#VU11865 OS command injection


Published: 2018-04-18

Vulnerability identifier: #VU11865

Vulnerability risk: Low

CVSSv3.1: 8.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2017-12121

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Moxa EDR-810
Server applications / SCADA systems

Vendor: Moxa

Description
The vulnerability allows a remote attacker to inject and execute arbitrary commands with elevated privileges on the target system.

The weakness exists in the web server functionality due to OS command injection. A remote attacker can submit a specially crafted HTTP POST and execute arbitrary commands with root privileges into the rsakey_name= parm in the "/goform/WebRSAKEYGen" uri.

Mitigation
Update to version 4.2.

Vulnerable software versions

Moxa EDR-810: 4.1


CPE

External links
http://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0473


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.


Latest bulletins with this vulnerability