CVE-2018-3912 Information

Description

On Samsung SmartThings Hub STH-ETH-250 devices with firmware version 0.20.17 the video-core process insecurely extracts the fields from the \shard\ table of its SQLite database leading to a buffer overflow on the stack. The strcpy call overflows the destination buffer which has a size of 128 bytes. An attacker can send an arbitrarily long \secretKey\ value in order to exploit this vulnerability.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0581

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8