Fedora 11: proftpd Security Update
Summary
ProFTPD is an enhanced FTP server with a focus toward simplicity, security,
and ease of configuration. It features a very Apache-like configuration
syntax, and a highly customizable server infrastructure, including support for
multiple 'virtual' FTP servers, anonymous FTP, and permission-based directory
visibility.
This package defaults to the standalone behaviour of ProFTPD, but all the
needed scripts to have it run by xinetd instead are included.
Update Information:
This update fixes CVE-2009-3639, in which proftpd's mod_tls, when the dNSNameRequired TLS option is enabled, does not properly handle a '\0' character in a domain name in the Subject Alternative Name field of an X.509 client certificate. This allows remote attackers to bypass intended client-hostname restrictions via a crafted certificate issued by a legitimate Certification Authority. This update to upstream release 1.3.2b also fixes the following issues recorded in the proftpd bug tracker at bugs.proftpd.org: - Regression causing command-line define options not to work (bug 3221) - Use correct cached user values with "SQLNegativeCache on" (bug 3282) - Slower transfers of multiple small files (bug 3284) - Support MaxTransfersPerHost, MaxTransfersPerUser properly (bug 3287) - Handle symlinks to directories with trailing slashes properly (bug 3297)
Change Log
* Wed Oct 21 2009 Paul Howarth
References
[ 1 ] Bug #530719 - CVE-2009-3639 ProFTPD: Doesn't properly handle NULL character in subjectAltName https://bugzilla.redhat.com/show_bug.cgi?id=530719
Update Instructions
This update can be installed with the "yum" update program. Use su -c 'yum update proftpd' at the command line. For more information, refer to "Managing Software with yum", available at .