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CVE-2018-16853

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 4.7.0及之后的版本中存在安全漏洞。攻击者可借助S4U2self扩展利用该漏洞造成KDC崩溃。

AI Predicted 5.3 Difficulty: Easy EPSS 3.08% · P88

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2018-16853

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Samba from version 4.7.0 has a vulnerability that allows a user in a Samba AD domain to crash the KDC when Samba is built in the non-default MIT Kerberos configuration. With this advisory the Samba Team clarify that the MIT Kerberos build of the Samba AD DC is considered experimental. Therefore the Samba Team will not issue security patches for this configuration. Additionally, Samba 4.7.12, 4.8.7 and 4.9.3 have been issued as security releases to prevent building of the AD DC with MIT Kerberos unless --with-experimental-mit-ad-dc is specified to the configure command.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
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 4.7.0及之后的版本中存在安全漏洞。攻击者可借助S4U2self扩展利用该漏洞造成KDC崩溃。
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 4.7.12 -

II. Public POCs for CVE-2018-16853

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III. Intelligence Information for CVE-2018-16853

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Vendor Advisories for CVE-2018-16853 (4)

Other References for CVE-2018-16853 (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-2018-16857 Samba 安全漏洞

IV. Related Vulnerabilities

Same product: samba
Same vendor: [UNKNOWN]
Same weakness: CWE-400

V. Comments for CVE-2018-16853

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