Aviso de seguridad de Debian

DSA-1291-1 samba -- varias vulnerabilidades

Fecha del informe:
15 de may de 2007
Paquetes afectados:
samba
Vulnerable:
Referencias a bases de datos de seguridad:
En el diccionario CVE de Mitre: CVE-2007-2444, CVE-2007-2446, CVE-2007-2447.
Información adicional:

Se han identificado varias incidencias en Samba, la implementación de servidor de impresión y de archivos SMB/CIFS para GNU/Linux.

  • CVE-2007-2444

    Al trasladar SIDs desde o hacia nombres usando la lista local de usuarios y de grupos de Samba, un error lógico en la pila de seguridad interna del daemon podía provocar una transición al id. del usuario root en lugar de a un usuario no root. En ese caso, el usuario podía realizar operaciones con el protocolo SMB/CIFS como si fuese root. Esta brecha podía permitir que el atacante utilizase métodos adicionales para conseguir acceso como root al servidor.

  • CVE-2007-2446

    Algunos errores en el analizador NDR de Samba podían permitir que un atacante enviase solicitudes perniciosas MS-RPC para sobreescribir el espacio de la pila con los datos definidos por el usuario.

  • CVE-2007-2447

    Algunos parámetros de entrada se pasaban sin sanear como argumentos a /bin/sh, permitiendo la ejecución de órdenes remotas.

Para la distribución estable (etch), estos problemas se han corregido en la versión 3.0.24-6etch1.

Para las distribuciones testing e inestable (lenny y sid, respectivamente), estos problemas se han corregido en la versión 3.0.25-1.

Le recomendamos que actualice el paquete samba.

Arreglado en:

Debian GNU/Linux 4.0 (etch)

