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 160 bytes. An attacker can send an arbitrarily long "directory" value in order to exploit this vulnerability.

CVSS v3.1

9.9 CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CVSS v3.0

9.9 CRITICALCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CVSS v2.0

9.0 HIGHAV:N/AC:L/Au:S/C:C/I:C/A:C

EPSS

1.80% chance of exploitation in the next 30 days, 77th percentile

Published

2018-09-21

Updated

2024-09-16

Proof-of-concept exploits (1)

• https://talosintelligence.com/vulnerability_reports/TALOS-2018-0555

References

• CVE Record
• NVD entry

Related

• CVE-2018-3876
• CVE-2018-3878
• CVE-2018-3875
• CVE-2018-3879
• CVE-2018-3874
• CVE-2018-3880