Buffer Overflow Vulnerability in Samsung SmartThings Hub
CVE-2018-3874

9.9CRITICAL

Key Information:

Vendor

Samsung
Status
Smartthings Hub Sth-eth-250
Vendor
CVE Published:
21 September 2018

What is CVE-2018-3874?

A buffer overflow vulnerability exists in the credentials handler of the Samsung SmartThings Hub, specifically in its HTTP server functionality. This flaw allows an attacker to exploit the device by sending an excessively long 'accessKey' value, resulting in a potential overflow of the destination buffer, which is limited to 32 bytes. Successful exploitation could lead to unauthorized access or manipulation of the device's behavior. It is crucial for users of the SmartThings Hub to remain aware of this vulnerability and to apply any available patches to secure their smart home environment.

Affected Version(s)

SmartThings Hub STH-ETH-250 Firmware version 0.20.17

References

https://talosintelligence.com/vulnerability_reports/TALOS...
x_refsource_MISC

CVSS V3.1

Score:
9.9
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2018-3874 : Buffer Overflow Vulnerability in Samsung SmartThings Hub