Vulnerability Details CVE-2018-3863
On Samsung SmartThings Hub STH-ETH-250 devices with firmware version 0.20.17, the video-core process incorrectly extracts fields 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. A strcpy overflows the destination buffer, which has a size of 40 bytes. An attacker can send an arbitrarily long "user" value in order to exploit this vulnerability.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 60.0%
CVSS Severity
CVSS v3 Score 9.9
CVSS v2 Score 9.0
References
Products affected by CVE-2018-3863
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cpe:2.3:h:samsung:sth-eth-250:-
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cpe:2.3:o:samsung:sth-eth-250_firmware:0.20.17