[SECURITY] Fedora EPEL 5 Update: proftpd-1.3.3d-1.el5

[updates at fedoraproject.org]

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Fedora EPEL Update Notification
FEDORA-EPEL-2011-0102
2011-01-20 06:04:24
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Name        : proftpd
Product     : Fedora EPEL 5
Version     : 1.3.3d
Release     : 1.el5
URL         : http://www.proftpd.org/
Summary     : Flexible, stable and highly-configurable FTP server
Description :
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 behavior of ProFTPD, but all the
needed scripts to have it run by xinetd instead are included.

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Update Information:

This is an update to the current upstream maintenance release, which addresses a security issue that could affect users of the mod_sql module (not enabled by default).

* A heap-based buffer overflow flaw was found in the way ProFTPD FTP server prepared SQL queries for certain usernames, when the mod_sql module was enabled. A remote, unauthenticated attacker could use this flaw to cause the proftpd daemon to crash or, potentially, to execute arbitrary code with the privileges of the user running 'proftpd' via a specially-crafted username, provided in the authentication dialog.

The update also fixes a CPU spike when handling .ftpaccess files, and handling of SFTP uploads when compression is used.
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References:

  [ 1 ] Bug #670170 - CVE-2010-4652 ProFTPD (mod_sql): Heap-based buffer overflow by processing certain usernames, when mod_sql module enabled
        https://bugzilla.redhat.com/show_bug.cgi?id=670170
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This update can be installed with the "yum" update programs.  Use
su -c 'yum update proftpd' at the command line.
For more information, refer to "Managing Software with yum",
available at http://docs.fedoraproject.org/yum/.

All packages are signed with the Fedora EPEL GPG key.  More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/keys
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