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CVE-2018-1140

Quick assessment

Affected
The Samba Team samba
Exploitation
High exploitation probability; assess promptly
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 4.8.0及之后版本中LDP数据库的实现存在输入验证错误漏洞，该漏洞源于程序没有过滤输入。远程攻击者可利用该漏洞使作为Active Directory Domain Controller的samba服务器停止服务。

AI Predicted 7.5 Difficulty: Easy EPSS 10.84% · P96

Possible ATT&CK Techniques 1 AI

T1089
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I. Basic Information for CVE-2018-1140

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A missing input sanitization flaw was found in the implementation of LDP database used for the LDAP server. An attacker could use this flaw to cause a denial of service against a samba server, used as a Active Directory Domain Controller. All versions of Samba from 4.8.0 onwards are vulnerable
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 输入验证错误漏洞
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 4.8.0及之后版本中LDP数据库的实现存在输入验证错误漏洞，该漏洞源于程序没有过滤输入。远程攻击者可利用该漏洞使作为Active Directory Domain Controller的samba服务器停止服务。
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 4.8.0 and newer -

II. Public POCs for CVE-2018-1140

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III. Intelligence Information for CVE-2018-1140

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Vendor Advisories for CVE-2018-1140 (4)

Other References for CVE-2018-1140 (2)

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-2018-1139 Samba 信任管理问题漏洞

IV. Related Vulnerabilities

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

V. Comments for CVE-2018-1140

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