CVE-2018-3894 — HIGH (8.8) — White Hats Nepal

Vulnerability Description

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 strncpy call overflows the destination buffer, which has a size of 52 bytes. An attacker can send an arbitrarily long "startTime" value in order to exploit this vulnerability.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Samsung	Sth-Eth-250 Firmware	0.20.17
Samsung	Sth-Eth-250	-

Related Weaknesses (CWE)

CWE-120

References

https://talosintelligence.com/vulnerability_reports/TALOS-2018-0570ExploitThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0570ExploitThird Party Advisory

FAQ

What is CVE-2018-3894?

CVE-2018-3894 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 strncpy call ove...

How severe is CVE-2018-3894?

CVE-2018-3894 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-3894?

Check the references section above for vendor advisories and patch information. Affected products include: Samsung Sth-Eth-250 Firmware, Samsung Sth-Eth-250.