Date: Fri, 7 Jun 2002 09:30:34 -0700 (PDT) From: Peter da Silva <peter@abbnm.com> To: freebsd-gnats-submit@FreeBSD.org Subject: misc/38987: FTP anonymous user can create directories Message-ID: <200206071630.g57GUYVE031794@www.freebsd.org>
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>Number: 38987 >Category: misc >Synopsis: FTP anonymous user can create directories >Confidential: no >Severity: serious >Priority: high >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: change-request >Submitter-Id: current-users >Arrival-Date: Fri Jun 07 09:40:01 PDT 2002 >Closed-Date: >Last-Modified: >Originator: Peter da Silva >Release: FreeBSD 4.4-Release >Organization: ABB Network Management >Environment: FreeBSD foyer.abbnm.com 4.4-RELEASE FreeBSD 4.4-RELEASE #0: Thu Apr 25 03:46:49 CDT 2002 root@foyer.abbnm.com:/usr/src/sys/compile/FOYER i386 >Description: anonymous user can make directories under incoming and use ftp server as dropbox for warez. >How-To-Repeat: ftp localhost Username: ftp Password: me@here ftp> cd pub/incoming ftp> mkdir dropbox >Fix: This should probably be made a command line option. I know "this web form should not be used to submit code as plain text", but the patch is straightforward: *** ftpd.c.orig Fri Jun 7 06:40:00 2002 --- ftpd.c Fri Jun 7 06:40:25 2002 *************** *** 2187,2193 **** { LOGCMD("mkdir", name); ! if (mkdir(name, 0777) < 0) perror_reply(550, name); else reply(257, "MKD command successful."); --- 2187,2195 ---- { LOGCMD("mkdir", name); ! if (guest) ! reply(550, "%s: permission denied", name); ! else if (mkdir(name, 0777) < 0) perror_reply(550, name); else reply(257, "MKD command successful."); >Release-Note: >Audit-Trail: >Unformatted: To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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