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cnvd-2016-02265
Vulnerability from cnvd
Title
Samba NTLMSSP安全绕过漏洞
Description
Samba是一套可使UNIX系列的操作系统与微软Windows操作系统的SMB/CIFS网络协议做连结的自由软件。
Samba的NTLMSSP实现中存在安全漏洞。攻击者可利用该漏洞通过中间人攻击，清除连接的加密和完整性标志，使服务器与客户端之间的数据明文传输。
Severity
中
VLAI Severity ?
Patch Name
Samba NTLMSSP安全绕过漏洞的补丁
Patch Description
Samba是一套可使UNIX系列的操作系统与微软Windows操作系统的SMB/CIFS网络协议做连结的自由软件。
Samba的NTLMSSP实现中存在安全漏洞。攻击者可利用该漏洞通过中间人攻击，清除连接的加密和完整性标志，使服务器与客户端之间的数据明文传输。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/history/samba-4.2.10.html
Reference
https://rhn.redhat.com/errata/RHSA-2016-0614.html
Impacted products
| Name | Samba Samba |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2016-2110"
}
},
"description": "Samba\u662f\u4e00\u5957\u53ef\u4f7fUNIX\u7cfb\u5217\u7684\u64cd\u4f5c\u7cfb\u7edf\u4e0e\u5fae\u8f6fWindows\u64cd\u4f5c\u7cfb\u7edf\u7684SMB/CIFS\u7f51\u7edc\u534f\u8bae\u505a\u8fde\u7ed3\u7684\u81ea\u7531\u8f6f\u4ef6\u3002\r\n\r\nSamba\u7684NTLMSSP\u5b9e\u73b0\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u4e2d\u95f4\u4eba\u653b\u51fb\uff0c\u6e05\u9664\u8fde\u63a5\u7684\u52a0\u5bc6\u548c\u5b8c\u6574\u6027\u6807\u5fd7\uff0c\u4f7f\u670d\u52a1\u5668\u4e0e\u5ba2\u6237\u7aef\u4e4b\u95f4\u7684\u6570\u636e\u660e\u6587\u4f20\u8f93\u3002",
"discovererName": "Samba",
"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/history/samba-4.2.10.html",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2016-02265",
"openTime": "2016-04-18",
"patchDescription": "Samba\u662f\u4e00\u5957\u53ef\u4f7fUNIX\u7cfb\u5217\u7684\u64cd\u4f5c\u7cfb\u7edf\u4e0e\u5fae\u8f6fWindows\u64cd\u4f5c\u7cfb\u7edf\u7684SMB/CIFS\u7f51\u7edc\u534f\u8bae\u505a\u8fde\u7ed3\u7684\u81ea\u7531\u8f6f\u4ef6\u3002\r\n\r\nSamba\u7684NTLMSSP\u5b9e\u73b0\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u4e2d\u95f4\u4eba\u653b\u51fb\uff0c\u6e05\u9664\u8fde\u63a5\u7684\u52a0\u5bc6\u548c\u5b8c\u6574\u6027\u6807\u5fd7\uff0c\u4f7f\u670d\u52a1\u5668\u4e0e\u5ba2\u6237\u7aef\u4e4b\u95f4\u7684\u6570\u636e\u660e\u6587\u4f20\u8f93\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 NTLMSSP\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\u7684\u8865\u4e01",
"products": {
"product": "Samba Samba"
},
"referenceLink": "https://rhn.redhat.com/errata/RHSA-2016-0614.html",
"serverity": "\u4e2d",
"submitTime": "2016-04-14",
"title": "Samba NTLMSSP\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e"
}
CVE-2016-2110 (GCVE-0-2016-2110)
Vulnerability from cvelistv5
Published
2016-04-25 00:00
Modified
2024-08-05 23:17
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
The NTLMSSP authentication implementation in Samba 3.x and 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2 allows man-in-the-middle attackers to perform protocol-downgrade attacks by modifying the client-server data stream to remove application-layer flags or encryption settings, as demonstrated by clearing the NTLMSSP_NEGOTIATE_SEAL or NTLMSSP_NEGOTIATE_SIGN option to disrupt LDAP security.
References
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},
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{
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{
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},
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],
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},
{
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},
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],
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},
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],
"url": "https://www.samba.org/samba/latest_news.html#4.4.2"
},
{
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"tags": [
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],
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{
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],
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},
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],
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},
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],
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},
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],
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"dateUpdated": "2024-08-05T23:17:50.577Z",
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},
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}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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