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Home » Security Advisories» Conectiva » KDE multiple vulnerabilities

KDE multiple vulnerabilities

Multiple vulnerabilities have been found i KDE: local denial of service, homograph vulnerability, symlink vulnerability, weak input validation in kimgio and arbitrary code execution in Kommander.

  • Vendor: Conectiva
  • Vendor ID: CLA-2005:953
  • Date: May 17, 2005


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CONECTIVA LINUX SECURITY ANNOUNCEMENT
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PACKAGE : kde
SUMMARY : Fixes for multiple KDE security vulnerabilities
DATE : 2005-05-17 09:56:00
ID : CLA-2005:953
RELEVANT
RELEASES : 9, 10

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DESCRIPTION
KDE[1] is a very popular graphical desktop environment available for
GNU/Linux and other operating systems.

This announcement fixes the following vulnerabilities:

1.Local denial of service vulnerability[2] in DCOP daemon
A local user can lock up the dcopserver of any other user on the
same host by stalling the DCOP authentication process. This can cause
a significant reduction in desktop functionality for the affected
users including, but not limited to, the inability to browse the
internet and the inability to start new applications.

2.Homograph vulnerability[3] in Konqueror
IDN allows a website to use a wide range of international
characters in its domain name. Unfortunately, some of these
characters have a strong resemblance to other characters, so called
homographs. This lack of visual difference can be abused by attackers
to trick users into visiting malicious websites that resemble a well
known and trusted website in order to obtain personal information
such as credit card details.

3.Symlink vulnerability[4] in dcopidlng script
The dcopidlng script is vulnerable to symlink attacks, potentially
allowing a local attacker to overwrite arbitrary files of a user when
that user compiles KDE or third party KDE applications that use the
dcopidlng script as part of their build process.

4.Weak input validation vulnerable[5] in kimgio
kimgio contains a PCX image file format reader that does not
properly perform input validation. A source code audit performed by
the KDE security team discovered several vulnerabilities in the PCX
and other image file format readers, some of them exploitable to
execute arbitrary code.

5.Arbitraty code execution vulnerability[6] in Kommander
Kommander executes without user confirmation data files from
possibly untrusted locations. As they contain scripts, the user might
accidentally run arbitrary code.


SOLUTION
It is recommended that all users of the KDE desktop, including those
who use other desktop and only use certain KDE components such as
Konqueror, upgrade their KDE packages.

IMPORTANT: in order to close the vulnerbilities, all KDE applications
have to be restarted.


REFERENCES
1.http://www.kde.org
2.http://www.kde.org/info/security/advisory-20050316-1.txt
3.http://www.kde.org/info/security/advisory-20050316-2.txt
4.http://www.kde.org/info/security/advisory-20050316-3.txt
5.http://www.kde.org/info/security/advisory-20050421-1.txt
6.http://www.kde.org/info/security/advisory-20050420-1.txt


UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/10/SRPMS/kdelibs3-3.3.2-63233U10_6cl.src.rpm
ftp://atualizacoes.conectiva.com.br/10/SRPMS/kdewebdev-3.3.2-72796U10_3cl.src.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/kdewebdev-3.3.2-72796U10_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/kfilereplace-3.3.2-72796U10_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/kimagemapeditor-3.3.2-72796U10_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/klinkstatus-3.3.2-72796U10_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/klinkstatus-help-3.3.2-72796U10_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/kommander-3.3.2-72796U10_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/kommander-help-3.3.2-72796U10_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/kxsldbg-3.3.2-72796U10_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/kxsldbg-help-3.3.2-72796U10_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/quanta-3.3.2-72796U10_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/quanta-devel-3.3.2-72796U10_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/quanta-help-3.3.2-72796U10_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/quanta-reference-css-3.3.2-72796U10_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/quanta-reference-html-3.3.2-72796U10_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/quanta-reference-javascript-3.3.2-72796U10_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/quanta-reference-php-3.3.2-72796U10_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/kde-base-icons-3.3.2-63233U10_6cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/kdelibs-artsinterface-3.3.2-63233U10_6cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/kdelibs-docbook-3.3.2-63233U10_6cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/kdelibs3-3.3.2-63233U10_6cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/kdelibs3-devel-3.3.2-63233U10_6cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/kdelibs3-devel-static-3.3.2-63233U10_6cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/kdetheme-b3-3.3.2-63233U10_6cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/kdetheme-highcolor-3.3.2-63233U10_6cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/kdetheme-light-3.3.2-63233U10_6cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/kdetheme-marble-3.3.2-63233U10_6cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/kdetheme-qt-3.3.2-63233U10_6cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/kdetheme-riscos-3.3.2-63233U10_6cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/kdetheme-system-3.3.2-63233U10_6cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/libknewstuff1-3.3.2-63233U10_6cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/SRPMS/kdelibs3-3.1.5-28927U90_7cl.src.rpm
ftp://atualizacoes.conectiva.com.br/9/SRPMS/quanta-3.1-27553U90_2cl.src.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/quanta-3.1-27553U90_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/quanta-doc-3.1-27553U90_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/quanta-kommander-3.1-27553U90_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/kdelibs-artsinterface-3.1.5-28927U90_7cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/kdelibs-docbook-3.1.5-28927U90_7cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/kdelibs3-3.1.5-28927U90_7cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/kdelibs3-devel-3.1.5-28927U90_7cl.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

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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) 2004 Conectiva Inc.
http://www.conectiva.com

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subscribe: [email protected]
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