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CVE-2018-3902

Quick assessment

Affected
Samsung SmartThings Hub STH-ETH-250
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。video-core HTTP server是其中的一个HTTP服务器。 使用0.20.17版本固件的Samsung SmartThings Hub中的video-core HTTP服务器的摄像头‘替换’功能存在缓冲区溢出漏洞，该漏洞源于video-core进程错误地提取了用户所控制JSON载荷中的URL字段。远程攻击者可通过发送HTTP请求利用该漏洞执行任意代码。

AI Predicted 8.1 Difficulty: Trivial EPSS 1.75% · P78

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2018-3902

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An exploitable buffer overflow vulnerability exists in the camera "replace" feature of video-core's HTTP server of Samsung SmartThings Hub STH-ETH-250 devices with firmware version 0.20.17. The video-core process incorrectly extracts the URL field from a user-controlled JSON payload, leading to a buffer overflow on the stack. 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 video-core HTTP服务器缓冲区错误漏洞
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。video-core HTTP server是其中的一个HTTP服务器。 使用0.20.17版本固件的Samsung SmartThings Hub中的video-core HTTP服务器的摄像头‘替换’功能存在缓冲区溢出漏洞，该漏洞源于video-core进程错误地提取了用户所控制JSON载荷中的URL字段。远程攻击者可通过发送HTTP请求利用该漏洞执行任意代码。
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 SmartThings Hub STH-ETH-250 Firmware version 0.20.17 -

II. Public POCs for CVE-2018-3902

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III. Intelligence Information for CVE-2018-3902

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Other References for CVE-2018-3902 (1)

Same Patch Batch · Samsung · 2018-08-23 · 15 CVEs total

CVE-2018-3856 Samsung SmartThings Hub 命令注入漏洞
CVE-2018-3866 Samsung SmartThings Hub video-core HTTP服务器缓冲区错误漏洞
CVE-2018-3872 Samsung SmartThings Hub video-core HTTP服务器缓冲区错误漏洞
CVE-2018-3880 Samsung SmartThings Hub video-core HTTP服务器缓冲区错误漏洞
CVE-2018-3911 Samsung SmartThings Hub 安全漏洞
CVE-2018-3912 Samsung SmartThings Hub video-core HTTP服务器缓冲区错误漏洞
CVE-2018-3867 Samsung SmartThings Hub video-core HTTP服务器缓冲区错误漏洞
CVE-2018-3863 Samsung SmartThings Hub video-core HTTP服务器缓冲区错误漏洞
CVE-2018-3878 Samsung SmartThings Hub video-core HTTP服务器缓冲区错误漏洞
CVE-2018-3879 Samsung SmartThings Hub video-core HTTP服务器SQL注入漏洞
CVE-2018-3905 Samsung SmartThings Hub video-core HTTP服务器缓冲区错误漏洞
CVE-2018-3917 Samsung SmartThings Hub video-core HTTP服务器缓冲区错误漏洞
CVE-2018-3919 Samsung SmartThings Hub video-core HTTP服务器缓冲区错误漏洞
CVE-2018-3925 Samsung SmartThings Hub video-core HTTP服务器缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: SmartThings Hub STH-ETH-250
Same vendor: Samsung