What is CVE-2018-3913?

CVE-2018-3913 is a medium-severity vulnerability in Samsung Sth-Eth-250, classified under Out-of-bounds Write. CVSS score: 6.7/10. Published 2018-09-21.

How severe is CVE-2018-3913?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Buffer overflow in Samsung Sth-Eth-250

CVE-2018-3913

An exploitable stack-based buffer overflow vulnerability exists in the retrieval of database fields in the video-core HTTP server of the Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17. The strcpy call overflows the destination buffer, which has a size of 32 bytes. An attacker can send an arbitrarily long "accessKey" value in order to exploit this vulnerability.

Vulnerability class: Buffer Overflow

EPSS: 0.004 (32.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/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

References

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

Frequently asked questions

What is CVE-2018-3913?: CVE-2018-3913 is a medium-severity vulnerability in Samsung Sth-Eth-250, classified under Out-of-bounds Write. CVSS score: 6.7/10. Published 2018-09-21.
How severe is CVE-2018-3913?: Medium severity. CVSS v3 base score is 6.7 out of 10.