CNVD-2016-02231

Vulnerability from cnvd - Published: 2016-04-15
VLAI
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"
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.