Vulnerability identifier: #VU9416

Vulnerability risk: High

CVSSv3.1: 8.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2017-2854

CWE-ID: CWE-120

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
IP Video Camera Firmware
Hardware solutions / Firmware

Vendor: Foscam

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

The weakness exists due to buffer overflow in the DDNS client. A remote attacker who is able to intercept HTTP connections can create a rogue HTTP server, trigger memory corruption and execute arbitrary code 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-2017-0357

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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. However, proof of concept for this vulnerability is available.