Intrusion Prevention

UltraVNC.VNC.Server.File.Transfer.Request.Stack.Buffer.Overflow

Description

This indicates an attack attempt to exploit a Buffer Overflow Vulnerability in UltraVNC Project UltraVNC
A remote attacker can exploit this vulnerability by sending malicious packets to an UltraVNC server. Successful exploitation could result in denial of service conditions on the target server.

Affected Products

UltraVNC Project UltraVNC prior to revision 1212
UltraVNC Project UltraVNC 1.2.2.3 and earlier

Impact

Denial of Service: Remote attackers can crash vulnerable systems.

Recommended Actions

Apply the most recent upgrade or patch from the vendor.
https://sourceforge.net/p/ultravnc/code/1212/

CVE References

CVE-2019-8276