CVE-2025-5548

Breaking FreeFloat FTP: analysis and exploitation of CVE-2025-5548 Anderson Steven — Master in Cybersecurity, Module 6 Vulnerabilities Individual assignment: Methodology for vulnerability analysis and exploitation Why this repository I did not want to simply hand in "here is the exploit working"...

CVE-2025-5548

CVE-2025-5548 Security research and technical analysis of CVE-2025-5548, a buffer overflow vulnerability affecting FreeFloat FTP Server 1.0. This repository documents vulnerability behaviour, attack surface analysis, controlled proof of concept testing, and defensive observations within a safe la...

CVE-2025-5548-FreeFloat-FTP-Lab

Lab scripts This folder gathers the reproducible artifacts associated with the CVE-2025-5548 / FreeFloat FTP Server 1.0 lab. The teaching sequence and naming follow the reference teaching material from TheMalwareGuardian, while these versions have been rebuilt for this repository from the...

CVE-2025-5548

🚀 CVE-2025-5548 - FreeFloat FTP Server 1.0 Exploitation Professional vulnerability analysis & full remote buffer overflow exploitation 🎯 Project Highlights Complete real-world case study of CVE-2025-5548 remote stack-based buffer overflow in FreeFloat FTP Server 1.0 via NOOP command Manual tool...

CVE-2025-5548-POC

CVE-2025-5548-POC Vulnerability Description CVE-2025-5548 is a stack buffer overflow vulnerability identified in FreeFloat FTP Server, a legacy FTP service for Windows systems. The flaw resides in the NOOP command handler, which does not validate input size before copying it into a fixed-size...

CVE-2025-5548

Exploitation and Vulnerability Analysis Document purpose: Reflect on the knowledge acquired during the lab deployment, detail the exploitation process for CVE-2025-5548, and outline the next steps toward unknown vulnerability 0-day research. 1. My Vision on Vulnerability Research Throughout this...

CentOS Linux 8.5 [TuxCare] Security Update: dovecot / dovecot-devel / dovecot-mysql / dovecot-pgsql / etc (CENTOS8.5:CLSA-2026:1777978787)

The CentOS Linux 8.5 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.5:CLSA-2026:1777978787 advisory. - Sending NOOP ... command with 4000 parenthesis open+close results in 1MB extra memory usage. Longer commands will result in client...

CentOS Linux 6 [TuxCare] Security Update: dovecot / dovecot-devel / dovecot-mysql / dovecot-pgsql / etc (CENTOS6:CLSA-2026:1778250399)

The CentOS Linux 6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS6:CLSA-2026:1778250399 advisory. - Sending NOOP ... command with 4000 parenthesis open+close results in 1MB extra memory usage. Longer commands will result in client disconnectio...

Rocky Linux 10.1 [CIQ] Security Update: dovecot / dovecot-debuginfo / dovecot-debugsource / dovecot-devel / etc Multiple Vulnerabilities (crlsa-2026_13498)

The Rocky Linux 10.1 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202613498 advisory. dovecot: ManageSieve: Denial of Service via crafted SASL initial response in AUTHENTICATE command CVE-2025-59032 dovecot: denial of service via crafted...

Rocky Linux 8 [CIQ] Security Update: dovecot / dovecot-debuginfo / dovecot-debugsource / dovecot-devel / etc Multiple Vulnerabilities (crlsa-2026_13830)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202613830 advisory. dovecot: ManageSieve: Denial of Service via crafted SASL initial response in AUTHENTICATE command CVE-2025-59032 dovecot: denial of service via crafted...

CentOS Linux 8 [TuxCare] Security Update: dovecot / dovecot-devel / dovecot-mysql / dovecot-pgsql / etc (CENTOS-STREAM8:CLSA-2026:1777977059)

The CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS- STREAM8:CLSA-2026:1777977059 advisory. - Sending NOOP ... command with 4000 parenthesis open+close results in 1MB extra memory usage. Longer commands will result in client...

Rocky Linux 9 [CIQ] Security Update: dovecot / dovecot-debuginfo / dovecot-debugsource / dovecot-devel / etc Multiple Vulnerabilities (crlsa-2026_19364)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202619364 advisory. dovecot: ManageSieve: Denial of Service via crafted SASL initial response in AUTHENTICATE command CVE-2025-59032 dovecot: denial of service via crafted...

Rocky Linux 10.2 [CIQ] Security Update: dovecot / dovecot-debuginfo / dovecot-debugsource / dovecot-devel / etc Multiple Vulnerabilities (crlsa-2026_19149)

The Rocky Linux 10.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202619149 advisory. dovecot: ManageSieve: Denial of Service via crafted SASL initial response in AUTHENTICATE command CVE-2025-59032 dovecot: denial of service via crafted...

AlmaLinux 9.2 [TuxCare] Security Update: dovecot / dovecot-devel / dovecot-mysql / dovecot-pgsql / etc (ALMALINUX9.2:CLSA-2026:1778022490)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1778022490 advisory. - Sending NOOP ... command with 4000 parenthesis open+close results in 1MB extra memory usage. Longer commands will result in client...

CentOS Linux 8.4 [TuxCare] Security Update: dovecot / dovecot-devel / dovecot-mysql / dovecot-pgsql / etc (CENTOS8.4:CLSA-2026:1777976700)

The CentOS Linux 8.4 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.4:CLSA-2026:1777976700 advisory. - Sending NOOP ... command with 4000 parenthesis open+close results in 1MB extra memory usage. Longer commands will result in client...

Exploit for Improper Restriction of Operations within the Bounds of a Memory Buffer in Freefloat Freefloat_Ftp_Server

CVE-2025-5548 — FreeFloat FTP Server 1.0 Laboratorio académic...

Astra Linux – Vulnerability in dovecot

Sending the “NOOP ...” command with 4000 opening and closing parentheses results in an additional 1MB of memory usage. Longer commands will cause the client to disconnect. This 1MB of memory can be reserved for longer periods of time by not sending the command that ends with LF. Thus, an attacker...

dovecot security update

1:2.3.21-19 - update release for rebuild 1:2.3.21-18 - fix CVE-2026-27858: denial of service via crafted message before authentication RHEL-161626 - fix CVE-2025-59032: ManageSieve: Denial of Service via crafted SASL initial response in AUTHENTICATE command RHEL-162274 - fix CVE-2026-27857: denia...

MiracleLinux 9 : dovecot-2.3.16-18.el9_8 (AXSA:2026-1023:04)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1023:04 advisory. dovecot: ManageSieve: Denial of Service via crafted SASL initial response in AUTHENTICATE command CVE-2025-59032 dovecot: denial of service via...

dovecot security update

1:2.3.16-18 - rebuild 1:2.3.16-17 - fix CVE-2026-27858: denial of service via crafted message before authentication RHEL-161640 - fix CVE-2025-59032: ManageSieve: Denial of Service via crafted SASL initial response in AUTHENTICATE command RHEL-162288 - fix CVE-2026-27857: denial of service via...