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CVE-2018-11053— iSM: Dell EMC iDRAC Service Module Improper File Permission Vulnerability

Quick assessment

Affected
Dell EMC iDRAC Service Module
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.

Dell EMC iDRAC Service Module（iSM）是美国戴尔（Dell）公司的一套运行在服务器上的轻量级软件。该软件能够将集成Dell EMC远程访问控制器（iDRAC）扩展到主机操作系统。 基于Linux和XenServer平台的Dell EMC iSM中存在安全漏洞，该漏洞源于在启动时程序将主机操作系统(/etc/hosts)的主机文件的默认文件权限更改成全局可写入。攻击者可利用该漏洞修改主机文件并可能将流量重定向到托管有恶意内容的网站。

AI Predicted 6.5 Difficulty: Easy EPSS 0.45% · P37

Possible ATT&CK Techniques 2 AI

T1561.001 · Disk Content Wipe T1033.001
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I. Basic Information for CVE-2018-11053

Vulnerability Information
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Vulnerability Title
iSM: Dell EMC iDRAC Service Module Improper File Permission Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Dell EMC iDRAC Service Module for all supported Linux and XenServer versions v3.0.1, v3.0.2, v3.1.0, v3.2.0, when started, changes the default file permission of the hosts file of the host operating system (/etc/hosts) to world writable. A malicious low privileged operating system user or process could modify the host file and potentially redirect traffic from the intended destination to sites hosting malicious or unwanted content.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Dell EMC iDRAC Service Module Linux和XenServer 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dell EMC iDRAC Service Module（iSM）是美国戴尔（Dell）公司的一套运行在服务器上的轻量级软件。该软件能够将集成Dell EMC远程访问控制器（iDRAC）扩展到主机操作系统。 基于Linux和XenServer平台的Dell EMC iSM中存在安全漏洞，该漏洞源于在启动时程序将主机操作系统(/etc/hosts)的主机文件的默认文件权限更改成全局可写入。攻击者可利用该漏洞修改主机文件并可能将流量重定向到托管有恶意内容的网站。
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
Dell EMC iDRAC Service Module 3.0.1 -

II. Public POCs for CVE-2018-11053

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III. Intelligence Information for CVE-2018-11053

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Vendor Advisories for CVE-2018-11053 (1)

Other References for CVE-2018-11053 (1)

IV. Related Vulnerabilities

Same product: iDRAC Service Module
Same vendor: Dell EMC

V. Comments for CVE-2018-11053

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