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Re: vsftpd problem in deny_hosts


From: Solar Designer <solar () openwall com>
Date: Tue, 3 Feb 2015 12:45:24 +0300

On Tue, Feb 03, 2015 at 09:28:36AM +0100, Marcus Meissner wrote:
IBM reported to us a problem in vsftpd deny_hosts problem.

CVE-2015-1419

https://bugzilla.novell.com/show_bug.cgi?id=915522

Description;
 Set the option "deny_file" in /etc/vsftpd.conf on a top-directory (for example "deny_file=/home/*")
 Then log in with ftp and try to cd to "/home/" first, which will fail, then try to cd to "/./home/" which will 
succeed!
 The latter case shouldn't be possible as well!

What does upstream say about this?  (CC'ing.)

Alexander


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