What is CVE-2018-3877?

CVE-2018-3877 is a critical-severity vulnerability in Samsung Smartthings Hub Sth-eth-250, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.9/10. Published 2018-09-21.

How severe is CVE-2018-3877?

Critical severity. CVSS v3 base score is 9.9 out of 10.

Buffer overflow in Samsung Smartthings Hub Sth-eth-250

CVE-2018-3877

An exploitable buffer overflow vulnerability exists in the credentials handler of video-core's HTTP server of Samsung SmartThings Hub STH-ETH-250-Firmware version 0.20.17. The strncpy overflows the destination buffer, which has a size of 1…

Vulnerability class: Buffer Overflow

EPSS: 0.018 (75.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Samsung Smartthings Hub Sth-eth-250 — versions Firmware version 0.20.17
Samsung Sth-eth-250
Samsung Sth-eth-250_firmware — versions 0.20.17

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

talos-cna@cisco.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-3877?: CVE-2018-3877 is a critical-severity vulnerability in Samsung Smartthings Hub Sth-eth-250, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.9/10. Published 2018-09-21.
How severe is CVE-2018-3877?: Critical severity. CVSS v3 base score is 9.9 out of 10.