CNVD-2015-08520

Vulnerability from cnvd - Published: 2015-12-31
VLAI
Title
Samba绕过访问权限漏洞（CNVD-2015-08520）
Description
Samba是一套实现SMB（Server Messages Block）协议、跨平台进行文件共享和打印共享服务的程序。 Samba 4.1.22之前的4.x版本, 4.2.7之前的4.2.x版本, 4.3.3之前的4.3.x版本存在绕过访问权限漏洞。允许攻击者通过一个指向共享文件的符号链接获取目的文件的访问权限。
Severity
中
Patch Name
Samba绕过访问权限漏洞（CNVD-2015-08520）的补丁
Patch Description
Samba是一套实现SMB（Server Messages Block）协议、跨平台进行文件共享和打印共享服务的程序。 Samba 4.1.22之前的4.x版本, 4.2.7之前的4.2.x版本, 4.3.3之前的4.3.x版本存在绕过访问权限漏洞。允许攻击者通过一个指向共享文件的符号链接获取目的文件的访问权限。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://www.samba.org/samba/history/security.html

Reference
https://www.samba.org/samba/security/CVE-2015-5252.html
Impacted products
Name
['Samba Samba 4.x(<4.1.22)', 'Samba Samba 4.2.x(<4.2.7)', 'Samba Samba 4.3.x(< 4.3.3)']
Show details on source website
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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-5252"
    }
  },
  "description": "Samba\u662f\u4e00\u5957\u5b9e\u73b0SMB\uff08Server Messages Block\uff09\u534f\u8bae\u3001\u8de8\u5e73\u53f0\u8fdb\u884c\u6587\u4ef6\u5171\u4eab\u548c\u6253\u5370\u5171\u4eab\u670d\u52a1\u7684\u7a0b\u5e8f\u3002\r\n\r\nSamba 4.1.22\u4e4b\u524d\u76844.x\u7248\u672c, 4.2.7\u4e4b\u524d\u76844.2.x\u7248\u672c, 4.3.3\u4e4b\u524d\u76844.3.x\u7248\u672c\u5b58\u5728\u7ed5\u8fc7\u8bbf\u95ee\u6743\u9650\u6f0f\u6d1e\u3002\u5141\u8bb8\u653b\u51fb\u8005\u901a\u8fc7\u4e00\u4e2a\u6307\u5411\u5171\u4eab\u6587\u4ef6\u7684\u7b26\u53f7\u94fe\u63a5\u83b7\u53d6\u76ee\u7684\u6587\u4ef6\u7684\u8bbf\u95ee\u6743\u9650\u3002",
  "discovererName": "Jan \"Yenya\" Kasprzak and the Computer Systems Unit team",
  "formalWay": "\u7528\u6237\u53ef\u8054\u7cfb\u4f9b\u5e94\u5546\u83b7\u5f97\u8865\u4e01\u4fe1\u606f\uff1a\r\nhttps://www.samba.org/samba/history/security.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-08520",
  "openTime": "2015-12-31",
  "patchDescription": "Samba\u662f\u4e00\u5957\u5b9e\u73b0SMB\uff08Server Messages Block\uff09\u534f\u8bae\u3001\u8de8\u5e73\u53f0\u8fdb\u884c\u6587\u4ef6\u5171\u4eab\u548c\u6253\u5370\u5171\u4eab\u670d\u52a1\u7684\u7a0b\u5e8f\u3002\r\n\r\nSamba 4.1.22\u4e4b\u524d\u76844.x\u7248\u672c, 4.2.7\u4e4b\u524d\u76844.2.x\u7248\u672c, 4.3.3\u4e4b\u524d\u76844.3.x\u7248\u672c\u5b58\u5728\u7ed5\u8fc7\u8bbf\u95ee\u6743\u9650\u6f0f\u6d1e\u3002\u5141\u8bb8\u653b\u51fb\u8005\u901a\u8fc7\u4e00\u4e2a\u6307\u5411\u5171\u4eab\u6587\u4ef6\u7684\u7b26\u53f7\u94fe\u63a5\u83b7\u53d6\u76ee\u7684\u6587\u4ef6\u7684\u8bbf\u95ee\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": "Samba\u7ed5\u8fc7\u8bbf\u95ee\u6743\u9650\u6f0f\u6d1e\uff08CNVD-2015-08520\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Samba Samba  4.x(\u003c4.1.22)",
      "Samba Samba  4.2.x(\u003c4.2.7)",
      "Samba Samba  4.3.x(\u003c 4.3.3)"
    ]
  },
  "referenceLink": "https://www.samba.org/samba/security/CVE-2015-5252.html",
  "serverity": "\u4e2d",
  "submitTime": "2015-12-30",
  "title": "Samba\u7ed5\u8fc7\u8bbf\u95ee\u6743\u9650\u6f0f\u6d1e\uff08CNVD-2015-08520\uff09"
}



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Sightings

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Nomenclature

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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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