#VU71333 Input validation error in Tenable Nessus - CVE-2023-0101

Vulnerability identifier: #VU71333

Vulnerability risk: Medium

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-0101

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Tenable Nessus
Client/Desktop applications / Software for system administration

Vendor: Tenable Network Security

Description

The vulnerability allows a remote user to compromise the affected system.

The vulnerability exists due to insufficient validation of user-supplied input. A remote authenticated user can execute a specially crafted file to obtain root or NT AUTHORITY / SYSTEM privileges on the Nessus host.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Tenable Nessus: 8.0.0 - 10.4.1

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External links
https://www.tenable.com/security/tns-2023-01
https://www.tenable.com/security/tns-2023-02

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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.