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CVE-2018-1139

Quick assessment

Affected
The Samba Team samba
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Samba是Samba团队的一套可使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。该软件支持共享打印机、互相传输资料文件等。 Samba 4.7.9之前版本和4.8.4之前版本中存在信任管理问题漏洞，该漏洞源于即使明确禁用了NTLMv1，程序依然允许使用弱的NTLMv1身份验证。远程攻击者可利用该漏洞实施中间人攻击，读取samba服务器端和客户端之间传递的凭证和其他的详细信息。

AI Predicted 6.5 Difficulty: Moderate EPSS 3.10% · P87
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I. Basic Information for CVE-2018-1139

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in the way samba before 4.7.9 and 4.8.4 allowed the use of weak NTLMv1 authentication even when NTLMv1 was explicitly disabled. A man-in-the-middle attacker could use this flaw to read the credential and other details passed between the samba server and client.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Samba 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Samba是Samba团队的一套可使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。该软件支持共享打印机、互相传输资料文件等。 Samba 4.7.9之前版本和4.8.4之前版本中存在信任管理问题漏洞，该漏洞源于即使明确禁用了NTLMv1，程序依然允许使用弱的NTLMv1身份验证。远程攻击者可利用该漏洞实施中间人攻击，读取samba服务器端和客户端之间传递的凭证和其他的详细信息。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
The Samba Team samba before 4.7.9 -

II. Public POCs for CVE-2018-1139

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III. Intelligence Information for CVE-2018-1139

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Vendor Advisories for CVE-2018-1139 (8)

Other References for CVE-2018-1139 (1)

Same Patch Batch · The Samba Team · 2018-08-22 · 5 CVEs total

CVE-2018-10858 Samba 缓冲区错误漏洞
CVE-2018-10918 Samba 代码问题漏洞
CVE-2018-10919 Samba 信息泄露漏洞
CVE-2018-1140 Samba 输入验证错误漏洞

IV. Related Vulnerabilities

Same product: samba
Same vendor: The Samba Team
Same weakness: CWE-20

V. Comments for CVE-2018-1139

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