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Category:   Application (File Transfer/Sharing)  >   FTP (Generic) Vendors:   FreeBSD, NetBSD, OpenBSD
BSD ftpd Request Processing Bug Permits Cross-Site Request Forgery Attacks
SecurityTracker Alert ID:  1020946
SecurityTracker URL:
CVE Reference:   CVE-2008-4247   (Links to External Site)
Date:  Sep 25 2008
Impact:   Execution of arbitrary code via network
Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in ftpd on BSD-based systems. A remote user can conduct cross-site request forgery attacks.

Long 'ftp://' URLs may be split by the FTP server into multiple requests. A remote user can create a specially crafted 'ftp://' URL that, when loaded by the authenticated target user, will cause arbitrary commands to be executed on the target FTP server with the privileges of the target user.

Maksymilian Arciemowicz of reported this vulnerability.

Impact:   A remote user can cause arbitrary commands to be executed by the authenticated target user on the target ftpd site.
Solution:   A fix for OpenBSD is available via CVS.
Cause:   Input validation error
Underlying OS:  UNIX (FreeBSD), UNIX (NetBSD), UNIX (OpenBSD)

Message History:   None.

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