CNVD-2015-07989

Vulnerability from cnvd - Published: 2015-12-09
VLAI
Title
LXCFS权限获取漏洞
Description
LXCFS是一套用于解决Linux内核受限的用户空间文件系统软件。 LXCFS 0.12之前版本的lxcfs.c文件中的‘do_write_pids’函数存在安全漏洞。由于程序未能正确检查权限。本地攻击者可通过向任务文件中写入pid利用该漏洞获取权限。
Severity
高
Patch Name
LXCFS权限获取漏洞的补丁
Patch Description
LXCFS是一套用于解决Linux内核受限的用户空间文件系统软件。 LXCFS 0.12之前版本的lxcfs.c文件中的‘do_write_pids’函数存在安全漏洞。由于程序未能正确检查权限。本地攻击者可通过向任务文件中写入pid利用该漏洞获取权限。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

用户可联系供应商获得补丁信息: https://linuxcontainers.org/

Reference
https://github.com/lxc/lxcfs/commit/8ee2a503e102b1a43ec4d83113dc275ab20a869a https://bugs.launchpad.net/ubuntu/+source/lxcfs/+bug/1512854 http://www.ubuntu.com/usn/USN-2813-1
Impacted products
Name
Ubuntu LXCFS <0.12
Show details on source website

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-1344"
    }
  },
  "description": "LXCFS\u662f\u4e00\u5957\u7528\u4e8e\u89e3\u51b3Linux\u5185\u6838\u53d7\u9650\u7684\u7528\u6237\u7a7a\u95f4\u6587\u4ef6\u7cfb\u7edf\u8f6f\u4ef6\u3002\r\n\r\nLXCFS 0.12\u4e4b\u524d\u7248\u672c\u7684lxcfs.c\u6587\u4ef6\u4e2d\u7684\u2018do_write_pids\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u7531\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u68c0\u67e5\u6743\u9650\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5411\u4efb\u52a1\u6587\u4ef6\u4e2d\u5199\u5165pid\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u6743\u9650\u3002",
  "discovererName": "Ubuntu",
  "formalWay": "\u7528\u6237\u53ef\u8054\u7cfb\u4f9b\u5e94\u5546\u83b7\u5f97\u8865\u4e01\u4fe1\u606f\uff1a\r\nhttps://linuxcontainers.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-07989",
  "openTime": "2015-12-09",
  "patchDescription": "LXCFS\u662f\u4e00\u5957\u7528\u4e8e\u89e3\u51b3Linux\u5185\u6838\u53d7\u9650\u7684\u7528\u6237\u7a7a\u95f4\u6587\u4ef6\u7cfb\u7edf\u8f6f\u4ef6\u3002\r\n\r\nLXCFS 0.12\u4e4b\u524d\u7248\u672c\u7684lxcfs.c\u6587\u4ef6\u4e2d\u7684\u2018do_write_pids\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u7531\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u68c0\u67e5\u6743\u9650\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5411\u4efb\u52a1\u6587\u4ef6\u4e2d\u5199\u5165pid\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u6743\u9650\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": "LXCFS\u6743\u9650\u83b7\u53d6\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Ubuntu LXCFS \u003c0.12"
  },
  "referenceLink": "https://github.com/lxc/lxcfs/commit/8ee2a503e102b1a43ec4d83113dc275ab20a869a \r\nhttps://bugs.launchpad.net/ubuntu/+source/lxcfs/+bug/1512854 \r\nhttp://www.ubuntu.com/usn/USN-2813-1",
  "serverity": "\u9ad8",
  "submitTime": "2015-12-08",
  "title": "LXCFS\u6743\u9650\u83b7\u53d6\u6f0f\u6d1e"
}



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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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