CVE-2019-17662 Information

Description

ThinVNC 1.0b1 is vulnerable to arbitrary file read which leads to a compromise of the VNC server. The vulnerability exists even when authentication is turned on during the deployment of the VNC server. The password for authentication is stored in cleartext in a file that can be read via a ../../ThinVnc.ini directory traversal attack vector.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://packetstormsecurity.com/files/154896/ThinVNC-1.0b1-Authentication-Bypass.html https://github.com/bewest/thinvnc/issues/5 https://github.com/shashankmangal2/Exploits/blob/master/ThinVNC-RemoteAccess/POC.py https://redteamzone.com/ThinVNC/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8