CVE-2018-3925 — HIGH (8.5) — White Hats Nepal

Vulnerability Description

An exploitable buffer overflow vulnerability exists in the remote video-host communication of video-core's HTTP server of Samsung SmartThings Hub STH-ETH-250 devices with firmware version 0.20.17. The video-core process insecurely parses the AWSELB cookie while communicating with remote video-host servers, leading to a buffer overflow on the heap. An attacker able to impersonate the remote HTTP servers could trigger this vulnerability.

CVSS Score

8.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

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-119

References

https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0591ExploitThird Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0591ExploitThird Party Advisory

FAQ

What is CVE-2018-3925?

CVE-2018-3925 is a vulnerability with a CVSS score of 8.5 (HIGH). An exploitable buffer overflow vulnerability exists in the remote video-host communication of video-core's HTTP server of Samsung SmartThings Hub STH-ETH-250 devices with firmware version 0.20.17. The...

How severe is CVE-2018-3925?

CVE-2018-3925 has been rated HIGH with a CVSS base score of 8.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-3925?

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