Intrusion PreventionTightVNC.Viewer.FramebufferUpdate.Handling.Buffer.Overflow
Description
This indicates an attack attempt to exploit a Buffer Overflow Vulnerability in TightVNC.
The vulnerability is due to the application improper handling of messages. A remote attacker could exploit this to execute arbitrary code within the context of the application, via a crafted message.
Affected Products
TightVNC Viewer prior to 2.8.63
Impact
System Compromise: Remote attackers can gain control of vulnerable systems.
Recommended Actions
TightVNC has not released an advisory or patch regarding this vulnerability.
Telemetry
Coverage
| IPS (Regular DB) | |
| IPS (Extended DB) |
| ID | 51670 |
| Created | Jun 13, 2022 |
| Updated | Jun 05, 2023 |
| Risk |
|
| CVE ID | CVE-2021-42785 |
| Exploit Prediction Score | 0.57% |
| Default Action | drop |
| Active | |
| Affected OS | Windows, Linux |
| Affected App | Other |