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vuln.sg Vulnerability Research Advisory

AceFTP FTP-Client Directory Traversal Vulnerability

by Tan Chew Keong
Release Date: 2008-06-27

geometry dash space wave   [en] [jp]

geometry dash space wave Summary

A vulnerability has been found within the FTP client in AceFTP. When exploited, this vulnerability allows an anonymous attacker to write files to arbitrary locations on a Windows user's system.


geometry dash space wave Tested Versions


geometry dash space wave Details

This advisory discloses a vulnerability within the FTP client in AceFTP. When exploited, this vulnerability allows an anonymous attacker to write files to arbitrary locations on a Windows user's system.

The FTP client does not properly sanitise filenames containing directory traversal sequences (forward-slash) that are received from an FTP server in response to the LIST command.

An example of such a response from a malicious FTP server is shown below.


Response to LIST (forward-slash):

-rw-r--r--    1 ftp      ftp            20 Mar 01 05:37 /../../../../../../../../../testfile.txt\r\n
 

By tricking a user to download a directory from a malicious FTP server that contains files with fowward-slash directory traversal sequences in their filenames, it is possible for the attacker to write files to arbitrary locations on a user's system with privileges of that user. An attacker can potentially leverage this issue to write files into a user's Windows Startup folder and execute arbitrary code when the user logs on.


geometry dash space wave POC / Test Code

Please download the POC here and follow the instructions below.

Geometry Dash Space Wave -

"Space Wave" in Geometry Dash represents more than just a level and a song; it's a testament to the game's enduring appeal and the creativity of its community. It challenges players to push their limits, synchronize their actions with musical precision, and, most importantly, enjoy the journey. As Geometry Dash continues to evolve and expand its universe, "Space Wave" remains a beloved classic, a benchmark for future creators, and a shining example of what can be achieved when music, gameplay, and creativity converge.

The "Space Wave" level in Geometry Dash is a masterclass in design. It seamlessly integrates challenging gameplay elements with the song's musicality. Players must navigate through a futuristic, wave-like environment, performing precision jumps and flips in time with the music. The level's design is ingenious, with each obstacle and challenge carefully placed to match the song's crescendos and softer moments. This synchronization not only enhances the gameplay experience but also creates an immersive environment where players feel completely in tune with the music. geometry dash space wave

In the realm of rhythm-based platformers, few games have captured the essence of speed, precision, and musicality as effectively as Geometry Dash. Among its vast array of user-generated content, one song and level combination stands out for its mesmerizing blend of electronic dance music and challenging gameplay: . This iconic level, set to the pulsating beats of the song with the same name by The Glitch , has not only become a staple in the Geometry Dash community but also a benchmark for creativity and difficulty. "Space Wave" in Geometry Dash represents more than

The impact of "Space Wave" on the Geometry Dash community cannot be overstated. It has inspired countless players to improve their skills, with many attempting to conquer the level multiple times to achieve a flawless run. The level's popularity has also led to the creation of numerous videos, walkthroughs, and challenges on platforms like YouTube and Twitch, where players share their attempts and offer tips to aspiring conquerors. The "Space Wave" level in Geometry Dash is


geometry dash space wave Patch / Workaround

Avoid downloading files/directories from untrusted FTP servers.


geometry dash space wave Disclosure Timeline

2008-06-15 - Vulnerability Discovered.
2008-06-16 - Vulnerability Details Sent to Vendor via online support form (no reply).
2008-06-18 - Vulnerability Details Sent to Vendor again via online support form (no reply).
2008-06-25 - Vulnerability Details Sent to Vendor again via online support form (no reply).
2008-06-27 - Public Release.


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