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CONECTIVA LINUX SECURITY ANNOUNCEMENT
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PACKAGE : rsync
SUMMARY : Fix for path sanitation vulnerabilities
DATE : 2004-11-01 12:20:00
ID : CLA-2004:881
RELEVANT
RELEASES : 9, 10

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DESCRIPTION
rsync[1] is a program used mainly to mirror files between remote
sites.

rsync before 2.6.1 does not properly sanitize paths[2] when running a
read and write daemon without using chroot. This could allow a remote
attacker to write files outside of the rsync directory, depending on
rsync's daemon privileges.

Also, rsync prior to version 2.6.3 has another path sanitization
vulnerability[3]. This issue could allow a remote attacker to read
or write files outside of the rsync directory. This vulnerability is
only exploitable when an rsync daemon is running and not within a
chroot, which is not the default configuration.


SOLUTION
It is recommended that all rsync users upgrade their packages.

IMPORTANT: after the update, the rsync server must be restarted
manually if it was already running.


REFERENCES
1.http://rsync.samba.org/
2.http://cve.mitre.org/cgi-bin/cvename...=CAN-2004-0426
3.http://cve.mitre.org/cgi-bin/cvename...=CAN-2004-0792


UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/...10_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/...0_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/...90_2cl.src.rpm
ftp://atualizacoes.conectiva.com.br/...0_2cl.i386.rpm


ADDITIONAL INSTRUCTIONS
The apt tool can be used to perform RPM packages upgrades:

- run: apt-get update
- after that, execute: apt-get upgrade

Detailed instructions regarding the use of apt and upgrade examples
can be found at http://distro.conectiva.com.br/atual...#apt?idioma=en

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All packages are signed with Conectiva's GPG key. The key and instructions
on how to import it can be found at
http://distro.conectiva.com.br/segur...ave/?idioma=en
Instructions on how to check the signatures of the RPM packages can be
found at http://distro.conectiva.com.br/segur...ica/?idioma=en

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All our advisories and generic update instructions can be viewed at
http://distro.conectiva.com.br/atualizacoes/?idioma=en

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Copyright (c) 2004 Conectiva Inc.
http://www.conectiva.com

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