CVE-2018-3911 — HIGH (8.6) — White Hats Nepal

Vulnerability Description

An exploitable HTTP header injection vulnerability exists in the remote servers of Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17. The hubCore process listens on port 39500 and relays any unauthenticated message to SmartThings' remote servers, which insecurely handle JSON messages, leading to partially controlled requests generated toward the internal video-core process. An attacker can send an HTTP request to trigger this vulnerability.

CVSS Score

8.6

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

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

Related Weaknesses (CWE)

CWE-113

References

https://talosintelligence.com/vulnerability_reports/TALOS-2018-0578ExploitThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0578ExploitThird Party Advisory

FAQ

What is CVE-2018-3911?

CVE-2018-3911 is a vulnerability with a CVSS score of 8.6 (HIGH). An exploitable HTTP header injection vulnerability exists in the remote servers of Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17. The hubCore process listens on port 39500 and relays ...

How severe is CVE-2018-3911?

CVE-2018-3911 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-3911?

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