r\n\r\nProFTPD 1.3.5e\u4e4b\u524d\u548c1.3.6rc5\u4e4b\u524d\u76841.3.6\u7248\u672c\u5b58\u5728\u672c\u5730\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\uff0c\u672c\u5730\u653b\u51fb\u8005\u53ef\u4ee5\u7ed5\u8fc7AllowChrootSymlinks\u63a7\u4ef6\uff0c\u7528\u4e00\u4e2a\u7b26\u53f7\u94fe\u63a5\u66ff\u6362\u4e00\u4e2a\u8def\u5f84\u7ec4\u4ef6\uff08\u800c\u4e0d\u662f\u6700\u540e\u4e00\u4e2a\uff09\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": "ProFTPD\u672c\u5730\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Proftpd Proftpd \u003c1.3.5e",
      "Proftpd Proftpd 1.3.6\uff0c\u003c1.3.6rc5"
    ]
  },
  "referenceLink": "http://bugs.proftpd.org/show_bug.cgi?id=4295\r\nhttp://www.securityfocus.com/bid/97409",
  "serverity": "\u4f4e",
  "submitTime": "2017-04-06",
  "title": "ProFTPD\u672c\u5730\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e"
}


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