FreeFloat FTP Server Buffer Overflow Vulnerability in LITERAL Command Handler

Vulnerability

A critical buffer overflow vulnerability has been identified in FreeFloat FTP Server version 1.0.0. The issue arises in the LITERAL Command Handler, where an unknown function is manipulated, allowing for remote exploitation. The vulnerability has been publicly disclosed and could be actively exploited.

Impact

Exploitation of this vulnerability leads to a buffer overflow, which can commonly result in arbitrary code execution or causing a denial-of-service condition.

Reproduction

The vulnerability can be reproduced by sending a crafted LITERAL command that includes a payload designed to overflow the buffer. This can be done using a TCP connection to the FTP server's port 21. The payload should be carefully crafted to include the desired exploit, such as a reverse shell, while avoiding null bytes and newline characters.

Added: Jun 9, 2025, 7:46 PM
Updated: Jun 9, 2025, 7:46 PM

Vulnerability Rating

Custom Algorithm
spread
1.0
impact
7.5
exploitability
9.7
remediation
0.0
relevance
0.0
threat
6.4
urgency
2.9
incentive
10.0

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.