Vulnerability identifier: #VU9420

Vulnerability risk: High

CVSSv3.1: 8.9 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2017-2873

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
IP Video Camera Firmware
Hardware solutions / Firmware

Vendor: Foscam

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

The weakness exists due to insufficient security checks in the recovery procedure. A remote attacker can send a malicious HTTP request, inject arbitrary shell characters during the SoftAP configuration and execute shell commands with elevated privileges.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation
Install update from vendor's website.

Vulnerable software versions

IP Video Camera Firmware: 2.52 (.2.43)

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External links
http://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0380

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.