Command Injection in promise-probe wrapper for FFprobe

1) OS Command Injection

EUVDB-ID: #VU25349

Risk: High

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-2019-10791

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation within the "ffprobe"(file) and "createMuteOgg"(outputFile, options) functions. A remote unauthenticated attacker can execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

PoC:

var root = require("promise-probe");

root.ffprobe("& touch JHU");

root.createMuteOgg("123",{seconds:"& touch JHU &"});

root.createMuteOgg("& touch JHU",{});

Mitigation

Install updates from vendor's website.

Vulnerable software versions

promise-probe: 0.1.0 - 0.1.9

External links

http://snyk.io/vuln/SNYK-JS-PROMISEPROBE-546816
http://github.com/dottgonzo/node-promise-probe/commit/0d9affb67fc1ad985903536d35372cf55efe5a45

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.