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CVE-2018-3918

Quick assessment

Affected
Samsung Samsung
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.

Samsung SmartThings Hub是韩国三星（Samsung）公司的一款智能家居管理设备。 使用0.20.17版本固件的Samsung SmartThings Hub中的远程服务器存在拒绝服务漏洞，该漏洞该源于监听39500端口的hubCore进程将未经认证的消息中继给SmartThings的远程服务器，而远程服务器错误地处理用于‘sync’操作的摄像头ID。攻击者可通过发送HTTP请求利用该漏洞删除任意的摄像头，造成拒绝服务。

AI Predicted 8.8 Difficulty: Easy EPSS 0.99% · P62

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2018-3918

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An exploitable vulnerability exists in the remote servers of Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17. The hubCore process listens on port 39500 and relays any unauthenticated messages to SmartThings' remote servers, which incorrectly handle camera IDs for the 'sync' operation, leading to arbitrary deletion of cameras. An attacker can send an HTTP request to trigger this vulnerability.
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
Samsung SmartThings Hub 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Samsung SmartThings Hub是韩国三星（Samsung）公司的一款智能家居管理设备。 使用0.20.17版本固件的Samsung SmartThings Hub中的远程服务器存在拒绝服务漏洞，该漏洞该源于监听39500端口的hubCore进程将未经认证的消息中继给SmartThings的远程服务器，而远程服务器错误地处理用于‘sync’操作的摄像头ID。攻击者可通过发送HTTP请求利用该漏洞删除任意的摄像头，造成拒绝服务。
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
Samsung Samsung Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17 -

II. Public POCs for CVE-2018-3918

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III. Intelligence Information for CVE-2018-3918

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Other References for CVE-2018-3918 (1)

Same Patch Batch · Samsung · 2018-08-27 · 3 CVEs total

CVE-2018-3904 Samsung SmartThings Hub video-core HTTP服务器缓冲区错误漏洞
CVE-2018-3927 Samsung SmartThings Hub 安全漏洞

IV. Related Vulnerabilities

Same product: Samsung
Same vendor: Samsung