PT-2018-16266 · Samsung · Samsung Smartthings Hub

Published 2018-09-21 · Updated 2023-05-19 · CVE-2018-3873

Positive Technologies (AI Summary)

CVSS v3.1

9.9

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Samsung SmartThings Hub STH-ETH-250-Firmware version 0.20.17

Description A buffer overflow issue exists in the credentials handler of the video-core's HTTP server. The strncpy function overflows a destination buffer of 128 bytes. An attacker can exploit this by sending a long secretKey value.

Recommendations For Samsung SmartThings Hub STH-ETH-250-Firmware version 0.20.17, consider restricting access to the credentials handler until a patch is available. As a temporary workaround, avoid using arbitrarily long secretKey values in the affected HTTP server. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2018-3873

Affected Products

Samsung Smartthings Hub

References · 3

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2018-0555 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2018-3873 · Security Note
• https://osv.dev/vulnerability/CVE-2018-3873 · Vendor Advisory