int(5145)

Boletines de Vulnerabilidades


Denegación de servicio en Samba

Clasificación de la vulnerabilidad

Propiedad Valor
Nivel de Confianza Oficial
Impacto Denegación de Servicio
Dificultad Experto
Requerimientos del atacante Acceso remoto sin cuenta a un servicio estandar

Información sobre el sistema

Propiedad Valor
Fabricante afectado GNU/Linux
Software afectado Samba 3.4.x < 3.4.6

Descripción

Se ha descubierto una vulnerabilidad en Samba 3.4.5. La vulnerabilidad reside en un error que no verifica si el nombre del dispositivo y el punto de montaje contienen caracteres válidos en "client/mount.cifs.c" en "mount.cifs".
Un atacante local podría causar una denegación de servicio o una corrupción del fichero "mtab" mediante una cadena de caracateres especialmente diseñada.

Solución



Actualización de software

Debian (DSA-2004-1)
Debian Linux 5.0 Source http://security.debian.org/pool/updates/main/s/samba/samba_3.2.5-4lenny9.dsc http://security.debian.org/pool/updates/main/s/samba/samba_3.2.5-4lenny9.diff.gz Arquitectura independiente: http://security.debian.org/pool/updates/main/s/samba/samba-doc-pdf_3.2.5-4lenny9_all.deb http://security.debian.org/pool/updates/main/s/samba/samba-doc_3.2.5-4lenny9_all.deb alpha (DEC Alpha) http://security.debian.org/pool/updates/main/s/samba/smbfs_3.2.5-4lenny9_alpha.deb http://security.debian.org/pool/updates/main/s/samba/libsmbclient_3.2.5-4lenny9_alpha.deb http://security.debian.org/pool/updates/main/s/samba/libpam-smbpass_3.2.5-4lenny9_alpha.deb http://security.debian.org/pool/updates/main/s/samba/libsmbclient-dev_3.2.5-4lenny9_alpha.deb http://security.debian.org/pool/updates/main/s/samba/winbind_3.2.5-4lenny9_alpha.deb http://security.debian.org/pool/updates/main/s/samba/samba-dbg_3.2.5-4lenny9_alpha.deb http://security.debian.org/pool/updates/main/s/samba/smbclient_3.2.5-4lenny9_alpha.deb http://security.debian.org/pool/updates/main/s/samba/samba-common_3.2.5-4lenny9_alpha.deb http://security.debian.org/pool/updates/main/s/samba/libwbclient0_3.2.5-4lenny9_alpha.deb http://security.debian.org/pool/updates/main/s/samba/samba_3.2.5-4lenny9_alpha.deb http://security.debian.org/pool/updates/main/s/samba/samba-tools_3.2.5-4lenny9_alpha.deb http://security.debian.org/pool/updates/main/s/samba/swat_3.2.5-4lenny9_alpha.deb amd64 (AMD x86_64 (AMD64)) http://security.debian.org/pool/updates/main/s/samba/samba-dbg_3.2.5-4lenny9_amd64.deb http://security.debian.org/pool/updates/main/s/samba/samba_3.2.5-4lenny9_amd64.deb http://security.debian.org/pool/updates/main/s/samba/smbclient_3.2.5-4lenny9_amd64.deb http://security.debian.org/pool/updates/main/s/samba/swat_3.2.5-4lenny9_amd64.deb http://security.debian.org/pool/updates/main/s/samba/libpam-smbpass_3.2.5-4lenny9_amd64.deb http://security.debian.org/pool/updates/main/s/samba/libsmbclient_3.2.5-4lenny9_amd64.deb http://security.debian.org/pool/updates/main/s/samba/samba-tools_3.2.5-4lenny9_amd64.deb http://security.debian.org/pool/updates/main/s/samba/libsmbclient-dev_3.2.5-4lenny9_amd64.deb http://security.debian.org/pool/updates/main/s/samba/winbind_3.2.5-4lenny9_amd64.deb http://security.debian.org/pool/updates/main/s/samba/smbfs_3.2.5-4lenny9_amd64.deb http://security.debian.org/pool/updates/main/s/samba/libwbclient0_3.2.5-4lenny9_amd64.deb