TSLSA-2004-0042 - rsync
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Trustix Secure Linux Security Advisory #2004-0042
Package name: rsync
Summary: path sanitizing issue
Date: 2004-08-17
Affected versions: Trustix Secure Linux 1.5
Trustix Secure Linux 2.0
Trustix Secure Linux 2.1
Trustix Operating System - Enterprise Server 2
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Package description:
Rsync uses a quick and reliable algorithm to very quickly bring remote
and host files into sync. Rsync is fast because it just sends the
differences in the files over the network (instead of sending the
complete files).
Problem description:
From the official rsync advisory:
There is a security problem in all versions prior to 2.6.1 that
affects only people running a read/write daemon WITHOUT using chroot.
If the user privs that such an rsync daemon is using is anything above
"nobody", you are at risk of someone crafting an attack that could
write a file outside of the module's "path" setting (where all its
files should be stored). Please either enable chroot or upgrade to
2.6.1. People not running a daemon, running a read-only daemon, or
running a chrooted daemon are totally unaffected.
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:
All Trustix Secure Linux updates are available from
<URI:http://http.trustix.org/pub/trustix/updates/>
<URI:ftp://ftp.trustix.org/pub/trustix/updates/>
About Trustix Secure Linux:
Trustix Secure Linux is a small Linux distribution for servers. With focus
on security and stability, the system is painlessly kept safe and up to
date from day one using swup, the automated software updater.
Automatic updates:
Users of the SWUP tool can enjoy having updates automatically
installed using 'swup --upgrade'.
Public testing:
Most updates for Trustix Secure Linux are made available for public
testing some time before release.
If you want to contribute by testing the various packages in the
testing tree, please feel free to share your findings on the
tsl-discuss mailinglist.
The testing tree is located at
<URI:http://tsldev.trustix.org/horizon/>
You may also use swup for public testing of updates:
site {
class = 0
location = "http://tsldev.trustix.org/horizon/rdfs/latest.rdf";
regexp = ".*"
}
Questions?
Check out our mailing lists:
<URI:http://www.trustix.org/support/>
Verification:
This advisory along with all Trustix packages are signed with the
TSL sign key.
This key is available from:
<URI:http://www.trustix.org/TSL-SIGN-KEY>
The advisory itself is available from the errata pages at
<URI:http://www.trustix.org/errata/trustix-1.5/>,
<URI:http://www.trustix.org/errata/trustix-2.0/> and
<URI:http://www.trustix.org/errata/trustix-2.1/>
or directly at
<URI:http://www.trustix.org/errata/2004/0042>
MD5sums of the packages:
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cfed3c28c11ab9445f34f13408e2d968 e-2/rsync-2.6.2-2tr.i586.rpm
7f504eadfe4be8ca07e46463540d3444 e-2/rsync-server-2.6.2-2tr.i586.rpm
0bbf83713712f4fd4bf7dfe51e8644b3 2.1/rpms/rsync-2.6.2-2tr.i586.rpm
8d40c387bcca26f42ad60e5ddad7e2bb 2.1/rpms/rsync-server-2.6.2-2tr.i586.rpm
239b36ac38eb33294ed88626ac35c8b3 2.0/rpms/rsync-2.6.2-0.2tr.i586.rpm
29850e8063ea7aace98a3ebad2e2c261 2.0/rpms/rsync-server-2.6.2-0.2tr.i586.rpm
f45017cae78bf782437352e190320632 1.5/rpms/rsync-2.6.2-3tr.i586.rpm
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Trustix Security Team
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