Remote code execution in IBM Tivoli Netcool/OMNIbus WebGUI

1) Code Injection

EUVDB-ID: #VU64034

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-3918

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

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

The vulnerability exists due to insufficient sanitization of user-supplied data during the validation of a JSON object. A remote attacker can pass a specially crafted JSON file for validation and execute arbitrary code.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Tivoli Netcool/OMNIbus WebGUI: 8.1.0 - 8.1.0.26

External links

http://www.ibm.com/support/pages/node/6603645

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.