#VU58446 Buffer overflow in eufyCam 2


Published: 2021-11-30

Vulnerability identifier: #VU58446

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-21951

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
eufyCam 2
Hardware solutions / Security hardware applicances

Vendor: Eufy

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the "read_udp_push_config_file" function in the CMD_DEVICE_GET_SERVER_LIST_REQUEST functionality of the home_security binary. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

eufyCam 2: 2.1.6.9h


External links
http://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1378


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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


Latest bulletins with this vulnerability