int(2368)

Vulnerability Bulletins


Desbordamiento de búfer en xorg-x11

Vulnerability classification

Property Value
Confidence level Oficial
Impact Aumento de privilegios
Dificulty Experto
Required attacker level Acceso remoto con cuenta

System information

Property Value
Affected manufacturer GNU/Linux
Affected software xorg-server 1.0.x
X11R 6.8.x
X11R 6.9.0
X11R 7.0

Description

Se ha descubierto una vulnerabilidad de tipo desbordamiento de búfer en xorg-x11. La vulnerabilidad reside en que la extensión X render no calcula bien el tamaño de un búfer.

Un atacante remoto autenticado podría causar una denegación de servicio y ejecutar código arbitrario.

Solution



Actualización de software

OpenBSD
OpenBSD 3.7
ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.7/common/013_xorg.patch
OpenBSD 3.8
ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.8/common/007_xorg.patch
OpenBSD 3.9
ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.9/common/002_xorg.patch

Suse Linux
Las actualizaciones pueden descargarse mediante YAST o del servidor FTP oficial de Suse Linux

Mandriva

Mandrivalinux LE2005
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/libxorg-x11-6.8.2-7.3.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/libxorg-x11-devel-6.8.2-7.3.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/libxorg-x11-static-devel-6.8.2-7.3.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/X11R6-contrib-6.8.2-7.3.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/xorg-x11-100dpi-fonts-6.8.2-7.3.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/xorg-x11-6.8.2-7.3.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/xorg-x11-75dpi-fonts-6.8.2-7.3.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/xorg-x11-cyrillic-fonts-6.8.2-7.3.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/xorg-x11-doc-6.8.2-7.3.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/xorg-x11-glide-module-6.8.2-7.3.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/xorg-x11-server-6.8.2-7.3.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/xorg-x11-xauth-6.8.2-7.3.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/xorg-x11-Xdmx-6.8.2-7.3.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/xorg-x11-xfs-6.8.2-7.3.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/xorg-x11-Xnest-6.8.2-7.3.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/xorg-x11-Xprt-6.8.2-7.3.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/xorg-x11-Xvfb-6.8.2-7.3.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/SRPMS/xorg-x11-6.8.2-7.3.102mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/lib64xorg-x11-6.8.2-7.3.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/lib64xorg-x11-devel-6.8.2-7.3.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/lib64xorg-x11-static-devel-6.8.2-7.3.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/libxorg-x11-6.8.2-7.3.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/libxorg-x11-devel-6.8.2-7.3.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/libxorg-x11-static-devel-6.8.2-7.3.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/X11R6-contrib-6.8.2-7.3.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/xorg-x11-100dpi-fonts-6.8.2-7.3.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/xorg-x11-6.8.2-7.3.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/xorg-x11-75dpi-fonts-6.8.2-7.3.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/xorg-x11-cyrillic-fonts-6.8.2-7.3.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/xorg-x11-doc-6.8.2-7.3.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/xorg-x11-server-6.8.2-7.3.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/xorg-x11-xauth-6.8.2-7.3.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/xorg-x11-Xdmx-6.8.2-7.3.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/xorg-x11-xfs-6.8.2-7.3.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/xorg-x11-Xnest-6.8.2-7.3.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/xorg-x11-Xprt-6.8.2-7.3.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/xorg-x11-Xvfb-6.8.2-7.3.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/SRPMS/xorg-x11-6.8.2-7.3.102mdk.src.rpm

Mandrivalinux 2006
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/libxorg-x11-6.9.0-5.6.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/libxorg-x11-devel-6.9.0-5.6.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/libxorg-x11-static-devel-6.9.0-5.6.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/xorg-x11-100dpi-fonts-6.9.0-5.6.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/xorg-x11-6.9.0-5.6.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/xorg-x11-75dpi-fonts-6.9.0-5.6.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/xorg-x11-cyrillic-fonts-6.9.0-5.6.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/xorg-x11-doc-6.9.0-5.6.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/xorg-x11-glide-module-6.9.0-5.6.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/xorg-x11-server-6.9.0-5.6.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/xorg-x11-xauth-6.9.0-5.6.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/xorg-x11-Xdmx-6.9.0-5.6.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/xorg-x11-xfs-6.9.0-5.6.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/xorg-x11-Xnest-6.9.0-5.6.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/xorg-x11-Xprt-6.9.0-5.6.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/xorg-x11-Xvfb-6.9.0-5.6.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/SRPMS/xorg-x11-6.9.0-5.6.20060mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/lib64xorg-x11-6.9.0-5.6.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/lib64xorg-x11-devel-6.9.0-5.6.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/lib64xorg-x11-static-devel-6.9.0-5.6.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/libxorg-x11-6.9.0-5.6.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/libxorg-x11-devel-6.9.0-5.6.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/libxorg-x11-static-devel-6.9.0-5.6.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/X11R6-contrib-6.9.0-5.6.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/xorg-x11-100dpi-fonts-6.9.0-5.6.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/xorg-x11-6.9.0-5.6.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/xorg-x11-75dpi-fonts-6.9.0-5.6.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/xorg-x11-cyrillic-fonts-6.9.0-5.6.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/xorg-x11-doc-6.9.0-5.6.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/xorg-x11-glide-module-6.9.0-5.6.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/xorg-x11-server-6.9.0-5.6.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/xorg-x11-xauth-6.9.0-5.6.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/xorg-x11-Xdmx-6.9.0-5.6.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/xorg-x11-xfs-6.9.0-5.6.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/xorg-x11-Xnest-6.9.0-5.6.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/xorg-x11-Xprt-6.9.0-5.6.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/xorg-x11-Xvfb-6.9.0-5.6.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/SRPMS/xorg-x11-6.9.0-5.6.20060mdk.src.rpm

Red Hat
Red Hat Desktop (v. 4)
Red Hat Enterprise Linux AS (v. 4)
Red Hat Enterprise Linux ES (v. 4)
Red Hat Enterprise Linux WS (v. 4)
https://rhn.redhat.com/

Sun
Solaris 10 / x86 / 118966-20
http://sunsolve.sun.com/pub-cgi/show.pl?target=patchpage

Standar resources

Property Value
CVE CVE-2006-1526
BID

Other resources

OpenBSD Security Advisory May 3, 2006
http://www.openbsd.org/security.html

SUSE Security Advisory (SUSE-SA:2006:023)
http://www.novell.com/linux/security/advisories/2006_05_03.html

Mandriva Security Advisory (MDKSA-2006:081)
http://www.mandriva.com/security/advisories?name=MDKSA-2006:081

Mandriva Security Advisory (MDKSA-2006:081-1)
http://www.mandriva.com/security/advisories?name=MDKSA-2006:081-1

Red Hat Security Advisory (RHSA-2006:0451-9)
https://rhn.redhat.com/errata/RHSA-2006-0451.html

Sun Alert Notification (102339)
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102339-1

Version history

Version Comments Date
1.0 Aviso emitido 2006-05-03
1.1 Aviso emitido por Suse (SUSE-SA:2006:023). Aviso emitido por Mandriva (MDKSA-2006:081). Aviso emitido por Red Hat (RHSA-2006:0451-9) 2006-05-04
1.2 Aviso actualizado por Mandriva (MDKSA-2006:081-1). Aviso emitido por Sun (102339) 2006-05-05
1.3 Aviso actualizado por Sun (102339) 2006-05-19
Ministerio de Defensa
CNI
CCN
CCN-CERT