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CVE-2016-8641

Quick assessment

Affected
Nagios Enterprises nagios
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.

Nagios是美国程序员Ethan Galstad所研发的一套开源的系统运行状态和网络信息监控程序。该程序提供网络服务监控、主机资源监控、短信报警等功能。 Nagios 4.2.x版本中的daemon-init.in文件存在后置链接漏洞。本地攻击者可通过在文件创建之前，首先创建一个符号链接利用该漏洞提升权限。

AI Predicted 7.8 Difficulty: Moderate EPSS 1.12% · P63

Public Exploits 1

ExploitDB · 1 EDB-40774 [local]
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I. Basic Information for CVE-2016-8641

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A privilege escalation vulnerability was found in nagios 4.2.x that occurs in daemon-init.in when creating necessary files and insecurely changing the ownership afterwards. It's possible for the local attacker to create symbolic links before the files are to be created and possibly escalating the privileges with the ownership change.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Source: CVE Program / CVE List V5
Vulnerability Title
Nagios 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nagios是美国程序员Ethan Galstad所研发的一套开源的系统运行状态和网络信息监控程序。该程序提供网络服务监控、主机资源监控、短信报警等功能。 Nagios 4.2.x版本中的daemon-init.in文件存在后置链接漏洞。本地攻击者可通过在文件创建之前，首先创建一个符号链接利用该漏洞提升权限。
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
Nagios Enterprises nagios 4.2.x -

II. Public POCs for CVE-2016-8641

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III. Intelligence Information for CVE-2016-8641

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Patches & Fixes for CVE-2016-8641 (1)

Vendor Advisories for CVE-2016-8641 (3)

Exploits & Public PoCs for CVE-2016-8641 (1)

IV. Related Vulnerabilities

Same vendor: Nagios Enterprises
Same weakness: CWE-59

V. Comments for CVE-2016-8641

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