CNVD-2017-06226

Vulnerability from cnvd - Published: 2017-05-09
VLAI
Title
Linux kernel NFSv2和NFSv3服务器安全绕过漏洞
Description
Linux kernel是美国Linux基金会发布的操作系统Linux所使用的内核。NFSv2和NFSv3 server都是其中的服务器端。 Linux kernel 4.10.13及之前版本中的NFSv2和NFSv3服务器存在安全绕过漏洞。远程攻击者可利用该漏洞借助发送特制的请求执行未经授权的操作。
Severity
高
Patch Name
Linux kernel NFSv2和NFSv3服务器安全绕过漏洞的补丁
Patch Description
Linux kernel是美国Linux基金会发布的操作系统Linux所使用的内核。NFSv2和NFSv3 server都是其中的服务器端。 Linux kernel 4.10.13及之前版本中的NFSv2和NFSv3服务器存在安全绕过漏洞。远程攻击者可利用该漏洞借助发送特制的请求执行未经授权的操作。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

用户可参考如下厂商提供的安全补丁以修复该漏洞： https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=13bf9fbff0e5e099e2b6f003a0ab8ae145436309

Reference
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=13bf9fbff0e5e099e2b6f003a0ab8ae145436309 https://nvd.nist.gov/vuln/detail/CVE-2017-7895 http://www.securityfocus.com/bid/98085
Impacted products
Name
Linux kernel <4.10.13
Show details on source website
To clipboard 

{
  "bids": {
    "bid": {
      "bidNumber": "98085"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-7895",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7895"
    }
  },
  "description": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002NFSv2\u548cNFSv3 server\u90fd\u662f\u5176\u4e2d\u7684\u670d\u52a1\u5668\u7aef\u3002\r\n\r\nLinux kernel 4.10.13\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684NFSv2\u548cNFSv3\u670d\u52a1\u5668\u5b58\u5728\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u501f\u52a9\u53d1\u9001\u7279\u5236\u7684\u8bf7\u6c42\u6267\u884c\u672a\u7ecf\u6388\u6743\u7684\u64cd\u4f5c\u3002",
  "discovererName": "Ari Kauppi",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=13bf9fbff0e5e099e2b6f003a0ab8ae145436309",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-06226",
  "openTime": "2017-05-09",
  "patchDescription": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002NFSv2\u548cNFSv3 server\u90fd\u662f\u5176\u4e2d\u7684\u670d\u52a1\u5668\u7aef\u3002\r\n\r\nLinux kernel 4.10.13\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684NFSv2\u548cNFSv3\u670d\u52a1\u5668\u5b58\u5728\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u501f\u52a9\u53d1\u9001\u7279\u5236\u7684\u8bf7\u6c42\u6267\u884c\u672a\u7ecf\u6388\u6743\u7684\u64cd\u4f5c\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": "Linux kernel NFSv2\u548cNFSv3\u670d\u52a1\u5668\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Linux kernel \u003c4.10.13"
  },
  "referenceLink": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=13bf9fbff0e5e099e2b6f003a0ab8ae145436309\r\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-7895\r\nhttp://www.securityfocus.com/bid/98085",
  "serverity": "\u9ad8",
  "submitTime": "2017-05-03",
  "title": "Linux kernel NFSv2\u548cNFSv3\u670d\u52a1\u5668\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e"
}



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