cnvd-2017-36017
Vulnerability from cnvd
Title
OpenSSH设计漏洞
Description
OpenSSH（OpenBSD Secure Shell）是OpenBSD计划组所维护的一套用于安全访问远程计算机的连接工具。该工具是SSH协议的开源实现，支持对所有的传输进行加密，可有效阻止窃听、连接劫持以及其他网络级的攻击。 OpenSSH 7.6之前的版本中的sftp-server.c文件的‘process_open’函数存在安全漏洞，该漏洞源于程序在只读模式下未能正确的阻止写入操作。攻击者可利用该漏洞创建长度为零的文件。
Severity
中
Patch Name
OpenSSH设计漏洞的补丁
Patch Description
OpenSSH（OpenBSD Secure Shell）是OpenBSD计划组所维护的一套用于安全访问远程计算机的连接工具。该工具是SSH协议的开源实现，支持对所有的传输进行加密，可有效阻止窃听、连接劫持以及其他网络级的攻击。 OpenSSH 7.6之前的版本中的sftp-server.c文件的‘process_open’函数存在安全漏洞，该漏洞源于程序在只读模式下未能正确的阻止写入操作。攻击者可利用该漏洞创建长度为零的文件。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://www.openssh.com/txt/release-7.6

Reference
https://github.com/openbsd/src/commit/a6981567e8e215acc1ef690c8dbb30f2d9b00a19
Impacted products
Name
OpenSSH OpenSSH <7.6
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-15906"
    }
  },
  "description": "OpenSSH\uff08OpenBSD Secure Shell\uff09\u662fOpenBSD\u8ba1\u5212\u7ec4\u6240\u7ef4\u62a4\u7684\u4e00\u5957\u7528\u4e8e\u5b89\u5168\u8bbf\u95ee\u8fdc\u7a0b\u8ba1\u7b97\u673a\u7684\u8fde\u63a5\u5de5\u5177\u3002\u8be5\u5de5\u5177\u662fSSH\u534f\u8bae\u7684\u5f00\u6e90\u5b9e\u73b0\uff0c\u652f\u6301\u5bf9\u6240\u6709\u7684\u4f20\u8f93\u8fdb\u884c\u52a0\u5bc6\uff0c\u53ef\u6709\u6548\u963b\u6b62\u7a83\u542c\u3001\u8fde\u63a5\u52ab\u6301\u4ee5\u53ca\u5176\u4ed6\u7f51\u7edc\u7ea7\u7684\u653b\u51fb\u3002\r\n\r\nOpenSSH 7.6\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684sftp-server.c\u6587\u4ef6\u7684\u2018process_open\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u5728\u53ea\u8bfb\u6a21\u5f0f\u4e0b\u672a\u80fd\u6b63\u786e\u7684\u963b\u6b62\u5199\u5165\u64cd\u4f5c\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u521b\u5efa\u957f\u5ea6\u4e3a\u96f6\u7684\u6587\u4ef6\u3002",
  "discovererName": "OpenSS",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://www.openssh.com/txt/release-7.6",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-36017",
  "openTime": "2017-12-04",
  "patchDescription": "OpenSSH\uff08OpenBSD Secure Shell\uff09\u662fOpenBSD\u8ba1\u5212\u7ec4\u6240\u7ef4\u62a4\u7684\u4e00\u5957\u7528\u4e8e\u5b89\u5168\u8bbf\u95ee\u8fdc\u7a0b\u8ba1\u7b97\u673a\u7684\u8fde\u63a5\u5de5\u5177\u3002\u8be5\u5de5\u5177\u662fSSH\u534f\u8bae\u7684\u5f00\u6e90\u5b9e\u73b0\uff0c\u652f\u6301\u5bf9\u6240\u6709\u7684\u4f20\u8f93\u8fdb\u884c\u52a0\u5bc6\uff0c\u53ef\u6709\u6548\u963b\u6b62\u7a83\u542c\u3001\u8fde\u63a5\u52ab\u6301\u4ee5\u53ca\u5176\u4ed6\u7f51\u7edc\u7ea7\u7684\u653b\u51fb\u3002\r\n\r\nOpenSSH 7.6\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684sftp-server.c\u6587\u4ef6\u7684\u2018process_open\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u5728\u53ea\u8bfb\u6a21\u5f0f\u4e0b\u672a\u80fd\u6b63\u786e\u7684\u963b\u6b62\u5199\u5165\u64cd\u4f5c\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u521b\u5efa\u957f\u5ea6\u4e3a\u96f6\u7684\u6587\u4ef6\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": "OpenSSH\u8bbe\u8ba1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "OpenSSH OpenSSH \u003c7.6"
  },
  "referenceLink": "https://github.com/openbsd/src/commit/a6981567e8e215acc1ef690c8dbb30f2d9b00a19",
  "serverity": "\u4e2d",
  "submitTime": "2017-11-03",
  "title": "OpenSSH\u8bbe\u8ba1\u6f0f\u6d1e"
}


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