Aviso de seguridad de Debian

ncurses -- escalada de privilegios local

Fecha del informe:

21 de nov de 2000

Paquetes afectados:

ncurses-base
ncurses-bin
ncurses-term
libncurses5
libncurses5-dev
libncurses5-dbg

Vulnerable:

Sí

Referencias a bases de datos de seguridad:

En el diccionario CVE de Mitre: CVE-2000-1174.

Información adicional:

La versión de la biblioteca de visualización ncurses lanzada con Debian GNU/Linux 2.2 es vulnerable a varios desbordamientos de búfer en el análisis de archivos de base de datos de terminfo. Este problema fue descubierto por Jouko Pynnönen <jouko@solutions.fi>. Los problemas sólo son explotables en la presencia de binarios con setuid enlazados a ncurses que usan funciones particulares, incluyendo a versiones de xmcd previas a la 2.5pl1-7.1.

Este problema está arreglado en ncurses 5.0-6.0potato1 para Debian GNU/Linux 2.2, y en ncurses 5.0-8 para Debian inestable.

Arreglado en:

Debian GNU/Linux 2.2 (potato)

Fuentes:: http://security.debian.org/dists/potato/updates/main/source/ncurses_5.0-6.0potato1.dsc; http://security.debian.org/dists/potato/updates/main/source/ncurses_5.0-6.0potato1.diff.gz; http://security.debian.org/dists/potato/updates/main/source/ncurses_5.0.orig.tar.gz
Componentes independientes de la arquitectura:: http://security.debian.org/dists/potato/updates/main/binary-all/ncurses-base_5.0-6.0potato1_all.deb; http://security.debian.org/dists/potato/updates/main/binary-all/ncurses-term_5.0-6.0potato1_all.deb
Alpha:: http://security.debian.org/dists/potato/updates/main/binary-alpha/libncurses5-dbg_5.0-6.0potato1_alpha.deb; http://security.debian.org/dists/potato/updates/main/binary-alpha/libncurses5-dev_5.0-6.0potato1_alpha.deb; http://security.debian.org/dists/potato/updates/main/binary-alpha/libncurses5_5.0-6.0potato1_alpha.deb; http://security.debian.org/dists/potato/updates/main/binary-alpha/ncurses-bin_5.0-6.0potato1_alpha.deb
ARM:: http://security.debian.org/dists/potato/updates/main/binary-arm/libncurses5-dbg_5.0-6.0potato1_arm.deb; http://security.debian.org/dists/potato/updates/main/binary-arm/libncurses5-dev_5.0-6.0potato1_arm.deb; http://security.debian.org/dists/potato/updates/main/binary-arm/libncurses5_5.0-6.0potato1_arm.deb; http://security.debian.org/dists/potato/updates/main/binary-arm/ncurses-bin_5.0-6.0potato1_arm.deb
Intel IA32:: http://security.debian.org/dists/potato/updates/main/binary-i386/libncurses5-dbg_5.0-6.0potato1_i386.deb; http://security.debian.org/dists/potato/updates/main/binary-i386/libncurses5-dev_5.0-6.0potato1_i386.deb; http://security.debian.org/dists/potato/updates/main/binary-i386/libncurses5_5.0-6.0potato1_i386.deb; http://security.debian.org/dists/potato/updates/main/binary-i386/ncurses-bin_5.0-6.0potato1_i386.deb
Motorola 680x0:: http://security.debian.org/dists/potato/updates/main/binary-m68k/libncurses5-dbg_5.0-6.0potato1_m68k.deb; http://security.debian.org/dists/potato/updates/main/binary-m68k/libncurses5-dev_5.0-6.0potato1_m68k.deb; http://security.debian.org/dists/potato/updates/main/binary-m68k/libncurses5_5.0-6.0potato1_m68k.deb; http://security.debian.org/dists/potato/updates/main/binary-m68k/ncurses-bin_5.0-6.0potato1_m68k.deb
PowerPC:: http://security.debian.org/dists/potato/updates/main/binary-powerpc/libncurses5-dbg_5.0-6.0potato1_powerpc.deb; http://security.debian.org/dists/potato/updates/main/binary-powerpc/libncurses5-dev_5.0-6.0potato1_powerpc.deb; http://security.debian.org/dists/potato/updates/main/binary-powerpc/libncurses5_5.0-6.0potato1_powerpc.deb; http://security.debian.org/dists/potato/updates/main/binary-powerpc/ncurses-bin_5.0-6.0potato1_powerpc.deb
Sun SPARC:: http://security.debian.org/dists/potato/updates/main/binary-sparc/libncurses5-dbg_5.0-6.0potato1_sparc.deb; http://security.debian.org/dists/potato/updates/main/binary-sparc/libncurses5-dev_5.0-6.0potato1_sparc.deb; http://security.debian.org/dists/potato/updates/main/binary-sparc/libncurses5_5.0-6.0potato1_sparc.deb; http://security.debian.org/dists/potato/updates/main/binary-sparc/ncurses-bin_5.0-6.0potato1_sparc.deb