Aviso de seguridad de Debian

DSA-823-1 util-linux -- escalada de privilegios

Fecha del informe:

29 de sep de 2005

Paquetes afectados:

Vulnerable:

Sí

Referencias a bases de datos de seguridad:

En el sistema de seguimiento de errores de Debian: error 328141, error 329063.
En el diccionario CVE de Mitre: CVE-2005-2876.

Información adicional:

David Watson descubrió un error en el mount que se distribuía con el paquete util-linux y en otros paquetes como loop-aes-utils, que permitían que los usuarios locales eludieran las restricciones de acceso al sistema de archivos volviéndolo a montar en modo de sólo lectura.

Para la distribución estable anterior (woody) este problema se ha corregido en la versión 2.11n-7woody1.

Para la distribución estable (sarge) este problema se ha corregido en la versión 2.12p-4sarge1.

Para la distribución inestable (sid) este problema se ha corregido en la versión 2.12p-8.

Le recomendamos que actualice el paquete util-linux.

Arreglado en:

Debian GNU/Linux 3.0 (woody)

Fuentes:: http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.11n-7woody1.dsc; http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.11n-7woody1.diff.gz; http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.11n.orig.tar.gz
Componentes independientes de la arquitectura:: http://security.debian.org/pool/updates/main/u/util-linux/util-linux-locales_2.11n-7woody1_all.deb
Alpha:: http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.11n-7woody1_alpha.deb; http://security.debian.org/pool/updates/main/u/util-linux/mount_2.11n-7woody1_alpha.deb; http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.11n-7woody1_alpha.deb
ARM:: http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.11n-7woody1_arm.deb; http://security.debian.org/pool/updates/main/u/util-linux/mount_2.11n-7woody1_arm.deb; http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.11n-7woody1_arm.deb
Intel IA-32:: http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.11n-7woody1_i386.deb; http://security.debian.org/pool/updates/main/u/util-linux/mount_2.11n-7woody1_i386.deb; http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.11n-7woody1_i386.deb
Intel IA-64:: http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.11n-7woody1_ia64.deb; http://security.debian.org/pool/updates/main/u/util-linux/mount_2.11n-7woody1_ia64.deb; http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.11n-7woody1_ia64.deb
HPPA:: http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.11n-7woody1_hppa.deb; http://security.debian.org/pool/updates/main/u/util-linux/mount_2.11n-7woody1_hppa.deb; http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.11n-7woody1_hppa.deb
Motorola 680x0:: http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.11n-7woody1_m68k.deb; http://security.debian.org/pool/updates/main/u/util-linux/mount_2.11n-7woody1_m68k.deb; http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.11n-7woody1_m68k.deb
Big endian MIPS:: http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.11n-7woody1_mips.deb; http://security.debian.org/pool/updates/main/u/util-linux/mount_2.11n-7woody1_mips.deb; http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.11n-7woody1_mips.deb
Little endian MIPS:: http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.11n-7woody1_mipsel.deb; http://security.debian.org/pool/updates/main/u/util-linux/mount_2.11n-7woody1_mipsel.deb; http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.11n-7woody1_mipsel.deb
PowerPC:: http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.11n-7woody1_powerpc.deb; http://security.debian.org/pool/updates/main/u/util-linux/mount_2.11n-7woody1_powerpc.deb; http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.11n-7woody1_powerpc.deb
IBM S/390:: http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.11n-7woody1_s390.deb; http://security.debian.org/pool/updates/main/u/util-linux/mount_2.11n-7woody1_s390.deb; http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.11n-7woody1_s390.deb
Sun Sparc:: http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.11n-7woody1_sparc.deb; http://security.debian.org/pool/updates/main/u/util-linux/mount_2.11n-7woody1_sparc.deb; http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.11n-7woody1_sparc.deb

Debian GNU/Linux 3.1 (sarge)

Fuentes:: http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.12p-4sarge1.dsc; http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.12p-4sarge1.diff.gz; http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.12p.orig.tar.gz
Componentes independientes de la arquitectura:: http://security.debian.org/pool/updates/main/u/util-linux/util-linux-locales_2.12p-4sarge1_all.deb
Alpha:: http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.12p-4sarge1_alpha.deb; http://security.debian.org/pool/updates/main/u/util-linux/mount_2.12p-4sarge1_alpha.deb; http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.12p-4sarge1_alpha.deb
AMD64:: http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.12p-4sarge1_amd64.deb; http://security.debian.org/pool/updates/main/u/util-linux/mount_2.12p-4sarge1_amd64.deb; http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.12p-4sarge1_amd64.deb
ARM:: http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.12p-4sarge1_arm.deb; http://security.debian.org/pool/updates/main/u/util-linux/mount_2.12p-4sarge1_arm.deb; http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.12p-4sarge1_arm.deb
Intel IA-32:: http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.12p-4sarge1_i386.deb; http://security.debian.org/pool/updates/main/u/util-linux/mount_2.12p-4sarge1_i386.deb; http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.12p-4sarge1_i386.deb
Intel IA-64:: http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.12p-4sarge1_ia64.deb; http://security.debian.org/pool/updates/main/u/util-linux/mount_2.12p-4sarge1_ia64.deb; http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.12p-4sarge1_ia64.deb
HPPA:: http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.12p-4sarge1_hppa.deb; http://security.debian.org/pool/updates/main/u/util-linux/mount_2.12p-4sarge1_hppa.deb; http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.12p-4sarge1_hppa.deb
Motorola 680x0:: http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.12p-4sarge1_m68k.deb; http://security.debian.org/pool/updates/main/u/util-linux/mount_2.12p-4sarge1_m68k.deb; http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.12p-4sarge1_m68k.deb
Big endian MIPS:: http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.12p-4sarge1_mips.deb; http://security.debian.org/pool/updates/main/u/util-linux/mount_2.12p-4sarge1_mips.deb; http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.12p-4sarge1_mips.deb
Little endian MIPS:: http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.12p-4sarge1_mipsel.deb; http://security.debian.org/pool/updates/main/u/util-linux/mount_2.12p-4sarge1_mipsel.deb; http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.12p-4sarge1_mipsel.deb
PowerPC:: http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.12p-4sarge1_powerpc.deb; http://security.debian.org/pool/updates/main/u/util-linux/mount_2.12p-4sarge1_powerpc.deb; http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.12p-4sarge1_powerpc.deb
IBM S/390:: http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.12p-4sarge1_s390.deb; http://security.debian.org/pool/updates/main/u/util-linux/mount_2.12p-4sarge1_s390.deb; http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.12p-4sarge1_s390.deb
Sun Sparc:: http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.12p-4sarge1_sparc.deb; http://security.debian.org/pool/updates/main/u/util-linux/mount_2.12p-4sarge1_sparc.deb; http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.12p-4sarge1_sparc.deb

Las sumas MD5 de los ficheros que se listan están disponibles en el aviso original.