-----Original Message----- From: ISS XForce Sent: Tuesday, September 23, 2003 10:54 AM To: first-teams@first.org Subject: ISS Security Brief: ProFTPD ASCII File Remote Compromise Vulnerability *** PGP SIGNATURE VERIFICATION *** *** Status: Good Signature *** Signer: X-Force <xforce@iss.net> (0x7DF5E1BD) *** Signed: 9/23/2003 10:52:05 AM *** Verified: 9/23/2003 11:51:58 AM *** BEGIN PGP VERIFIED MESSAGE *** Internet Security Systems Security Brief September 23, 2003 ProFTPD ASCII File Remote Compromise Vulnerability Synopsis: ISS X-Force has discovered a flaw in the ProFTPD Unix FTP server. ProFTPD is a highly configurable FTP (File Transfer Protocol) server for Unix that allows for per-directory access restrictions, easy configuration of virtual FTP servers, and support for multiple authentication mechanisms. A flaw exists in the ProFTPD component that handles incoming ASCII file transfers. Impact: An attacker capable of uploading files to the vulnerable system can trigger a buffer overflow and execute arbitrary code to gain complete control of the system. Attackers may use this vulnerability to destroy, steal, or manipulate data on vulnerable FTP sites. Affected Versions: ProFTPD 1.2.7 ProFTPD 1.2.8 ProFTPD 1.2.8rc1 ProFTPD 1.2.8rc2 ProFTPD 1.2.9rc1 ProFTPD 1.2.9rc2 Note: Versions previous to version 1.2.7 may also be vulnerable. For the complete ISS X-Force Security Advisory, please visit: http://xforce.iss.net/xforce/alerts/id/154 ______ About Internet Security Systems (ISS) Founded in 1994, Internet Security Systems (ISS) (Nasdaq: ISSX) is a pioneer and world leader in software and services that protect critical online resources from an ever-changing spectrum of threats and misuse. Internet Security Systems is headquartered in Atlanta, GA, with additional operations throughout the Americas, Asia, Australia, Europe and the Middle East. Copyright (c) 2003 Internet Security Systems, Inc. All rights reserved worldwide. Permission is hereby granted for the electronic redistribution of this document. It is not to be edited or altered in any way without the express written consent of the Internet Security Systems X-Force. If you wish to reprint the whole or any part of this document in any other medium excluding electronic media, please email xforce@iss.net for permission. Disclaimer: 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 otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information. X-Force PGP Key available on MIT's PGP key server and PGP.com's key server, as well as at http://www.iss.net/security_center/sensitive.php Please send suggestions, updates, and comments to: X-Force xforce@iss.net of Internet Security Systems, Inc. *** END PGP VERIFIED MESSAGE *** -+#+--+#+--+#+--+#+--+#+--+#+--+#+--+#+--+#+--+#+--+#+--+#+--+#+--+#+--+ This message was posted through the FIRST mailing list server. Contact your team's FIRST representative to (un)subscribe, DO NOT REDISTRIBUTE BEYOND MEMBERS OF FIRST TEAMS UNLESS THE AUTHOR OF THIS MESSAGE GRANTS EXPRESS PERMISSION TO REDISTRIBUTE -+#+--+#+--+#+--+#+--+#+--+#+--+#+--+#+--+#+--+#+--+#+--+#+--+#+--+#+--+