Denial of service in Nessus

Published: 2019-08-14 | Updated: 2019-08-14
Severity Low
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2019-3974
CWE ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software Tenable Nessus Subscribe
Vendor Tenable Network Security

Security Advisory

This security advisory describes one low risk vulnerability.

1) Input validation error

Severity: Low

CVSSv3: 3.8 [CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-3974

CWE-ID: CWE-20 - Improper Input Validation

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote authenticated attacker can overwrite arbitrary files on the system.

Note, vulnerability affects Windows version of Nessus.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Tenable Nessus: 8.0.0, 8.0.1, 8.1.0, 8.1.1, 8.1.2, 8.2.0, 8.2.1, 8.2.2, 8.2.3, 8.3.0, 8.3.1, 8.3.2, 8.4.0, 8.5.0, 8.5.1, 8.5.2

CPE External links

https://www.tenable.com/security/tns-2019-05

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.