Linux Today - Netwosix Linux Advisory: rsync

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:Netwosix Linux Advisory: rsync

Netwosix Linux Advisory: rsync
Aug 17, 2004, 19 :29 UTC (0 Talkback[s]) (1837 reads)

Netwosix Linux Security Advisory #2004-0017 <http://www.netwosix.org>

Package name: rsync
Summary: Exposure of System Information
Date: 2004-08-17
Affected versions: Netwosix 1.0 Netwosix 1.1

Package description:

rsync is an open source utility that provides fast incremental file transfer. rsync is freely available under the GNU General Public License version 2

Problem description:

There is a path-sanitizing bug that affects daemon mode in all recent rsync versions (including 2.6.2) but only if chroot is disabled. It does NOT affect the normal send/receive filenames that specify what files should be transferred (this is because these names happen to get sanitized twice, and thus the second call removes any lingering leading slash(es) that the first call left behind). It does affect certain option paths that cause auxilliary files to be read or written.

Action:

We recommend that all systems with this package installed be upgraded. Please note that if you do not need the functionality provided by this package, you may want to remove it from your system.

Location:

You can download the latest version of this package in NEPOTE format from: <http://download.netwosix.org/0017/nepote>

Nepote Update

See this instructions to update the port of this package:

# cd $somewhere # wget http://download.netwosix.org/0017/nepote # sh nepote (to install the new and updated package)

References

Specific references for this advisory:
http://samba.org/rsync/#security_aug04

About Linux Netwosix:

Linux Netwosix is a powerful and optimized Linux distribution for servers and Network Security related jobs. It can also be used for special operations such as penetration testing with its big collection of security oriented software and sources. It's a light distribution created for the requirements of every SysAdmin and it's very portable and highly configurable. Our philosophy is to give greater liberty for configuration to the SysAdmin. Only in this way can he/she configure a powerful and stable server machine. Linux Netwosix also has a powerful ports system (Nepote) similar to the xBSD systems but more flexible and usable.