Fathom Buffer Overflow Vulnerability Leading to Denial-of-Service

A buffer overflow vulnerability has been identified in Fathom version 2.4, specifically within the Authorization Code field. This vulnerability allows local attackers to cause a denial-of-service condition by submitting an oversized input string. By pasting a 6000-byte payload into the Authorization Code field and clicking 'Activate', the application crashes, demonstrating the exploitability of this issue.

Impact

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

Reproduction

The vulnerability can be reproduced by running the Fathom application and navigating to the Authorization Code field. After pasting a 6000-byte payload into the field and clicking 'Activate', the application will crash, indicating successful exploitation.