PT-2018-16257 · Samsung · Samsung Smartthings Hub

Published 2018-08-23 · Updated 2023-04-26 · CVE-2018-3863

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 version 0.20.17

Description The issue arises from the incorrect extraction of fields from a user-controlled JSON payload by the video-core process, leading to a buffer overflow on the stack. This can be triggered by sending an HTTP request. Specifically, a strcpy operation overflows a destination buffer of 40 bytes. An attacker can exploit this by sending an arbitrarily long user value.

Recommendations For Samsung SmartThings Hub STH-ETH-250 version 0.20.17, as a temporary workaround, consider restricting access to the video-core process until a patch is available. Avoid using arbitrarily long user values in HTTP requests to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2018-3863

Affected Products

Samsung Smartthings Hub

References · 3

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2018-0548 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2018-3863 · Security Note
• https://osv.dev/vulnerability/CVE-2018-3863 · Vendor Advisory