Slackware Linux Advisory: rsync

Written By
Web Webster
Web Webster
Dec 4, 2003

[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

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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

Web Webster

Web Webster

Web Webster has more than 20 years of writing and editorial experience in the tech sector. He’s written and edited news, demand generation, user-focused, and thought leadership content for business software solutions, consumer tech, and Linux Today, he edits and writes for a portfolio of tech industry news and analysis websites including webopedia.com, and DatabaseJournal.com.

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