OS Command Injection in node-rules package for NPM

1) OS Command Injection

EUVDB-ID: #VU28103

Risk: High

CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

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 the application does not properly sanitize input rules and passes it directly to an eval call when using the fromJSON function. A remote attacker can send a specially crafted request to the application and execute arbitrary code in the system if the rules are user-controlled.

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

Mitigation

Update to version 5.0.0.

Vulnerable software versions

node-rules: 0.1.0 - 4.0.2

External links

http://www.npmjs.com/advisories/1499

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.