http://security.debian.org/pool/updates/main/s/samba/samba-common_3.2.5-4lenny9_amd64.deb arm (ARM) http://security.debian.org/pool/updates/main/s/samba/samba-tools_3.2.5-4lenny9_arm.deb http://security.debian.org/pool/updates/main/s/samba/samba_3.2.5-4lenny9_arm.deb http://security.debian.org/pool/updates/main/s/samba/smbclient_3.2.5-4lenny9_arm.deb http://security.debian.org/pool/updates/main/s/samba/libwbclient0_3.2.5-4lenny9_arm.deb http://security.debian.org/pool/updates/main/s/samba/samba-common_3.2.5-4lenny9_arm.deb http://security.debian.org/pool/updates/main/s/samba/samba-dbg_3.2.5-4lenny9_arm.deb http://security.debian.org/pool/updates/main/s/samba/winbind_3.2.5-4lenny9_arm.deb http://security.debian.org/pool/updates/main/s/samba/libpam-smbpass_3.2.5-4lenny9_arm.deb http://security.debian.org/pool/updates/main/s/samba/libsmbclient-dev_3.2.5-4lenny9_arm.deb http://security.debian.org/pool/updates/main/s/samba/swat_3.2.5-4lenny9_arm.deb http://security.debian.org/pool/updates/main/s/samba/libsmbclient_3.2.5-4lenny9_arm.deb http://security.debian.org/pool/updates/main/s/samba/smbfs_3.2.5-4lenny9_arm.deb armel (ARM EABI) http://security.debian.org/pool/updates/main/s/samba/samba-tools_3.2.5-4lenny9_armel.deb http://security.debian.org/pool/updates/main/s/samba/winbind_3.2.5-4lenny9_armel.deb http://security.debian.org/pool/updates/main/s/samba/libwbclient0_3.2.5-4lenny9_armel.deb http://security.debian.org/pool/updates/main/s/samba/libpam-smbpass_3.2.5-4lenny9_armel.deb http://security.debian.org/pool/updates/main/s/samba/samba_3.2.5-4lenny9_armel.deb http://security.debian.org/pool/updates/main/s/samba/libsmbclient_3.2.5-4lenny9_armel.deb http://security.debian.org/pool/updates/main/s/samba/libsmbclient-dev_3.2.5-4lenny9_armel.deb http://security.debian.org/pool/updates/main/s/samba/samba-dbg_3.2.5-4lenny9_armel.deb http://security.debian.org/pool/updates/main/s/samba/smbfs_3.2.5-4lenny9_armel.deb http://security.debian.org/pool/updates/main/s/samba/swat_3.2.5-4lenny9_armel.deb http://security.debian.org/pool/updates/main/s/samba/smbclient_3.2.5-4lenny9_armel.deb http://security.debian.org/pool/updates/main/s/samba/samba-common_3.2.5-4lenny9_armel.deb hppa (HP PA RISC) http://security.debian.org/pool/updates/main/s/samba/samba-common_3.2.5-4lenny9_hppa.deb http://security.debian.org/pool/updates/main/s/samba/libwbclient0_3.2.5-4lenny9_hppa.deb http://security.debian.org/pool/updates/main/s/samba/smbfs_3.2.5-4lenny9_hppa.deb http://security.debian.org/pool/updates/main/s/samba/libsmbclient-dev_3.2.5-4lenny9_hppa.deb http://security.debian.org/pool/updates/main/s/samba/samba-tools_3.2.5-4lenny9_hppa.deb http://security.debian.org/pool/updates/main/s/samba/smbclient_3.2.5-4lenny9_hppa.deb http://security.debian.org/pool/updates/main/s/samba/libsmbclient_3.2.5-4lenny9_hppa.deb http://security.debian.org/pool/updates/main/s/samba/swat_3.2.5-4lenny9_hppa.deb http://security.debian.org/pool/updates/main/s/samba/winbind_3.2.5-4lenny9_hppa.deb http://security.debian.org/pool/updates/main/s/samba/libpam-smbpass_3.2.5-4lenny9_hppa.deb http://security.debian.org/pool/updates/main/s/samba/samba-dbg_3.2.5-4lenny9_hppa.deb http://security.debian.org/pool/updates/main/s/samba/samba_3.2.5-4lenny9_hppa.deb i386 (Intel ia32) http://security.debian.org/pool/updates/main/s/samba/libsmbclient-dev_3.2.5-4lenny9_i386.deb http://security.debian.org/pool/updates/main/s/samba/samba-tools_3.2.5-4lenny9_i386.deb http://security.debian.org/pool/updates/main/s/samba/swat_3.2.5-4lenny9_i386.deb http://security.debian.org/pool/updates/main/s/samba/samba-common_3.2.5-4lenny9_i386.deb http://security.debian.org/pool/updates/main/s/samba/winbind_3.2.5-4lenny9_i386.deb http://security.debian.org/pool/updates/main/s/samba/samba-dbg_3.2.5-4lenny9_i386.deb http://security.debian.org/pool/updates/main/s/samba/smbfs_3.2.5-4lenny9_i386.deb http://security.debian.org/pool/updates/main/s/samba/libwbclient0_3.2.5-4lenny9_i386.deb http://security.debian.org/pool/updates/main/s/samba/libpam-smbpass_3.2.5-4lenny9_i386.deb http://security.debian.org/pool/updates/main/s/samba/smbclient_3.2.5-4lenny9_i386.deb http://security.debian.org/pool/updates/main/s/samba/libsmbclient_3.2.5-4lenny9_i386.deb http://security.debian.org/pool/updates/main/s/samba/samba_3.2.5-4lenny9_i386.deb ia64 (Intel ia64) http://security.debian.org/pool/updates/main/s/samba/libwbclient0_3.2.5-4lenny9_ia64.deb http://security.debian.org/pool/updates/main/s/samba/samba-common_3.2.5-4lenny9_ia64.deb http://security.debian.org/pool/updates/main/s/samba/smbclient_3.2.5-4lenny9_ia64.deb http://security.debian.org/pool/updates/main/s/samba/libpam-smbpass_3.2.5-4lenny9_ia64.deb http://security.debian.org/pool/updates/main/s/samba/samba-tools_3.2.5-4lenny9_ia64.deb http://security.debian.org/pool/updates/main/s/samba/libsmbclient-dev_3.2.5-4lenny9_ia64.deb http://security.debian.org/pool/updates/main/s/samba/samba_3.2.5-4lenny9_ia64.deb http://security.debian.org/pool/updates/main/s/samba/swat_3.2.5-4lenny9_ia64.deb http://security.debian.org/pool/updates/main/s/samba/libsmbclient_3.2.5-4lenny9_ia64.deb http://security.debian.org/pool/updates/main/s/samba/smbfs_3.2.5-4lenny9_ia64.deb http://security.debian.org/pool/updates/main/s/samba/winbind_3.2.5-4lenny9_ia64.deb http://security.debian.org/pool/updates/main/s/samba/samba-dbg_3.2.5-4lenny9_ia64.deb mips (MIPS (Big Endian)) http://security.debian.org/pool/updates/main/s/samba/libsmbclient_3.2.5-4lenny9_mips.deb http://security.debian.org/pool/updates/main/s/samba/libsmbclient-dev_3.2.5-4lenny9_mips.deb http://security.debian.org/pool/updates/main/s/samba/samba-tools_3.2.5-4lenny9_mips.deb http://security.debian.org/pool/updates/main/s/samba/libpam-smbpass_3.2.5-4lenny9_mips.deb http://security.debian.org/pool/updates/main/s/samba/winbind_3.2.5-4lenny9_mips.deb http://security.debian.org/pool/updates/main/s/samba/smbclient_3.2.5-4lenny9_mips.deb http://security.debian.org/pool/updates/main/s/samba/samba-dbg_3.2.5-4lenny9_mips.deb http://security.debian.org/pool/updates/main/s/samba/samba-common_3.2.5-4lenny9_mips.deb http://security.debian.org/pool/updates/main/s/samba/libwbclient0_3.2.5-4lenny9_mips.deb http://security.debian.org/pool/updates/main/s/samba/smbfs_3.2.5-4lenny9_mips.deb http://security.debian.org/pool/updates/main/s/samba/samba_3.2.5-4lenny9_mips.deb http://security.debian.org/pool/updates/main/s/samba/swat_3.2.5-4lenny9_mips.deb mipsel (MIPS (Little Endian)) http://security.debian.org/pool/updates/main/s/samba/libsmbclient_3.2.5-4lenny9_mipsel.deb