#VU79653 Improper Neutralization of Null Byte or NUL Character in NuProcess


Published: 2023-08-17

Vulnerability identifier: #VU79653

Vulnerability 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-2022-39243

CWE-ID: CWE-158

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
NuProcess
Universal components / Libraries / Programming Languages & Components

Vendor: brettwooldridge

Description

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

The vulnerability exists due to a missing check in ProcessBuilder.start. A remote unauthenticated attacker can use NUL characters in their strings to perform command line injection.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

NuProcess: 1.0.2 - 2.0.4


External links
http://github.com/brettwooldridge/NuProcess/commit/29bc09de561bf00ff9bf77123756363a9709f868
http://github.com/brettwooldridge/NuProcess/security/advisories/GHSA-cxgf-v2p8-7ph7
http://github.com/brettwooldridge/NuProcess/pull/143


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.


Latest bulletins with this vulnerability