CVE Vulnerability

CVE-2018-3903

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. The memcpy call overflows the destination buffer, which has a size of 512 bytes. An attacker can send an arbitrarily long "url" value in order to overwrite the saved-PC with 0x42424242.

9 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

9.9 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.1 / Impact : 6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References
Link Resource
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0574 Exploit Third Party Advisory
Configurations

Configuration 1
Information

Published : 2018-08-23 03:29

Updated : 2022-04-19 06:15

NVD link : CVE-2018-3903

Mitre link : CVE-2018-3903

Products Affected
No products.
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer