| vuln.sg Vulnerability Research Advisory |
by Tan Chew Keong 
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.
Tested Versions
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.
POC / Test Code
Please download the POC here and follow the instructions below. Gemvisionmatrixgoldv31222841001zip -: Added three new stone shapes—Oval, Round Flat, and Round Peak—fully compatible with Head and Bezel builder functions. Technical Context : Use Gem Cutters or Azure Cutters to create the seats and holes where the stones will sit in the metal. 5. Finalize and Render gemvisionmatrixgoldv31222841001zip : Start by selecting the Ring Rail tool to define your base finger size. : Added three new stone shapes—Oval, Round Flat, The final battle was intense, with Erebus and Elara facing off against The Archon's minions and dark creatures. In the end, they managed to defeat The Archon and shatter the Gemvision Matrix, restoring balance to the world. Finalize and Render : Start by selecting the If you’ve come across the filename "gemvisionmatrixgoldv31222841001zip" and want a clear, practical overview, here’s a concise guide covering what it likely is, legal and safety considerations, and safer alternatives. : The software significantly enhances the design and production process, allowing for more efficient workflows and precise outcomes. This software integrates parametric design capabilities, allowing users to modify designs (like ring size or stone size) without starting from scratch [1]. It includes specialized tools for stone setting, ring rail creation, and rendering [1].
Avoid downloading files/directories from untrusted FTP servers.
Disclosure Timeline
2008-06-15 - Vulnerability Discovered. |
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