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Fedora Update Notification
FEDORA-2010-17098
2010-11-02 21:38:38
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Name : proftpd
Product : Fedora 13
Version : 1.3.3c
Release : 1.fc13
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 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
http://bugs.proftpd.org/show_bug.cgi?id=3521
* 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
http://bugs.proftpd.org/show_bug.cgi?id=3519
This update also fixes an issue with SQLite authentication and adds a new module "mod_geoip", which can be used to look up geographical information on connecting clients and use that to set access controls for the server.
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ChangeLog:
* Mon Nov 1 2010 Paul Howarth <paul@city-fan.org> 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 <paul@city-fan.org> 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 <paul@city-fan.org> 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
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References:
[ 1 ] Bug #651607 - CVE-2010-4221 proftpd: multiple stack-based buffer overflows in pr_netio_telnet_gets()
https://bugzilla.redhat.com/show_bug.cgi?id=651607
[ 2 ] Bug #651602 - CVE-2010-3867 proftpd: multiple directory traversal vulnerabilities
https://bugzilla.redhat.com/show_bug.cgi?id=651602
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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
http://docs.fedoraproject.org/yum/.
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
https://fedoraproject.org/keys
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