#VU83307 Arbitrary file upload in Tenable Nessus - CVE-2023-6062

Vulnerability identifier: #VU83307

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-6062

CWE-ID: CWE-434

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 perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of file during file upload. A remote user with administrative privileges can alter Nessus Rules variables and overwrite arbitrary files on the remote host, leading to denial of service.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Tenable Nessus: 10.5.0 - 10.6.2

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External links
https://www.tenable.com/security/tns-2023-39
https://www.tenable.com/security/tns-2023-40

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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.