#VU20462 Arbitrary file upload in FlexAir


Published: 2019-08-29

Vulnerability identifier: #VU20462

Vulnerability risk: High

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-7669

CWE-ID: CWE-434

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
FlexAir
Server applications / SCADA systems

Vendor: Prima Systems

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to improper validation of file extensions when uploading files through the Python script upload. A remote authenticated attacker can upload python applications into directory within application’s web root and execute them with privileges of the web server.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

FlexAir: 2.3.38


External links
http://applied-risk.com/labs/advisories
http://www.applied-risk.com/resources/ar-2019-007


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user 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