Threat Encyclopedia

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

description-logoDescription

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-logoAffected 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.

recomended-action-logoRecommended Actions

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

CVE References

CVE-2019-8276