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CVE-2018-3877

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 STH-ETH-250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 STH-ETH-250中的video-core HTTP服务器的credentials handler存在缓冲区溢出漏洞。攻击者可借助任意长度的‘directory’值利用该漏洞执行任意代码或造成设备崩溃。

AI Predicted 9.8 Difficulty: Easy EPSS 1.80% · P77
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I. Basic Information for CVE-2018-3877

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 credentials handler of video-core's HTTP server of Samsung SmartThings Hub STH-ETH-250-Firmware version 0.20.17. The strncpy overflows the destination buffer, which has a size of 160 bytes. An attacker can send an arbitrarily long "directory" value in order to exploit 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 STH-ETH-250 video-core HTTP服务器缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Samsung SmartThings Hub STH-ETH-250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 STH-ETH-250中的video-core HTTP服务器的credentials handler存在缓冲区溢出漏洞。攻击者可借助任意长度的‘directory’值利用该漏洞执行任意代码或造成设备崩溃。
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
Samsung SmartThings Hub STH-ETH-250 Firmware version 0.20.17 -

II. Public POCs for CVE-2018-3877

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III. Intelligence Information for CVE-2018-3877

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Other References for CVE-2018-3877 (1)

Same Patch Batch · Samsung · 2018-09-21 · 8 CVEs total

CVE-2018-3915 Samsung SmartThings Hub STH-ETH-250 video-core HTTP服务器缓冲区错误漏洞
CVE-2018-3874 Samsung SmartThings Hub STH-ETH-250 video-core HTTP服务器缓冲区错误漏洞
CVE-2018-3873 Samsung SmartThings Hub STH-ETH-250 video-core HTTP服务器缓冲区错误漏洞
CVE-2018-3876 Samsung SmartThings Hub STH-ETH-250 video-core HTTP服务器缓冲区错误漏洞
CVE-2018-3894 Samsung SmartThings Hub STH-ETH-250 video-core HTTP服务器缓冲区错误漏洞
CVE-2018-3906 Samsung SmartThings Hub video-core HTTP服务器缓冲区错误漏洞
CVE-2018-3914 Samsung SmartThings Hub STH-ETH-250 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

V. Comments for CVE-2018-3877

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