Multiple vulnerabilities in Tenable Nessus



Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2022-32973
CVE-2022-32974
CWE-ID CWE-78
CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Tenable Nessus
Client/Desktop applications / Software for system administration

Vendor Tenable Network Security

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) OS Command Injection

EUVDB-ID: #VU64482

Risk: Medium

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-32973

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

Description

The vulnerability allows a remote user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation. A remote user can create an audit file that bypasses PowerShell cmdlet checks and executes commands with administrator privileges.


Mitigation

Install update from vendor's website.

Vulnerable software versions

Tenable Nessus: 8.15.0 - 8.15.5

CPE2.3 External links

https://www.tenable.com/security/tns-2022-16


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.

2) Input validation error

EUVDB-ID: #VU64483

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-32974

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exists due to insufficient validation of user-supplied input when processing audit files. A remote user can read arbitrary files from the underlying operating system of the scanner using a custom crafted compliance audit file without providing any valid SSH credentials.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Tenable Nessus: 8.15.0 - 8.15.5

CPE2.3 External links

https://www.tenable.com/security/tns-2022-16


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.



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