AbsoluteTelnet Denial-of-Service Vulnerability

A denial-of-service vulnerability has been identified in AbsoluteTelnet version 11.12. This vulnerability allows local attackers to crash the application by entering an excessively long license name. By generating a payload of 2500 characters and pasting it into the license name field, the application can be forced to crash.

Impact

Exploiting this vulnerability leads to a crash of the AbsoluteTelnet application, causing a denial-of-service condition.

Reproduction

The vulnerability can be reproduced by pasting a 2500-character payload into the license name field of AbsoluteTelnet 11.12. This can be done by copying the payload from a text file into the license name input when prompted to enter a license key.