Title: Multiple Vendor FTP Server Long Command Handling Security Vulnerability
Severity: MODERATE
Description:
FTP servers by multiple vendors are prone to a security vulnerability that allows attackers to perform cross-site request-forgery attacks.
The issue stems from an error in processing long FTP commands. The application truncates an overly long FTP command and interprets the remaining string as a new FTP command.
Attackers can exploit this issue by enticing a user with an active 'ftpd' session into following a malicious link.
Successful exploits can run arbitrary FTP commands on the server in the context of an unsuspecting user's session. This may lead to further attacks.
Affected Products:
- BSD Perimeter pfSense 1.2
- BSD Perimeter pfSense 1.2-RC1
- BSD Perimeter pfSense 1.2-RC2
- BSD Perimeter pfSense 1.2-RC3
- BSD Perimeter pfSense 1.2-RC4
- BSD Perimeter pfSense 1.2.1
- Debian Linux 4.0
- Debian Linux 4.0 alpha
- Debian Linux 4.0 amd64
- Debian Linux 4.0 arm
- Debian Linux 4.0 hppa
- Debian Linux 4.0 ia-32
- Debian Linux 4.0 ia-64
- Debian Linux 4.0 m68k
- Debian Linux 4.0 mips
- Debian Linux 4.0 mipsel
- Debian Linux 4.0 powerpc
- Debian Linux 4.0 s/390
- Debian Linux 4.0 sparc
- FreeBSD FreeBSD 6.3
- FreeBSD FreeBSD 6.3 -RELENG
- FreeBSD FreeBSD 6.4 -RELEASE
- FreeBSD FreeBSD 7.0
- FreeBSD FreeBSD 7.0 -RELENG
- FreeBSD FreeBSD 7.0-RELEASE
- FreeBSD FreeBSD 7.0-STABLE
- FreeBSD FreeBSD 7.1 -PRE-RELEASE
- FreeBSD FreeBSD 7.1 -RELEASE-p1
- Luke Mewburn lukemftp
- MandrakeSoft Corporate Server 3.0.0
- MandrakeSoft Corporate Server 3.0.0 x86_64
- MandrakeSoft Corporate Server 4.0
- MandrakeSoft Corporate Server 4.0.0 x86_64
- MandrakeSoft Linux Mandrake 2008.0
- MandrakeSoft Linux Mandrake 2008.0 x86_64
- MandrakeSoft Linux Mandrake 2008.1
- MandrakeSoft Linux Mandrake 2008.1 x86_64
- MandrakeSoft Linux Mandrake 2009.0
- MandrakeSoft Linux Mandrake 2009.0 x86_64
- NetBSD NetBSD 3.0.0
- NetBSD NetBSD 3.0.1
- NetBSD NetBSD 3.0.2
- NetBSD NetBSD 3.1
- NetBSD NetBSD 3.1
- NetBSD NetBSD 3.1_RC3
- NetBSD NetBSD 4,0_Beta
- NetBSD NetBSD 4.0
- NetBSD NetBSD 4.0 BETA2
- NetBSD NetBSD Current
- OpenBSD OpenBSD 4.3
- ProFTPD Project ProFTPD 1.3.1
- RedHat Fedora 8
- RedHat Fedora 9
- SmbFTPD SmbFTPD 2.1
- tnftpd tnftpd 20080609
References:
- BSD Perimeter: pfSense 1.2.2 released!
- NetBSD: ftpd.c CVS log - Revision 1.164.2.8
- OpenBSD: ftpd.c CVS log - Revision 1.184
- ProFTPD: Bugzilla Bug 3115 Cross-site request forgery
- ProFTPD: ProFTPD Homepage
- SecurityReason: multiple vendor ftpd - Cross-site request forgery
- SmbFTPD: SmbFTPD 2.2 Changelog
- tnftpd: tnftpd 20080929 (Stable)
- tnftpd: tnftpd Product Page
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