SB2022081205 - Multiple vulnerabilities in Tenable Nessus

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Main Vulnerability Database SB2022081205

SB2022081205 - Multiple vulnerabilities in Tenable Nessus

Published: August 12, 2022

Security Bulletin ID SB2022081205
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) OS Command Injection (CVE-ID: CVE-2022-32973)

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

CVSSv4: 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


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.



2) Input validation error (CVE-ID: CVE-2022-32974)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 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


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.


Remediation

Install update from vendor's website.

References