#VU57329 Use-after-free


Published: 2021-10-13

Vulnerability identifier: #VU57329

Vulnerability risk: High

CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-21941

CWE-ID: CWE-416

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 compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the pushMuxer CreatePushThread functionality. A remote attacker can send a specially crafted packet and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

eufyCam 2: 2.1.6.9h

CPE

External links
http://talosintelligence.com/vulnerability_reports/TALOS-2021-1370


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