Conectiva Linux Advisories: xfree86, kernel

Written By
Web Webster
Web Webster
Feb 20, 2004

CONECTIVA LINUX SECURITY ANNOUNCEMENT


PACKAGE : XFree86
SUMMARY : Fix for font related vulnerabilities
DATE : 2004-02-20 15:45:00 ID : CLA-2004:821
RELEVANT RELEASES : 8, 9


DESCRIPTION
XFree86[1] is a freely redistributable open-source implementation
of the X Window System, which is a client/server interface between
display hardware and the desktop environment. Xlib is one of the
main libraries of XFree86 (libX11.so.6).

The following issues are being addressed in this update:

  • Improper handling of font files (CAN-2004-0083[2],
    CAN-2004-0084[4] and CAN-2004-0106[6]) Greg MacManus from iDEFENSE
    Labs discovered[3][5] two vulnerabilities in the way the X server
    deals with font files. David Dawes from the XFree86 team did some
    further audit and found more similar problems[6]. All these
    vulnerabilities allow attackers who can authenticate against the X
    server, or locally start it, to execute arbitrary code as
    root.
  • Multiple integer overflows in font libraries (CAN-2003-0730)[7]
    blexim@hush.com of isen
    reported[8] multiple integer overflows in the XFree86 font
    libraries that allow local or remote attackers to cause a denial of
    service or execute arbitrary code via heap-based and stack-based
    buffer overflow attacks.

SOLUTION
It is recommended that all XFree86 users upgrade their
packages.

REFERENCES

  1. http://www.xfree86.org/
  2. http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0083
  3. http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0084
  4. http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0106
  5. http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0730

UPDATED PACKAGES

ftp://atualizacoes.conectiva.com.br/8/SRPMS/XFree86-4.2.0-21U80_6cl.src.rpm


ftp://atualizacoes.conectiva.com.br/8/RPMS/XFree86-100dpi-fonts-4.2.0-21U80_6cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/8/RPMS/XFree86-4.2.0-21U80_6cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/8/RPMS/XFree86-75dpi-fonts-4.2.0-21U80_6cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/8/RPMS/XFree86-GL-4.2.0-21U80_6cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/8/RPMS/XFree86-GL-devel-4.2.0-21U80_6cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/8/RPMS/XFree86-Server-4.2.0-21U80_6cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/8/RPMS/XFree86-Server-common-4.2.0-21U80_6cl.i386.rpm

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ftp://atualizacoes.conectiva.com.br/8/RPMS/XFree86-Type1-fonts-4.2.0-21U80_6cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/8/RPMS/XFree86-Xnest-4.2.0-21U80_6cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/8/RPMS/XFree86-Xprt-4.2.0-21U80_6cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/8/RPMS/XFree86-Xvfb-4.2.0-21U80_6cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/8/RPMS/XFree86-apm-4.2.0-21U80_6cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/8/RPMS/XFree86-ark-4.2.0-21U80_6cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/8/RPMS/XFree86-ati-4.2.0-21U80_6cl.i386.rpm


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ftp://atualizacoes.conectiva.com.br/8/RPMS/XFree86-cid-fonts-support-4.2.0-21U80_6cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/8/RPMS/XFree86-cirrus-4.2.0-21U80_6cl.i386.rpm


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ftp://atualizacoes.conectiva.com.br/8/RPMS/XFree86-cyrix-4.2.0-21U80_6cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/8/RPMS/XFree86-devel-4.2.0-21U80_6cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/8/RPMS/XFree86-devel-static-4.2.0-21U80_6cl.i386.rpm


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ftp://atualizacoes.conectiva.com.br/8/RPMS/XFree86-fbdev-4.2.0-21U80_6cl.i386.rpm


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ftp://atualizacoes.conectiva.com.br/8/RPMS/XFree86-modules-fb-4.2.0-21U80_6cl.i386.rpm


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ftp://atualizacoes.conectiva.com.br/8/RPMS/XFree86-modules-fb-multi-depths-4.2.0-21U80_6cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/8/RPMS/XFree86-modules-freetype-4.2.0-21U80_6cl.i386.rpm

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ftp://atualizacoes.conectiva.com.br/8/RPMS/XFree86-vmware-4.2.0-21U80_6cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/8/RPMS/XFree86-xdm-4.2.0-21U80_6cl.i386.rpm


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ftp://atualizacoes.conectiva.com.br/9/RPMS/XFree86-tdfx-4.3.0-28972U90_5cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/XFree86-tdfx-dri-4.3.0-28972U90_5cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/XFree86-tga-4.3.0-28972U90_5cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/XFree86-trident-4.3.0-28972U90_5cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/XFree86-tseng-4.3.0-28972U90_5cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/XFree86-ttf-fonts-4.3.0-28972U90_5cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/XFree86-twm-4.3.0-28972U90_5cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/rstart-4.3.0-28972U90_5cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/XFree86-vesa-4.3.0-28972U90_5cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/XFree86-vga-4.3.0-28972U90_5cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/XFree86-vmware-4.3.0-28972U90_5cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/XFree86-xdm-4.3.0-28972U90_5cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/XFree86-xfs-4.3.0-28972U90_5cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/XFree86-xkb-4.3.0-28972U90_5cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/fontconfig-4.3.0-28972U90_5cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/fontconfig-devel-4.3.0-28972U90_5cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/fontconfig-devel-static-4.3.0-28972U90_5cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/xterm-4.3.0-28972U90_5cl.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


