Vulnerability identifier: #VU15685

Vulnerability risk: Medium

CVSSv3.1: 6.6 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-3890

CWE-ID: CWE-78

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Yi Home Camera
Hardware solutions / Firmware

Vendor: YI Technology

Description
The vulnerability allows a physical attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to a logic flaw during insufficient sanitization of user-supplied data. A physical attacker can insert an SD card to inject arbitrary OS commands and execute arbitrary code with elevated privileges. 

Successful exploitation of the vulnerability may result in system compromise.

Mitigation
Update to the latest version.

Vulnerable software versions

Yi Home Camera: 27US 1.8.7.0D

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External links
http://talosintelligence.com/vulnerability_reports/TALOS-2018-0565

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Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.