CVE-2018-3920 — MEDIUM (6.8)

Vulnerability Description

An exploitable code execution vulnerability exists in the firmware update functionality of the Yi Home Camera 27US 1.8.7.0D. A specially crafted 7-Zip file can cause a CRC collision, resulting in a firmware update and code execution. An attacker can insert an SDcard to trigger this vulnerability.

CVSS Score

6.8

MEDIUM

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

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Yitechnology	Yi Home Camera Firmware	1.8.7.0d
Yitechnology	Yi Home Camera	-

References

https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0584ExploitThird Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0584ExploitThird Party Advisory

FAQ

What is CVE-2018-3920?

CVE-2018-3920 is a vulnerability with a CVSS score of 6.8 (MEDIUM). An exploitable code execution vulnerability exists in the firmware update functionality of the Yi Home Camera 27US 1.8.7.0D. A specially crafted 7-Zip file can cause a CRC collision, resulting in a fi...

How severe is CVE-2018-3920?

CVE-2018-3920 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-3920?

Check the references section above for vendor advisories and patch information. Affected products include: Yitechnology Yi Home Camera Firmware, Yitechnology Yi Home Camera.