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Servicio de soporte de vulnerabilidadesAnálisis, notificación y seguimiento de aquellas vulnerabilidades más críticas, que impactan especialmente en las tecnologías empleadas en el sector público. El CCN-CERT trabajará en la recopilación y clasificación de las nuevas vulnerabilidades, realizando un análisis teórico y en laboratorio, cuando sea posible, de aquellas que por su criticidad lo requieran.

Se generarán documentos informativos o “abstracts” de dichas vulnerabilidades y se llevará a cabo un seguimiento de la evolución de la vulnerabilidad en Internet, alertando a los organismos ante cambios en la criticidad, aparición de parches, nuevas recomendaciones, constancia de explotaciones activas, etc.

Para inscribirse en este servicio o recibir más información, escribir al correo electrónico: soporte_acreditacion@ccn.cni.es

Abstracts:


Vulnerability Bulletins


Denegación de servicio en el demonio rpc.statd del paquete "nfs-utils" de Linux

Vulnerability classification

Property Value
Confidence level Oficial
Impact Denegación de Servicio
Dificulty Avanzado
Required attacker level Acceso remoto sin cuenta a un servicio exotico

System information

Property Value
Affected manufacturer GNU/Linux
Affected software nfs-utils

Description

Se ha encontrado una vulnerabilidad en el demonio statd del paquete "nfs-utils" de Linux que podría causar una Denegación de Servicio.
El problema se debe a que rpc.statd no ignora la señal "SIGPIPE" la cual haría que el servidor se apagara si una conexión TCP mal configurada o establecida maliciosamente acabase prematuramente.

Solution



Actualización de Software

Mandrake Linux
Mandrake Linux 9.2
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.2/RPMS/nfs-utils-1.0.5-1.1.92mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.2/RPMS/nfs-utils-clients-1.0.5-1.1.92mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.2/SRPMS/nfs-utils-1.0.5-1.1.92mdk.src.rpm
Mandrak Linux 9.2/AMD64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/9.2/RPMS/nfs-utils-1.0.5-1.1.92mdk.amd64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/9.2/RPMS/nfs-utils-clients-1.0.5-1.1.92mdk.amd64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/9.2/SRPMS/nfs-utils-1.0.5-1.1.92mdk.src.rpm
Mandrake Linux 10.0
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.0/RPMS/nfs-utils-1.0.6-2.1.100mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.0/RPMS/nfs-utils-clients-1.0.6-2.1.100mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.0/SRPMS/nfs-utils-1.0.6-2.1.100mdk.src.rpm
Mandrake Linux 10.0/AMD64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/10.0/RPMS/nfs-utils-1.0.6-2.1.100mdk.amd64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/10.0/RPMS/nfs-utils-clients-1.0.6-2.1.100mdk.amd64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/10.0/SRPMS/nfs-utils-1.0.6-2.1.100mdk.src.rpm
Mandrake Linux 10.1
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/RPMS/nfs-utils-1.0.6-2.1.101mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/RPMS/nfs-utils-clients-1.0.6-2.1.101mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/SRPMS/nfs-utils-1.0.6-2.1.101mdk.src.rpm
Mandrakelinux 10.1/X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/RPMS/nfs-utils-1.0.6-2.1.101mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/RPMS/nfs-utils-clients-1.0.6-2.1.101mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/SRPMS/nfs-utils-1.0.6-2.1.101mdk.src.rpm
Corporate Server 2.1
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/2.1/RPMS/nfs-utils-1.0.1-1.2.C21mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/2.1/RPMS/nfs-utils-clients-1.0.1-1.2.C21mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/2.1/SRPMS/nfs-utils-1.0.1-1.2.C21mdk.src.rpm
Corporate Server 2.1/X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/2.1/RPMS/nfs-utils-1.0.1-1.2.C21mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/2.1/RPMS/nfs-utils-clients-1.0.1-1.2.C21mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/2.1/SRPMS/nfs-utils-1.0.1-1.2.C21mdk.src.rpm

