JVN#85695061
ALFTP may insecurely load executable files
Overview
ALFTP may use unsafe methods for determining how to load executables.
Products Affected
- ALFTP 5.30.0.1 and earlier
Description
ALFTP provided by ESTsoft Corp. is a FTP client software with the built in FTP server. ALFTP contains an issue when loading files.
For example, if an user tries to open README (a file without extention) which exists in the same directory where README.exe (a file with .exe extention) exists, README.exe is executed instead of README.
Impact
An attacker may execute arbitrary code with the privilege of the running application.
Solution
Update the software
Update to ALFTP 5.31 or later according to the information provided by the developer.
References
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
Analyzed on 2012.02.13
| Measures | Conditions | Severity |
|---|---|---|
| Access Required | can be attacked over the Internet using packets |
|
| Authentication | anonymous or no authentication (IP addresses do not count) |
|
| User Interaction Required | the user must be convinced to take a standard action that does not feel harmful to most users, such as click on a link or view a file |
|
| Exploit Complexity | some expertise and/or luck required (most buffer overflows, guessing correctly in small space, expertise in Windows function calls) |
|
Credit
Fumihiko Sano reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
Other Information
| JPCERT Alert | |
| JPCERT Reports | |
| CERT Advisory |
|
| CPNI Advisory |
|
| TRnotes |
|
| CVE |
CVE-2012-0315 |
| JVN iPedia |
JVNDB-2012-000011 |