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Fedora alert FEDORA-2010-17220 (proftpd)

Subject:  [SECURITY] Fedora 12 Update: proftpd-1.3.3c-1.fc12
Date:  Thu, 11 Nov 2010 22:15:35 +0000
Message-ID:  <>
Archive-link:  Article, Thread

-------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2010-17220 2010-11-03 20:29:40 -------------------------------------------------------------------------------- Name : proftpd Product : Fedora 12 Version : 1.3.3c Release : 1.fc12 URL : 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. -------------------------------------------------------------------------------- Update Information: This is an update to the current upstream maintenance release, which addresses two security issues that can be exploited by malicious users to manipulate certain data and compromise a vulnerable system. * A logic error in the code for processing user input containing the Telnet IAC (Interpret As Command) escape sequence can be exploited to cause a stack-based buffer overflow by sending specially crafted input to the FTP or FTPS service. Successful exploitation may allow execution of arbitrary code. This has been assigned the name CVE-2010-4221. More details can be found at * An input validation error within the "mod_site_misc" module can be exploited to e.g. create and delete directories, create symlinks, and change the time of files located outside a writable directory. Only configurations using "mod_site_misc", which is not enabled by default, and where the attacker has write access to a directory, are vulnerable to this issue, which has been assigned CVE-2010-3867. More details can be found at The update from 1.3.2d to 1.3.3c also includes a large number of non-security bugfixes and a number of additional loadable modules for enhanced functionality: * mod_geoip * mod_sftp * mod_sftp_pam * mod_sftp_sql * mod_shaper * mod_sql_passwd * mod_tls_shmcache There is also a new utility "ftpscrub" for scrubbing the scoreboard file. -------------------------------------------------------------------------------- ChangeLog: * Mon Nov 1 2010 Paul Howarth <> 1.3.3c-1 - Update to 1.3.3c (#647965) - Fixed Telnet IAC stack overflow vulnerability (ZDI-CAN-925) - Fixed directory traversal bug in mod_site_misc (CVE-2010-3867) - Fixed SQLite authentications using "SQLAuthType Backend" - New DSO module: mod_geoip * Fri Sep 10 2010 Paul Howarth <> 1.3.3b-1 - Update to 1.3.3b - Fixed SFTP directory listing bug - Avoid corrupting utmpx databases on FreeBSD - Avoid null pointer dereferences during data transfers - Fixed "AuthAliasOnly on" anonymous login * Fri Jul 2 2010 Paul Howarth <> 1.3.3a-1 - Update to 1.3.3a - Added Japanese translation - Many mod_sftp bugfixes - Fixed SSL_shutdown() errors caused by OpenSSL 0.9.8m and later - Fixed handling of utmp/utmpx format changes on FreeBSD * Thu Feb 25 2010 Paul Howarth <> 1.3.3-1 - Update to 1.3.3 (see NEWS for list of fixed bugs) - Update PID file location in initscript - Drop upstreamed patches - Upstream distribution now includes mod_exec, so drop unbundled source - New DSO modules: - mod_sftp - mod_sftp_pam - mod_sftp_sql - mod_shaper - mod_sql_passwd - mod_tls_shmcache - Configure script no longer appends "/proftpd" to --localstatedir option - New utility ftpscrub for scrubbing the scoreboard file - Include public key blacklist and Diffie-Hellman parameter files for mod_sftp in %{_sysconfdir} - Remove IdentLookups from config file - disabled by default now * Mon Feb 15 2010 Paul Howarth <> 1.3.2d-1 - Update to 1.3.2d, addressing the following issues: - mod_tls doesn't compile with pre-0.9.7 openssl (bug 3358) - Lack of PID protection in ScoreboardFile (bug 3370) - Crash when retrying a failed login with mod_radius being used (bug 3372) - RADIUS authentication broken on 64-bit platforms (bug 3381) - SIGHUP eventually causes certain DSO modules to segfault (bug 3387) * Thu Dec 10 2009 Paul Howarth <> 1.3.2c-1 - Update to 1.3.2c, addressing the following issues: - SSL/TLS renegotiation vulnerability (CVE-2009-3555, bug 3324) - Failed database transaction can cause mod_quotatab to loop (bug 3228) - Segfault in mod_wrap (bug 3332) - <Directory> sections can have <Limit> problems (bug 3337) - mod_wrap2 segfaults when a valid user retries the USER command (bug 3341) - mod_auth_file handles 'getgroups' request incorrectly (bug 3347) - Segfault caused by scrubbing zero-length portion of memory (bug 3350) - Drop upstreamed segfault patch * Thu Dec 10 2009 Paul Howarth <> 1.3.2b-3 - Add patch for upstream bug 3350 - segfault on auth failures * Wed Dec 9 2009 Paul Howarth <> 1.3.2b-2 - Reduce the mod_facts patch to the single commit addressing the issue with directory names with glob characters (#521634), avoiding introducing a further problem with <Limit> (#544002) -------------------------------------------------------------------------------- References: [ 1 ] Bug #651607 - CVE-2010-4221 proftpd: multiple stack-based buffer overflows in pr_netio_telnet_gets() [ 2 ] Bug #651602 - CVE-2010-3867 proftpd: multiple directory traversal vulnerabilities -------------------------------------------------------------------------------- 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 All packages are signed with the Fedora Project GPG key. More details on the GPG keys used by the Fedora Project can be found at -------------------------------------------------------------------------------- _______________________________________________ package-announce mailing list

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