What is CVE-2018-3893?

CVE-2018-3893 is a high-severity vulnerability in Samsung Sth-Eth-250, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2018-08-27.

How severe is CVE-2018-3893?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2018-3893 known to be exploited?

4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Samsung Sth-Eth-250

CVE-2018-3893

An exploitable buffer overflow vulnerability exists in the /cameras/XXXX/clips handler of video-core's HTTP server of Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17. The video-core process incorrectly extracts fields from a user-controlled JSON payload, leading to a buffer overflow on the stack. An attacker can send an HTTP request to trigger this vulnerability.

Vulnerability class: Buffer Overflow

EPSS: 0.018 (76.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Samsung Sth-eth-250
Samsung Sth-eth-250_firmware — versions 0.20.17
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

References

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

Frequently asked questions

What is CVE-2018-3893?: CVE-2018-3893 is a high-severity vulnerability in Samsung Sth-Eth-250, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2018-08-27.
How severe is CVE-2018-3893?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2018-3893 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.