http://security.debian.org/pool/updates/main/s/samba/winbind_3.2.5-4lenny9_mipsel.deb http://security.debian.org/pool/updates/main/s/samba/libwbclient0_3.2.5-4lenny9_mipsel.deb http://security.debian.org/pool/updates/main/s/samba/smbclient_3.2.5-4lenny9_mipsel.deb http://security.debian.org/pool/updates/main/s/samba/swat_3.2.5-4lenny9_mipsel.deb http://security.debian.org/pool/updates/main/s/samba/libsmbclient-dev_3.2.5-4lenny9_mipsel.deb http://security.debian.org/pool/updates/main/s/samba/samba-dbg_3.2.5-4lenny9_mipsel.deb http://security.debian.org/pool/updates/main/s/samba/samba-common_3.2.5-4lenny9_mipsel.deb http://security.debian.org/pool/updates/main/s/samba/smbfs_3.2.5-4lenny9_mipsel.deb http://security.debian.org/pool/updates/main/s/samba/samba-tools_3.2.5-4lenny9_mipsel.deb http://security.debian.org/pool/updates/main/s/samba/samba_3.2.5-4lenny9_mipsel.deb http://security.debian.org/pool/updates/main/s/samba/libpam-smbpass_3.2.5-4lenny9_mipsel.deb powerpc (PowerPC) http://security.debian.org/pool/updates/main/s/samba/samba-dbg_3.2.5-4lenny9_powerpc.deb http://security.debian.org/pool/updates/main/s/samba/swat_3.2.5-4lenny9_powerpc.deb http://security.debian.org/pool/updates/main/s/samba/winbind_3.2.5-4lenny9_powerpc.deb http://security.debian.org/pool/updates/main/s/samba/smbfs_3.2.5-4lenny9_powerpc.deb http://security.debian.org/pool/updates/main/s/samba/libsmbclient_3.2.5-4lenny9_powerpc.deb http://security.debian.org/pool/updates/main/s/samba/libsmbclient-dev_3.2.5-4lenny9_powerpc.deb http://security.debian.org/pool/updates/main/s/samba/samba-tools_3.2.5-4lenny9_powerpc.deb http://security.debian.org/pool/updates/main/s/samba/libpam-smbpass_3.2.5-4lenny9_powerpc.deb http://security.debian.org/pool/updates/main/s/samba/libwbclient0_3.2.5-4lenny9_powerpc.deb http://security.debian.org/pool/updates/main/s/samba/samba_3.2.5-4lenny9_powerpc.deb http://security.debian.org/pool/updates/main/s/samba/smbclient_3.2.5-4lenny9_powerpc.deb http://security.debian.org/pool/updates/main/s/samba/samba-common_3.2.5-4lenny9_powerpc.deb sparc (Sun SPARC/UltraSPARC) http://security.debian.org/pool/updates/main/s/samba/samba_3.2.5-4lenny9_sparc.deb http://security.debian.org/pool/updates/main/s/samba/swat_3.2.5-4lenny9_sparc.deb http://security.debian.org/pool/updates/main/s/samba/smbclient_3.2.5-4lenny9_sparc.deb http://security.debian.org/pool/updates/main/s/samba/libsmbclient_3.2.5-4lenny9_sparc.deb http://security.debian.org/pool/updates/main/s/samba/samba-dbg_3.2.5-4lenny9_sparc.deb http://security.debian.org/pool/updates/main/s/samba/smbfs_3.2.5-4lenny9_sparc.deb http://security.debian.org/pool/updates/main/s/samba/samba-tools_3.2.5-4lenny9_sparc.deb http://security.debian.org/pool/updates/main/s/samba/libpam-smbpass_3.2.5-4lenny9_sparc.deb http://security.debian.org/pool/updates/main/s/samba/libsmbclient-dev_3.2.5-4lenny9_sparc.deb http://security.debian.org/pool/updates/main/s/samba/winbind_3.2.5-4lenny9_sparc.deb http://security.debian.org/pool/updates/main/s/samba/samba-common_3.2.5-4lenny9_sparc.deb http://security.debian.org/pool/updates/main/s/samba/libwbclient0_3.2.5-4lenny9_sparc.deb Suse Linux Las actualizaciones pueden descargarse mediante YAST o del servidor FTP oficial de Suse Linux.

