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Home » Hacking News » Conectiva CLA-2003:653: Bugzilla cross site scripting

Conectiva CLA-2003:653: Bugzilla cross site scripting

by Nikola Strahija on May 22nd, 2003 Two vulnerabilities have been found in Bugzilla, a bug tracking system, which, if exploited, could allow cross site scripting and could alter files in the system.


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CONECTIVA LINUX SECURITY ANNOUNCEMENT
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PACKAGE : bugzilla
SUMMARY : Cross site scripting and temporary file vulnerabilities
DATE : 2003-05-21 17:04:00
ID : CLA-2003:653
RELEVANT
RELEASES : 9

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DESCRIPTION
Bugzilla[1] is a bug tracking system used by many software projects.

This update fixes the following problems with the bugzilla package
shipped with Conectiva Linux 9:

1. New dependencies
The bugzilla package provided via this update has the following new
dependencies:
- perl-doc[3];
- perl-timedate >= 1.14: bugzilla needs a newer version[4] of the
perl-timedate package than the one shipped with Conectiva Linux 9.

2. Cross site scripting vulnerabilities[2]
Cross site scripting vulnerabilities have been found in the template
system and in the dependency graphs which show dependency
relationships between bugs (not enabled by default). These have been
fixed in bugzilla 2.16.3.

3. Temporary file vulnerability[2]
Several scripts create insecure temporary files. A local attacker
could attempt, with the privileges of the "www" user and via symlink
attacks, to overwrite or alter files in the system. This
vulnerability has also been fixed in bugzilla 2.16.3.


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

IMPORTANT: after the upgrade, please run the following bugzilla
script:

/srv/www/default/html/bugzilla/checksetup.pl

This script will make all necessary adjustments for this upgrade as
well as alert about possible problems.

NOTE: since this update introduces two new dependencies to the
bugzilla packge (perl-doc and perl-timedate >= 1.14), we recommend
the following command to install the new versions of these packages:

apt-get install bugzilla

Otherwise, if perl-doc or perl-timedate >= 1.14 are not installed,
"apt-get upgrade" will not upgrade bugzilla.


REFERENCES
1. http://www.bugzilla.org/
2. http://www.bugzilla.org/security/2.16.2/
3. http://bugzilla.conectiva.com.br/show_bug.cgi?id=8338
4. http://bugzilla.mozilla.org/show_bug.cgi?id=200472


UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/9/SRPMS/bugzilla-2.16.3-29154U90_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/9/SRPMS/perl-timedate-1.14-27918U90_3cl.src.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/bugzilla-2.16.3-29154U90_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/bugzilla-doc-2.16.3-29154U90_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/perl-timedate-1.14-27918U90_3cl.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 reagarding the use of apt and upgrade examples
can be found at http://distro.conectiva.com.br/atualizacoes/#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/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

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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) 2003 Conectiva Inc.
http://www.conectiva.com

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subscribe: [email protected]
unsubscribe: [email protected]
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