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Date: Tue, 3 Feb 2015 09:28:36 +0100
From: Marcus Meissner <meissner@...e.de>
To: OSS Security List <oss-security@...ts.openwall.com>
Subject: vsftpd problem in deny_hosts
Hi,
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!
Ciao, Marcus
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