SB2023093012 - Multiple vulnerabilities in SonicWall NetExtender for Windows
Published: September 30, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Improper Privilege Management (CVE-ID: CVE-2023-44217)
CWE-ID: CWE-269 - Improper Privilege Management
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privileges.
The vulnerability exists due to improper privilege management within the repair feature in SonicWall Net Extender MSI client. A local user can execute arbitrary code with elevated privileges.
2) Improper Authentication (CVE-ID: CVE-2023-44218)
CWE-ID: CWE-287 - Improper Authentication
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error in NetExtender Pre-Logon feature. A remote attacker on the local network can gain access to the host Windows operating system with SYSTEM level privileges.
Remediation
Install update from vendor's website.