#VU16712 Improper input validation in Yi Home Camera - CVE-2018-3920
Published: December 26, 2018
Vulnerability identifier: #VU16712
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2018-3920
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Yi Home Camera
Yi Home Camera
Software vendor:
YI Technology
YI Technology
Description
The vulnerability allows a physical attacker to execute arbitrary code on the target system.
The vulnerability exists due to an error in the firmware update functionality during insufficient sanitization of user-supplied data. A physical attacker can insert an SDcard containing 7-Zip file, trigger a CRC collision and execute arbitrary code with elevated privileges.
Successful exploitation of the vulnerability may result in system compromise.
Remediation
Update to the latest version.