cnvd-2016-02231
Vulnerability from cnvd
Title
Samba MS-SAMR/MS-LSAD中间人攻击漏洞
Description
Samba是在Linux和UNIX系统上实现SMB协议的一个免费软件，由服务器及客户端程序构成。 Samba 3.6.0－4.4.0版本在MS-SAMR及MS-LSAD协议上存在安全漏洞，由于未正确处理DCERPC连接。可使中间人攻击者修改客户端到服务器的数据流，执行协议降级攻击并冒充用户，对Security Account Manager Database读写操作，获取敏感信息等。
Severity
中
Patch Name
Samba MS-SAMR/MS-LSAD中间人攻击漏洞的补丁
Patch Description
Samba是在Linux和UNIX系统上实现SMB协议的一个免费软件，由服务器及客户端程序构成。 Samba 3.6.0－4.4.0版本在MS-SAMR及MS-LSAD协议上存在安全漏洞，由于未正确处理DCERPC连接。可使中间人攻击者修改客户端到服务器的数据流，执行协议降级攻击并冒充用户，对Security Account Manager Database读写操作，获取敏感信息等。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://www.samba.org/samba/security/

Reference
https://www.samba.org/samba/security/CVE-2016-2118.html
Impacted products
Name
Samba Samba <=4.4.0
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-2118"
    }
  },
  "description": "Samba\u662f\u5728Linux\u548cUNIX\u7cfb\u7edf\u4e0a\u5b9e\u73b0SMB\u534f\u8bae\u7684\u4e00\u4e2a\u514d\u8d39\u8f6f\u4ef6\uff0c\u7531\u670d\u52a1\u5668\u53ca\u5ba2\u6237\u7aef\u7a0b\u5e8f\u6784\u6210\u3002\r\n\r\nSamba 3.6.0\uff0d4.4.0\u7248\u672c\u5728MS-SAMR\u53caMS-LSAD\u534f\u8bae\u4e0a\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u7531\u4e8e\u672a\u6b63\u786e\u5904\u7406DCERPC\u8fde\u63a5\u3002\u53ef\u4f7f\u4e2d\u95f4\u4eba\u653b\u51fb\u8005\u4fee\u6539\u5ba2\u6237\u7aef\u5230\u670d\u52a1\u5668\u7684\u6570\u636e\u6d41\uff0c\u6267\u884c\u534f\u8bae\u964d\u7ea7\u653b\u51fb\u5e76\u5192\u5145\u7528\u6237\uff0c\u5bf9Security Account Manager Database\u8bfb\u5199\u64cd\u4f5c\uff0c\u83b7\u53d6\u654f\u611f\u4fe1\u606f\u7b49\u3002",
  "discovererName": "Stefan Metzmacher",
  "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\uff1a \r\nhttps://www.samba.org/samba/security/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-02231",
  "openTime": "2016-04-15",
  "patchDescription": "Samba\u662f\u5728Linux\u548cUNIX\u7cfb\u7edf\u4e0a\u5b9e\u73b0SMB\u534f\u8bae\u7684\u4e00\u4e2a\u514d\u8d39\u8f6f\u4ef6\uff0c\u7531\u670d\u52a1\u5668\u53ca\u5ba2\u6237\u7aef\u7a0b\u5e8f\u6784\u6210\u3002\r\n\r\nSamba 3.6.0\uff0d4.4.0\u7248\u672c\u5728MS-SAMR\u53caMS-LSAD\u534f\u8bae\u4e0a\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u7531\u4e8e\u672a\u6b63\u786e\u5904\u7406DCERPC\u8fde\u63a5\u3002\u53ef\u4f7f\u4e2d\u95f4\u4eba\u653b\u51fb\u8005\u4fee\u6539\u5ba2\u6237\u7aef\u5230\u670d\u52a1\u5668\u7684\u6570\u636e\u6d41\uff0c\u6267\u884c\u534f\u8bae\u964d\u7ea7\u653b\u51fb\u5e76\u5192\u5145\u7528\u6237\uff0c\u5bf9Security Account Manager Database\u8bfb\u5199\u64cd\u4f5c\uff0c\u83b7\u53d6\u654f\u611f\u4fe1\u606f\u7b49\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 MS-SAMR/MS-LSAD\u4e2d\u95f4\u4eba\u653b\u51fb\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Samba Samba \u003c=4.4.0"
  },
  "referenceLink": "https://www.samba.org/samba/security/CVE-2016-2118.html",
  "serverity": "\u4e2d",
  "submitTime": "2016-04-14",
  "title": "Samba MS-SAMR/MS-LSAD\u4e2d\u95f4\u4eba\u653b\u51fb\u6f0f\u6d1e"
}


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