Fuentes:
http://security.debian.org/pool/updates/main/s/samba/samba_3.0.24-6etch1.dsc
http://security.debian.org/pool/updates/main/s/samba/samba_3.0.24.orig.tar.gz
http://security.debian.org/pool/updates/main/s/samba/samba_3.0.24-6etch1.diff.gz
Componentes independientes de la arquitectura:
http://security.debian.org/pool/updates/main/s/samba/samba-doc_3.0.24-6etch1_all.deb
http://security.debian.org/pool/updates/main/s/samba/samba-doc-pdf_3.0.24-6etch1_all.deb
Alpha:
http://security.debian.org/pool/updates/main/s/samba/samba-dbg_3.0.24-6etch1_alpha.deb
http://security.debian.org/pool/updates/main/s/samba/smbclient_3.0.24-6etch1_alpha.deb
http://security.debian.org/pool/updates/main/s/samba/winbind_3.0.24-6etch1_alpha.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient_3.0.24-6etch1_alpha.deb
http://security.debian.org/pool/updates/main/s/samba/python-samba_3.0.24-6etch1_alpha.deb
http://security.debian.org/pool/updates/main/s/samba/swat_3.0.24-6etch1_alpha.deb
http://security.debian.org/pool/updates/main/s/samba/smbfs_3.0.24-6etch1_alpha.deb
http://security.debian.org/pool/updates/main/s/samba/samba_3.0.24-6etch1_alpha.deb
http://security.debian.org/pool/updates/main/s/samba/libpam-smbpass_3.0.24-6etch1_alpha.deb
http://security.debian.org/pool/updates/main/s/samba/samba-common_3.0.24-6etch1_alpha.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient-dev_3.0.24-6etch1_alpha.deb
AMD64:
http://security.debian.org/pool/updates/main/s/samba/samba-common_3.0.24-6etch1_amd64.deb
http://security.debian.org/pool/updates/main/s/samba/smbclient_3.0.24-6etch1_amd64.deb
http://security.debian.org/pool/updates/main/s/samba/swat_3.0.24-6etch1_amd64.deb
http://security.debian.org/pool/updates/main/s/samba/samba_3.0.24-6etch1_amd64.deb
http://security.debian.org/pool/updates/main/s/samba/winbind_3.0.24-6etch1_amd64.deb
http://security.debian.org/pool/updates/main/s/samba/samba-dbg_3.0.24-6etch1_amd64.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient_3.0.24-6etch1_amd64.deb
http://security.debian.org/pool/updates/main/s/samba/smbfs_3.0.24-6etch1_amd64.deb
http://security.debian.org/pool/updates/main/s/samba/python-samba_3.0.24-6etch1_amd64.deb
http://security.debian.org/pool/updates/main/s/samba/libpam-smbpass_3.0.24-6etch1_amd64.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient-dev_3.0.24-6etch1_amd64.deb
ARM:
http://security.debian.org/pool/updates/main/s/samba/libsmbclient_3.0.24-6etch1_arm.deb
http://security.debian.org/pool/updates/main/s/samba/samba-dbg_3.0.24-6etch1_arm.deb
http://security.debian.org/pool/updates/main/s/samba/python-samba_3.0.24-6etch1_arm.deb
http://security.debian.org/pool/updates/main/s/samba/winbind_3.0.24-6etch1_arm.deb
http://security.debian.org/pool/updates/main/s/samba/smbclient_3.0.24-6etch1_arm.deb
http://security.debian.org/pool/updates/main/s/samba/samba_3.0.24-6etch1_arm.deb
http://security.debian.org/pool/updates/main/s/samba/libpam-smbpass_3.0.24-6etch1_arm.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient-dev_3.0.24-6etch1_arm.deb
http://security.debian.org/pool/updates/main/s/samba/samba-common_3.0.24-6etch1_arm.deb
http://security.debian.org/pool/updates/main/s/samba/swat_3.0.24-6etch1_arm.deb
http://security.debian.org/pool/updates/main/s/samba/smbfs_3.0.24-6etch1_arm.deb
HPPA:
http://security.debian.org/pool/updates/main/s/samba/libsmbclient-dev_3.0.24-6etch1_hppa.deb
http://security.debian.org/pool/updates/main/s/samba/smbclient_3.0.24-6etch1_hppa.deb
http://security.debian.org/pool/updates/main/s/samba/libpam-smbpass_3.0.24-6etch1_hppa.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient_3.0.24-6etch1_hppa.deb
http://security.debian.org/pool/updates/main/s/samba/smbfs_3.0.24-6etch1_hppa.deb
http://security.debian.org/pool/updates/main/s/samba/python-samba_3.0.24-6etch1_hppa.deb
http://security.debian.org/pool/updates/main/s/samba/samba-dbg_3.0.24-6etch1_hppa.deb
http://security.debian.org/pool/updates/main/s/samba/winbind_3.0.24-6etch1_hppa.deb
http://security.debian.org/pool/updates/main/s/samba/swat_3.0.24-6etch1_hppa.deb
http://security.debian.org/pool/updates/main/s/samba/samba-common_3.0.24-6etch1_hppa.deb
http://security.debian.org/pool/updates/main/s/samba/samba_3.0.24-6etch1_hppa.deb
Intel IA-32:
http://security.debian.org/pool/updates/main/s/samba/samba-common_3.0.24-6etch1_i386.deb
http://security.debian.org/pool/updates/main/s/samba/samba_3.0.24-6etch1_i386.deb
http://security.debian.org/pool/updates/main/s/samba/winbind_3.0.24-6etch1_i386.deb
http://security.debian.org/pool/updates/main/s/samba/python-samba_3.0.24-6etch1_i386.deb
http://security.debian.org/pool/updates/main/s/samba/samba-dbg_3.0.24-6etch1_i386.deb
http://security.debian.org/pool/updates/main/s/samba/smbfs_3.0.24-6etch1_i386.deb
http://security.debian.org/pool/updates/main/s/samba/libpam-smbpass_3.0.24-6etch1_i386.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient_3.0.24-6etch1_i386.deb
http://security.debian.org/pool/updates/main/s/samba/swat_3.0.24-6etch1_i386.deb
http://security.debian.org/pool/updates/main/s/samba/smbclient_3.0.24-6etch1_i386.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient-dev_3.0.24-6etch1_i386.deb
Intel IA-64:
http://security.debian.org/pool/updates/main/s/samba/samba-dbg_3.0.24-6etch1_ia64.deb
http://security.debian.org/pool/updates/main/s/samba/smbfs_3.0.24-6etch1_ia64.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient_3.0.24-6etch1_ia64.deb
http://security.debian.org/pool/updates/main/s/samba/smbclient_3.0.24-6etch1_ia64.deb
