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Conectiva Linux Advisory: rsync

Nov 02, 2004, 19:30 (0 Talkback[s])
CONECTIVA LINUX SECURITY ANNOUNCEMENT

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


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.cgi?name=CAN-2004-0426
3.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0792

UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/10/SRPMS/rsync-2.6.3-59134U10_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/rsync-2.6.3-59134U10_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/SRPMS/rsync-2.5.7-13508U90_2cl.src.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/rsync-2.5.7-13508U90_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/atualizacoes/#apt?idioma=en


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/seguranca/chave/?idioma=en Instructions on how to check the signatures of the RPM packages can be found at http://distro.conectiva.com.br/seguranca/politica/?idioma=en
All our advisories and generic update instructions can be viewed at http://distro.conectiva.com.br/atualizacoes/?idioma=en
Copyright (c) 2004 Conectiva Inc.
http://www.conectiva.com