Debian Linux

Debian Linux 3.0
Source:
http://security.debian.org/pool/updates/main/n/nfs-utils/nfs-utils_1.0-2woody3.dsc
http://security.debian.org/pool/updates/main/n/nfs-utils/nfs-utils_1.0-2woody3.tar.gz
Arquitectura Alpha:
http://security.debian.org/pool/updates/main/n/nfs-utils/nfs-common_1.0-2woody3_alpha.deb
http://security.debian.org/pool/updates/main/n/nfs-utils/nfs-kernel-server_1.0-2woody3_alpha.deb
http://security.debian.org/pool/updates/main/n/nfs-utils/nhfsstone_1.0-2woody3_alpha.deb
Arquitectura ARM:
http://security.debian.org/pool/updates/main/n/nfs-utils/nfs-common_1.0-2woody3_arm.deb
http://security.debian.org/pool/updates/main/n/nfs-utils/nfs-kernel-server_1.0-2woody3_arm.deb
http://security.debian.org/pool/updates/main/n/nfs-utils/nhfsstone_1.0-2woody3_arm.deb
Arquitectura Intel IA-32:
http://security.debian.org/pool/updates/main/n/nfs-utils/nfs-common_1.0-2woody3_i386.deb
http://security.debian.org/pool/updates/main/n/nfs-utils/nfs-kernel-server_1.0-2woody3_i386.deb
http://security.debian.org/pool/updates/main/n/nfs-utils/nhfsstone_1.0-2woody3_i386.deb
Arquitectura Intel IA-64:
http://security.debian.org/pool/updates/main/n/nfs-utils/nfs-common_1.0-2woody3_ia64.deb
http://security.debian.org/pool/updates/main/n/nfs-utils/nfs-kernel-server_1.0-2woody3_ia64.deb
http://security.debian.org/pool/updates/main/n/nfs-utils/nhfsstone_1.0-2woody3_ia64.deb
Arquitectura HP Precision:
http://security.debian.org/pool/updates/main/n/nfs-utils/nfs-common_1.0-2woody3_hppa.deb
http://security.debian.org/pool/updates/main/n/nfs-utils/nfs-kernel-server_1.0-2woody3_hppa.deb
http://security.debian.org/pool/updates/main/n/nfs-utils/nhfsstone_1.0-2woody3_hppa.deb
Arquitectura Motorola 680x0:
http://security.debian.org/pool/updates/main/n/nfs-utils/nfs-common_1.0-2woody3_m68k.deb
http://security.debian.org/pool/updates/main/n/nfs-utils/nfs-kernel-server_1.0-2woody3_m68k.deb
http://security.debian.org/pool/updates/main/n/nfs-utils/nhfsstone_1.0-2woody3_m68k.deb
Arquitectura Big endian MIPS:
http://security.debian.org/pool/updates/main/n/nfs-utils/nfs-common_1.0-2woody3_mips.deb
http://security.debian.org/pool/updates/main/n/nfs-utils/nfs-kernel-server_1.0-2woody3_mips.deb
http://security.debian.org/pool/updates/main/n/nfs-utils/nhfsstone_1.0-2woody3_mips.deb
Arquitectura Little endian MIPS:
http://security.debian.org/pool/updates/main/n/nfs-utils/nfs-common_1.0-2woody3_mipsel.deb
http://security.debian.org/pool/updates/main/n/nfs-utils/nfs-kernel-server_1.0-2woody3_mipsel.deb
http://security.debian.org/pool/updates/main/n/nfs-utils/nhfsstone_1.0-2woody3_mipsel.deb
Arquitectura PowerPC:
http://security.debian.org/pool/updates/main/n/nfs-utils/nfs-common_1.0-2woody3_powerpc.deb
http://security.debian.org/pool/updates/main/n/nfs-utils/nfs-kernel-server_1.0-2woody3_powerpc.deb
http://security.debian.org/pool/updates/main/n/nfs-utils/nhfsstone_1.0-2woody3_powerpc.deb
Arquitectura IBM S/390:
http://security.debian.org/pool/updates/main/n/nfs-utils/nfs-common_1.0-2woody3_s390.deb
http://security.debian.org/pool/updates/main/n/nfs-utils/nfs-kernel-server_1.0-2woody3_s390.deb
http://security.debian.org/pool/updates/main/n/nfs-utils/nhfsstone_1.0-2woody3_s390.deb
Arquitectura Sun Sparc:
http://security.debian.org/pool/updates/main/n/nfs-utils/nfs-common_1.0-2woody3_sparc.deb
http://security.debian.org/pool/updates/main/n/nfs-utils/nfs-kernel-server_1.0-2woody3_sparc.deb
http://security.debian.org/pool/updates/main/n/nfs-utils/nhfsstone_1.0-2woody3_sparc.deb