http://security.debian.org/pool/updates/main/s/samba/winbind_3.0.24-6etch1_ia64.deb
http://security.debian.org/pool/updates/main/s/samba/libpam-smbpass_3.0.24-6etch1_ia64.deb
http://security.debian.org/pool/updates/main/s/samba/python-samba_3.0.24-6etch1_ia64.deb
http://security.debian.org/pool/updates/main/s/samba/samba-common_3.0.24-6etch1_ia64.deb
http://security.debian.org/pool/updates/main/s/samba/swat_3.0.24-6etch1_ia64.deb
http://security.debian.org/pool/updates/main/s/samba/samba_3.0.24-6etch1_ia64.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient-dev_3.0.24-6etch1_ia64.deb
Big-endian MIPS:
http://security.debian.org/pool/updates/main/s/samba/libpam-smbpass_3.0.24-6etch1_mips.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient_3.0.24-6etch1_mips.deb
http://security.debian.org/pool/updates/main/s/samba/winbind_3.0.24-6etch1_mips.deb
http://security.debian.org/pool/updates/main/s/samba/python-samba_3.0.24-6etch1_mips.deb
http://security.debian.org/pool/updates/main/s/samba/smbclient_3.0.24-6etch1_mips.deb
http://security.debian.org/pool/updates/main/s/samba/samba_3.0.24-6etch1_mips.deb
http://security.debian.org/pool/updates/main/s/samba/smbfs_3.0.24-6etch1_mips.deb
http://security.debian.org/pool/updates/main/s/samba/swat_3.0.24-6etch1_mips.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient-dev_3.0.24-6etch1_mips.deb
http://security.debian.org/pool/updates/main/s/samba/samba-common_3.0.24-6etch1_mips.deb
http://security.debian.org/pool/updates/main/s/samba/samba-dbg_3.0.24-6etch1_mips.deb
Little-endian MIPS:
http://security.debian.org/pool/updates/main/s/samba/samba-common_3.0.24-6etch1_mipsel.deb
http://security.debian.org/pool/updates/main/s/samba/samba_3.0.24-6etch1_mipsel.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient-dev_3.0.24-6etch1_mipsel.deb
http://security.debian.org/pool/updates/main/s/samba/swat_3.0.24-6etch1_mipsel.deb
http://security.debian.org/pool/updates/main/s/samba/smbfs_3.0.24-6etch1_mipsel.deb
http://security.debian.org/pool/updates/main/s/samba/winbind_3.0.24-6etch1_mipsel.deb
http://security.debian.org/pool/updates/main/s/samba/smbclient_3.0.24-6etch1_mipsel.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient_3.0.24-6etch1_mipsel.deb
http://security.debian.org/pool/updates/main/s/samba/samba-dbg_3.0.24-6etch1_mipsel.deb
http://security.debian.org/pool/updates/main/s/samba/libpam-smbpass_3.0.24-6etch1_mipsel.deb
http://security.debian.org/pool/updates/main/s/samba/python-samba_3.0.24-6etch1_mipsel.deb
PowerPC:
http://security.debian.org/pool/updates/main/s/samba/swat_3.0.24-6etch1_powerpc.deb
http://security.debian.org/pool/updates/main/s/samba/winbind_3.0.24-6etch1_powerpc.deb
http://security.debian.org/pool/updates/main/s/samba/smbfs_3.0.24-6etch1_powerpc.deb
http://security.debian.org/pool/updates/main/s/samba/samba-common_3.0.24-6etch1_powerpc.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient-dev_3.0.24-6etch1_powerpc.deb
http://security.debian.org/pool/updates/main/s/samba/samba-dbg_3.0.24-6etch1_powerpc.deb
http://security.debian.org/pool/updates/main/s/samba/python-samba_3.0.24-6etch1_powerpc.deb
http://security.debian.org/pool/updates/main/s/samba/libpam-smbpass_3.0.24-6etch1_powerpc.deb
http://security.debian.org/pool/updates/main/s/samba/smbclient_3.0.24-6etch1_powerpc.deb
http://security.debian.org/pool/updates/main/s/samba/samba_3.0.24-6etch1_powerpc.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient_3.0.24-6etch1_powerpc.deb
IBM S/390:
http://security.debian.org/pool/updates/main/s/samba/libsmbclient-dev_3.0.24-6etch1_s390.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient_3.0.24-6etch1_s390.deb
http://security.debian.org/pool/updates/main/s/samba/swat_3.0.24-6etch1_s390.deb
http://security.debian.org/pool/updates/main/s/samba/samba-dbg_3.0.24-6etch1_s390.deb
http://security.debian.org/pool/updates/main/s/samba/winbind_3.0.24-6etch1_s390.deb
http://security.debian.org/pool/updates/main/s/samba/python-samba_3.0.24-6etch1_s390.deb
http://security.debian.org/pool/updates/main/s/samba/libpam-smbpass_3.0.24-6etch1_s390.deb
http://security.debian.org/pool/updates/main/s/samba/smbfs_3.0.24-6etch1_s390.deb
http://security.debian.org/pool/updates/main/s/samba/samba-common_3.0.24-6etch1_s390.deb
http://security.debian.org/pool/updates/main/s/samba/samba_3.0.24-6etch1_s390.deb
http://security.debian.org/pool/updates/main/s/samba/smbclient_3.0.24-6etch1_s390.deb
Sun Sparc:
http://security.debian.org/pool/updates/main/s/samba/samba-dbg_3.0.24-6etch1_sparc.deb
http://security.debian.org/pool/updates/main/s/samba/samba_3.0.24-6etch1_sparc.deb
http://security.debian.org/pool/updates/main/s/samba/libpam-smbpass_3.0.24-6etch1_sparc.deb
http://security.debian.org/pool/updates/main/s/samba/python-samba_3.0.24-6etch1_sparc.deb
http://security.debian.org/pool/updates/main/s/samba/samba-common_3.0.24-6etch1_sparc.deb
http://security.debian.org/pool/updates/main/s/samba/smbfs_3.0.24-6etch1_sparc.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient-dev_3.0.24-6etch1_sparc.deb
http://security.debian.org/pool/updates/main/s/samba/winbind_3.0.24-6etch1_sparc.deb
http://security.debian.org/pool/updates/main/s/samba/smbclient_3.0.24-6etch1_sparc.deb
http://security.debian.org/pool/updates/main/s/samba/libsmbclient_3.0.24-6etch1_sparc.deb
http://security.debian.org/pool/updates/main/s/samba/swat_3.0.24-6etch1_sparc.deb

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