Research > Zero-Day Tracker > 20130911
ProFTPd Denial of Service
No patch available.
ProFTPd 1.3.4d and prior
ProFTPd 1.3.5rc3 and prior
A vulnerability within ProFTPd can be triggered when handling specially crafted TCP packets, causing a denial of service condition. This occurs during authentication.
Denial of Service
Exploitation of this vulnerability will render the service on the affected system unresponsive while the memory of the system is exhausted. Attackers can continue sending malicious payloads to continue the denial of service condition indefinitely.
Deactivate the use of keyboard interactive authentication.
BeyondTrust's Retina® Network Security Scanner scans devices to detect for this vulnerability.
30703 - ProFTPD Denial of Service (Zero-Day)
2013-09-11: Original Disclosure
Copyright ©1998-2011 eEye Digital Security
Permission is hereby granted for the redistribution of this alert electronically. It is not to be edited in any way without express consent of eEye. If you wish to reprint the whole or any part of this alert in any other medium excluding electronic medium, please email alert@eEye.com for permission.
The information within this paper may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are no warranties, implied or express, with regard to this information. In no event shall the author be liable for any direct or indirect damages whatsoever arising out of or in connection with the use or spread of this information. Any use of this information is at the user's own risk.