Red Hat Linux

Red Hat Desktop (v. 3) & SRPMS:
nfs-utils-1.0.6-33EL.src.rpm t

Red Hat Desktop (v. 3) & IA-32:
nfs-utils-1.0.6-33EL.i386.rpm t

Red Hat Desktop (v. 3) & x86_64:
nfs-utils-1.0.6-33EL.x86_64.rpm t

Red Hat Enterprise Linux AS (v. 3) & SRPMS:
nfs-utils-1.0.6-33EL.src.rpm t

Red Hat Enterprise Linux AS (v. 3) & IA-32:
nfs-utils-1.0.6-33EL.i386.rpm t

Red Hat Enterprise Linux AS (v. 3) & IA-64:
nfs-utils-1.0.6-33EL.ia64.rpm t

Red Hat Enterprise Linux AS (v. 3) & PPC:
nfs-utils-1.0.6-33EL.ppc.rpm t

Red Hat Enterprise Linux AS (v. 3) & s390:
nfs-utils-1.0.6-33EL.s390.rpm t

Red Hat Enterprise Linux AS (v. 3) & s390x:
nfs-utils-1.0.6-33EL.s390x.rpm t

Red Hat Enterprise Linux AS (v. 3) & x86_64:
nfs-utils-1.0.6-33EL.x86_64.rpm t

Red Hat Enterprise Linux ES (v. 3) & SRPMS:
nfs-utils-1.0.6-33EL.src.rpm t

Red Hat Enterprise Linux ES (v. 3) & IA-32:
nfs-utils-1.0.6-33EL.i386.rpm t

Red Hat Enterprise Linux ES (v. 3) & IA-64:
nfs-utils-1.0.6-33EL.ia64.rpm t

Red Hat Enterprise Linux ES (v. 3) & x86_64:
nfs-utils-1.0.6-33EL.x86_64.rpm t

Red Hat Enterprise Linux WS (v. 3) & SRPMS:
nfs-utils-1.0.6-33EL.src.rpm t

Red Hat Enterprise Linux WS (v. 3) & IA-32:
nfs-utils-1.0.6-33EL.i386.rpm t

Red Hat Enterprise Linux WS (v. 3) & IA-64:
nfs-utils-1.0.6-33EL.ia64.rpm t

Red Hat Enterprise Linux WS (v. 3) & x86_64:
nfs-utils-1.0.6-33EL.x86_64.rpm
https://rhn.redhat.com/

Red Hat Linux (nuevos parches)

Red Hat Enterprise Linux AS (v. 2.1) / SRPMS:
nfs-utils-0.3.3-11.src.rpm

Red Hat Enterprise Linux AS (v. 2.1) / IA-32:
nfs-utils-0.3.3-11.i386.rpm t

Red Hat Enterprise Linux AS (v. 2.1) / IA-64:
nfs-utils-0.3.3-11.ia64.rpm t

Red Hat Enterprise Linux ES (v. 2.1) / SRPMS:
nfs-utils-0.3.3-11.src.rpm t

Red Hat Enterprise Linux ES (v. 2.1) / IA-32:
nfs-utils-0.3.3-11.i386.rpm t

Red Hat Enterprise Linux WS (v. 2.1) / SRPMS:
nfs-utils-0.3.3-11.src.rpm t

Red Hat Enterprise Linux WS (v. 2.1) / IA-32:
nfs-utils-0.3.3-11.i386.rpm t

Red Hat Linux Advanced Workstation 2.1 for the Itanium Processor / SRPMS:
nfs-utils-0.3.3-11.src.rpm t

Red Hat Linux Advanced Workstation 2.1 for the Itanium Processor / IA-64:
nfs-utils-0.3.3-11.ia64.rpm
https://rhn.redhat.com/

Standar resources

Property Value
CVE CAN-2004-1014
BID NULL

Other resources

Mandrake Linux security advisory (MDKSA-2004:146)
http://www.mandrakesoft.com/security/advisories?name=MDKSA-2004:146

Debian Security Advisory DSA 606-1
http://lists.debian.org/debian-security-announce/debian-security-announce-2004/msg00215.html

Red Hat Linux Security Advisory (RHSA-2004:583-09)
https://rhn.redhat.com/errata/RHSA-2004-583.html

Red Hat Linux Security Advisory RHSA-2005:014-04
https://rhn.redhat.com/errata/RHSA-2005-014.html

Version history

Version Comments Date
1.0 Aviso emitido 2004-12-07
1.1 Aviso emitido por Debian Linux (DSA 606-1) 2004-12-09
1.2 Aviso emitido por Red Hat Linux (RHSA-2004:583-09) 2004-12-21
1.3 Nuevo aviso emitido por Red Hat Linux (RHSA-2005:014-04) 2005-01-13
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