Microsoft Windows SMB Registry : WinVNC's Key Permissions

high Nessus Plugin ID 10553

Synopsis

Local users can connect to the system remotely.

Description

The registry key HKLM\Software\ORL\WinVNC3 is writeable and/or readable by users who are not in the admin group.

This key contains the VNC password of this host, as well as other configuration setup.

As this program allows remote access to this computer with the privileges of the currently logged on users, you should fix this problem.

Solution

Use regedt32 and set the permissions of this key to :

- admin group : Full Control
- system : Full Control
- everyone : No access

Plugin Details

Severity: High

ID: 10553

File Name: smb_reg_winvnc_perms.nasl

Version: 1.33

Type: local

Agent: windows

Family: Windows

Published: 11/20/2000

Updated: 7/30/2018

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 6.7

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Vulnerability Information

Required KB Items: SMB/name, SMB/login, SMB/password, SMB/registry_access, SMB/transport

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 11/18/2000

Reference Information

CVE: CVE-2000-1164

BID: 1961

Detections

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