Red Hat (RHSA-2011:1219-1)
RHEL Desktop Workstation (v. 5 client)
Red Hat Enterprise Linux (v. 5 server)
Red Hat Enterprise Linux AS version 4
Red Hat Enterprise Linux Desktop (v. 5 client)
Red Hat Enterprise Linux Desktop version 4
Red Hat Enterprise Linux ES version 4
Red Hat Enterprise Linux WS version 4
https://rhn.redhat.com/

Red Hat (RHSA-2011:1811-1)
RHEL Desktop Workstation (v. 5 client)
Red Hat Enterprise Linux (v. 5 server)
Red Hat Enterprise Linux AS version 4
Red Hat Enterprise Linux Desktop (v. 5 client)
Red Hat Enterprise Linux Desktop version 4
Red Hat Enterprise Linux ES version 4
Red Hat Enterprise Linux WS version 4
https://rhn.redhat.com/

Identificadores estándar

Propiedad Valor
CVE CVE-2010-0547
BID NULL

Recursos adicionales

Debian Security Advisory (DSA-2004-1)
http://lists.debian.org/debian-security-announce/2010/msg00044.html

SUSE Security Advisory (SUSE-SA:2010:007
http://www.novell.com/linux/security/advisories/2010_7_sr.html

SUSE Security Advisory (SUSE-SA:2010:008)
http://www.novell.com/linux/security/advisories/2010_8_sr.html

Red Hat Security Advisory (RHSA-2011:1219-01)
https://rhn.redhat.com/errata/RHSA-2011:1219-01.html

Red Hat Security Advisory (RHSA-2011:1811-01)
https://rhn.redhat.com/errata/RHSA-2011-1811.html

Histórico de versiones

Versión Comentario Fecha
1.0 Aviso emitido 2010-03-09
1.1 Aviso emitido por Suse (SUSE-SA:2010:007) 2010-04-08
1.2 Aviso emitido por Suse (SUSE-SA:2010:008) 2010-04-22
1.3 Aviso actualizado por Red Hat (RHSA-2011:1219-1) 2011-08-30
1.4 Aviso actualizado por Red Hat (RHSA-2011:1811-1) 2011-12-23

Miembros de

Ministerio de Defensa
CNI
CCN
CCN-CERT