CONECTIVA LINUX SECURITY ANNOUNCEMENT


PACKAGE : kernel
SUMMARY : Fixes for kernel vulnerabilities
DATE : 2004-02-20 14:47:00
ID : CLA-2004:820
RELEVANT RELEASES : 8, 9


DESCRIPTION
The Linux kernel is responsible for handling the basic functions of
the GNU/Linux operating system.

Paul Starzetz <ihaquer@isec.pl> identified[1] a
new vulnerability[2] in the linux memory management code that can
be used by local attackers to obtain root privileges.

Two other, unrelated, fixes have also been included in this
update:

  • CAN-2004-0010[4]: vulnerability in the ncp file system
    (ncpfs);
  • local kmod denial of service (no CAN alocated to this
    issue)[5].

SOLUTION
It is recommended that all users upgrade the kernel packages.

IMPORTANT: exercise caution and preparation when upgrading the
kernel, since it will require a reboot after the new packages are
installed. In particular, Conectiva Linux 9 will most likely
require an initrd file (which is automatically created in the /boot
directory after the new packages are installed). Generic kernel
update instructions can be obtained in the manuals and in our faq
page[3].

REFERENCES
1.http://isec.pl/vulnerabilities/isec-0014-mremap-unmap.txt

2.http://cve.mitre.org/cgi-bin/cvename.cgi?name=can-2004-0077

3.http://www.conectiva.com.br/suporte/pr/sistema.kernel.atualizar.html

4.http://cve.mitre.org/cgi-bin/cvename.cgi?name=can-2004-0010

5.http://linux.bkbits.net:8080/linux-2.4/diffs/kernel/kmod.c@1.6?nav=index.html|src/|src/kernel|hist/kernel/kmod.c

UPDATED PACKAGES

ftp://atualizacoes.conectiva.com.br/8/SRPMS/kernel-2.4.19-1U80_21cl.src.rpm


ftp://atualizacoes.conectiva.com.br/8/RPMS/devfsd-2.4.19-1U80_21cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/8/RPMS/kernel-2.4.19-1U80_21cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/8/RPMS/kernel-BOOT-2.4.19-1U80_21cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/8/RPMS/kernel-doc-2.4.19-1U80_21cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/8/RPMS/kernel-headers-2.4.19-1U80_21cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/8/RPMS/kernel-rbc-2.4.19-1U80_21cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/8/RPMS/kernel-smp-2.4.19-1U80_21cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/8/RPMS/kernel-source-2.4.19-1U80_21cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/8/RPMS/kernel-2.4.19-1U80_21cl.i586.rpm


ftp://atualizacoes.conectiva.com.br/8/RPMS/kernel-2.4.19-1U80_21cl.i686.rpm


ftp://atualizacoes.conectiva.com.br/8/RPMS/kernel-enterprise-2.4.19-1U80_21cl.i686.rpm


ftp://atualizacoes.conectiva.com.br/8/RPMS/kernel-smp-2.4.19-1U80_21cl.i586.rpm


ftp://atualizacoes.conectiva.com.br/8/RPMS/kernel-smp-2.4.19-1U80_21cl.i686.rpm


ftp://atualizacoes.conectiva.com.br/9/SRPMS/kernel24-2.4.21-31301U90_15cl.src.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/devfsd-2.4.21-31301U90_15cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/kernel24-2.4.21-31301U90_15cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/kernel24-2.4.21-31301U90_15cl.i586.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/kernel24-2.4.21-31301U90_15cl.i686.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/kernel24-BOOT-2.4.21-31301U90_15cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/kernel24-doc-2.4.21-31301U90_15cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/kernel24-enterprise-2.4.21-31301U90_15cl.i686.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/kernel24-headers-2.4.21-31301U90_15cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/kernel24-rbc-2.4.21-31301U90_15cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/kernel24-smp-2.4.21-31301U90_15cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/kernel24-smp-2.4.21-31301U90_15cl.i586.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/kernel24-smp-2.4.21-31301U90_15cl.i686.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/kernel24-source-2.4.21-31301U90_15cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/kernel24-2.4.21-31301U90_15cl.athlon.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/kernel24-enterprise-2.4.21-31301U90_15cl.athlon.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/kernel24-smp-2.4.21-31301U90_15cl.athlon.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/kernel24-2.4.21-31301U90_15cl.pentium4.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/kernel24-enterprise-2.4.21-31301U90_15cl.pentium4.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/kernel24-smp-2.4.21-31301U90_15cl.pentium4.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

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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