#VU80113 Input validation error in Tenable Nessus - CVE-2023-3252

Vulnerability identifier: #VU80113

Vulnerability risk: Low

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-3252

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 perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote privileged user can alter logging variables to overwrite arbitrary files on the remote host with log data, which could lead to a denial of service condition.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Tenable Nessus: 10.0.0 - 10.5.4

---

External links
https://www.tenable.com/security/tns-2023-29
https://www.tenable.com/security/tns-2023-31

---

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.