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                                 CERT-Renater

                      Note d'Information No. 2003/VULN382
_____________________________________________________________________

DATE                      : 04/12/2003

HARDWARE PLATFORM(S)      : /

OPERATING SYSTEM(S)       : Systems running rsync.
                            
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[slackware-security]  rsync security update (SSA:2003-337-01)

Rsync is a file transfer client and server.

A security problem which may lead to unauthorized machine access
or code execution has been fixed by upgrading to rsync-2.5.7.
This problem only affects machines running rsync in daemon mode,
and is easier to exploit if the non-default option "use chroot = no"
is used in the /etc/rsyncd.conf config file.

Any sites running an rsync server should upgrade immediately.

For complete information, see the rsync home page:

  http://rsync.samba.org

Here are the details from the Slackware 9.1 ChangeLog:
+--------------------------+
Wed Dec  3 22:18:35 PST 2003
patches/packages/rsync-2.5.7-i486-1.tgz:  Upgraded to rsync-2.5.7.
  From the rsync-2.5.7-NEWS file:
    SECURITY:
    * Fix buffer handling bugs.  (Andrew Tridgell, Martin Pool, Paul
      Russell, Andrea Barisani)
  The vulnerability affects sites running rsync in daemon mode (rsync
  servers).  These sites should be upgraded immediately.
  (* Security fix *)
+--------------------------+


WHERE TO FIND THE NEW PACKAGE:
+-----------------------------+

Updated package for Slackware 8.1:
ftp://ftp.slackware.com/pub/slackware/slackware-8.1/patches/packages/rsync-2.5.7-i386-1.tgz

Updated package for Slackware 9.0:
ftp://ftp.slackware.com/pub/slackware/slackware-9.0/patches/packages/rsync-2.5.7-i386-1.tgz

Updated package for Slackware 9.1:
ftp://ftp.slackware.com/pub/slackware/slackware-9.1/patches/packages/rsync-2.5.7-i486-1.tgz

Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/n/rsync-2.5.7-i486-1.tgz


MD5 SIGNATURES:
+-------------+

Slackware 8.1 package:
9adcdfaeca3022204bc1bef1d97802cf  rsync-2.5.7-i386-1.tgz

Slackware 9.0 package:
12788c9af15174c683ada4c5e5746372  rsync-2.5.7-i386-1.tgz

Slackware 9.1 package:
38d40a65d526f92c41ff72afae74e546  rsync-2.5.7-i486-1.tgz

Slackware -current package:
3f68fa78c6d095da4269e27806596d48  rsync-2.5.7-i486-1.tgz


INSTALLATION INSTRUCTIONS:
+------------------------+

If you're running rsync as a daemon, kill it:

# killall rsync

Then, upgrade the package:

# upgradepkg rsync-2.5.7-i486-1.tgz

Finally, restart the rsync daemon:

# rsync --daemon


+-----+

Slackware Linux Security Team
http://slackware.com/gpg-key
security@slackware.com

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