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CVE-2018-14629

Quick assessment

Affected
[UNKNOWN] 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。LDAP Server是其中的一个轻量级目录访问协议服务器。 Samba 4.7.12之前版本、4.8.7之前版本和4.9.3之前版本中的LDAP服务器存在安全漏洞，该漏洞源于程序没有正确的处理CNAME记录。本地攻击者可利用该漏洞造成拒绝服务（DNS服务器崩溃）。

AI Predicted 5.3 Difficulty: Trivial EPSS 5.19% · P92

Possible ATT&CK Techniques 1 AI

T1529 · System Shutdown/Reboot
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I. Basic Information for CVE-2018-14629

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A denial of service vulnerability was discovered in Samba's LDAP server before versions 4.7.12, 4.8.7, and 4.9.3. A CNAME loop could lead to infinite recursion in the server. An unprivileged local attacker could create such an entry, leading to denial of service.
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 LDAP服务器安全漏洞
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。LDAP Server是其中的一个轻量级目录访问协议服务器。 Samba 4.7.12之前版本、4.8.7之前版本和4.9.3之前版本中的LDAP服务器存在安全漏洞，该漏洞源于程序没有正确的处理CNAME记录。本地攻击者可利用该漏洞造成拒绝服务（DNS服务器崩溃）。
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-2018-14629

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III. Intelligence Information for CVE-2018-14629

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Vendor Advisories for CVE-2018-14629 (7)

Mailing List Discussions for CVE-2018-14629 (1)

Other References for CVE-2018-14629 (1)

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

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
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-2018-14629

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