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CVE-2018-16857

Quick assessment

Affected
[UNKNOWN] 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团队开发的一套可使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 4.9.0版本至4.9.3之前版本中存在安全漏洞。攻击者可利用该漏洞实施暴力破解攻击。

AI Predicted 5.9 Difficulty: Easy EPSS 2.27% · P83

Possible ATT&CK Techniques 1 AI

T1110.001 · Password Guessing
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I. Basic Information for CVE-2018-16857

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Samba from version 4.9.0 and before version 4.9.3 that have AD DC configurations watching for bad passwords (to restrict brute forcing of passwords) in a window of more than 3 minutes may not watch for bad passwords at all. The primary risk from this issue is with regards to domains that have been upgraded from Samba 4.8 and earlier. In these cases the manual testing done to confirm an organisation's password policies apply as expected may not have been re-done after the upgrade.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
不恰当实现的标准安全检查
Source: CVE Program / CVE List V5
Vulnerability Title
Samba 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Samba是Samba团队开发的一套可使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 4.9.0版本至4.9.3之前版本中存在安全漏洞。攻击者可利用该漏洞实施暴力破解攻击。
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
[UNKNOWN] samba 4.9.3 -

II. Public POCs for CVE-2018-16857

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III. Intelligence Information for CVE-2018-16857

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Vendor Advisories for CVE-2018-16857 (4)

Other References for CVE-2018-16857 (1)

Same Patch Batch · [UNKNOWN] · 2018-11-28 · 6 CVEs total

CVE-2018-14629 Samba LDAP服务器安全漏洞
CVE-2018-16841 Samba 安全漏洞
CVE-2018-16851 Samba AD DC LDAP服务器安全漏洞
CVE-2018-16852 Samba 安全漏洞
CVE-2018-16853 Samba 安全漏洞

IV. Related Vulnerabilities

Same product: samba
Same vendor: [UNKNOWN]
Same weakness: CWE-358

V. Comments for CVE-2018-16857

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