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DEFENSA FRENTE A LAS CIBERAMENAZAS

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Soporte de vulnerabilidades

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:


Boletines de Vulnerabilidades


Múltiples vulnerabilidades en PHP

Clasificación de la vulnerabilidad

Propiedad Valor
Nivel de Confianza Oficial
Impacto Obtener acceso
Dificultad Experto
Requerimientos del atacante Acceso remoto sin cuenta a un servicio exotico

Información sobre el sistema

Propiedad Valor
Fabricante afectado GNU/Linux
Software afectado PHP 4.4.2
PHP 5.1.2

Descripción

Se han descubierto múltiples vulnerabilidades en las versiones 4.4.2 y 5.1.2 de PHP. Las vulnerabilidades son descritas a continuación:

- CVE-2006-1990: Desbordamiento de entero en la función wordwrap en el código incluido en string.c podría permitir causar un desbordamiento de heap posteriormente en una llamada a memcpy. La explotación de esta vulnerabilidad podría permitir a un atacante remoto ejecutar código arbitrario.

- CVE-2006-1991: Vulnerabilidad en la función substr_compare en el código incluido en string.c podría permitir a un atacante remoto provocar una denegación de servicio debido a un acceso a memoria incorrecto.

Solución



Actualización de software

Mandriva Linux

Corporate Server 3.0
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/libphp_common432-4.3.4-4.16.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/php432-devel-4.3.4-4.16.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/php-cgi-4.3.4-4.16.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/php-cli-4.3.4-4.16.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/SRPMS/php-4.3.4-4.16.C30mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/lib64php_common432-4.3.4-4.16.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/php432-devel-4.3.4-4.16.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/php-cgi-4.3.4-4.16.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/php-cli-4.3.4-4.16.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/SRPMS/php-4.3.4-4.16.C30mdk.src.rpm

Multi Network Firewall 2.0
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/RPMS/libphp_common432-4.3.4-4.16.M20mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/RPMS/php432-devel-4.3.4-4.16.M20mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/RPMS/php-cgi-4.3.4-4.16.M20mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/RPMS/php-cli-4.3.4-4.16.M20mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/SRPMS/php-4.3.4-4.16.M20mdk.src.rpm

Mandrivalinux LE2005
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/libphp_common432-4.3.10-7.12.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/php432-devel-4.3.10-7.12.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/php-cgi-4.3.10-7.12.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/php-cli-4.3.10-7.12.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/SRPMS/php-4.3.10-7.12.102mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/lib64php_common432-4.3.10-7.12.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/php432-devel-4.3.10-7.12.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/php-cgi-4.3.10-7.12.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/php-cli-4.3.10-7.12.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/SRPMS/php-4.3.10-7.12.102mdk.src.rpm

Mandrivalinux 2006
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/libphp5_common5-5.0.4-9.9.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/php-cgi-5.0.4-9.9.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/php-cli-5.0.4-9.9.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/php-devel-5.0.4-9.9.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/php-fcgi-5.0.4-9.9.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/SRPMS/php-5.0.4-9.9.20060mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/lib64php5_common5-5.0.4-9.9.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/php-cgi-5.0.4-9.9.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/php-cli-5.0.4-9.9.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/php-devel-5.0.4-9.9.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/php-fcgi-5.0.4-9.9.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/SRPMS/php-5.0.4-9.9.20060mdk.src.rpm

Mandriva

Corporate Server 3.0
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/libphp_common432-4.3.4-4.18.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/php432-devel-4.3.4-4.18.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/php-cgi-4.3.4-4.18.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/php-cli-4.3.4-4.18.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/php-gd-4.3.4-1.3.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/php-imap-4.3.4-1.3.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/SRPMS/php-4.3.4-4.18.C30mdk.src.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/SRPMS/php-gd-4.3.4-1.3.C30mdk.src.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/SRPMS/php-imap-4.3.4-1.3.C30mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/lib64php_common432-4.3.4-4.18.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/php432-devel-4.3.4-4.18.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/php-cgi-4.3.4-4.18.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/php-cli-4.3.4-4.18.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/php-gd-4.3.4-1.3.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/php-imap-4.3.4-1.3.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/SRPMS/php-4.3.4-4.18.C30mdk.src.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/SRPMS/php-gd-4.3.4-1.3.C30mdk.src.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/SRPMS/php-imap-4.3.4-1.3.C30mdk.src.rpm

Multi Network Firewall 2.0
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/RPMS/libphp_common432-4.3.4-4.18.M20mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/RPMS/php432-devel-4.3.4-4.18.M20mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/RPMS/php-cgi-4.3.4-4.18.M20mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/RPMS/php-cli-4.3.4-4.18.M20mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/RPMS/php-gd-4.3.4-1.3.M20mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/SRPMS/php-4.3.4-4.18.M20mdk.src.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/SRPMS/php-gd-4.3.4-1.3.M20mdk.src.rpm

Mandrivalinux LE2005
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/libphp_common432-4.3.10-7.14.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/php432-devel-4.3.10-7.14.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/php-cgi-4.3.10-7.14.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/php-cli-4.3.10-7.14.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/php-imap-4.3.10-6.3.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/SRPMS/php-4.3.10-7.14.102mdk.src.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/SRPMS/php-imap-4.3.10-6.3.102mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/lib64php_common432-4.3.10-7.14.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/php432-devel-4.3.10-7.14.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/php-cgi-4.3.10-7.14.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/php-cli-4.3.10-7.14.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/php-imap-4.3.10-6.3.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/SRPMS/php-4.3.10-7.14.102mdk.src.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/SRPMS/php-imap-4.3.10-6.3.102mdk.src.rpm

Mandrivalinux 2006
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/libphp5_common5-5.0.4-9.12.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/php-cgi-5.0.4-9.12.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/php-cli-5.0.4-9.12.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/php-curl-5.0.4-1.3.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/php-devel-5.0.4-9.12.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/php-fcgi-5.0.4-9.12.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/php-imap-5.0.4-2.3.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/SRPMS/php-5.0.4-9.12.20060mdk.src.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/SRPMS/php-curl-5.0.4-1.3.20060mdk.src.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/SRPMS/php-imap-5.0.4-2.3.20060mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/lib64php5_common5-5.0.4-9.12.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/php-cgi-5.0.4-9.12.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/php-cli-5.0.4-9.12.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/php-curl-5.0.4-1.3.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/php-devel-5.0.4-9.12.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/php-fcgi-5.0.4-9.12.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/php-imap-5.0.4-2.3.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/SRPMS/php-5.0.4-9.12.20060mdk.src.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/SRPMS/php-curl-5.0.4-1.3.20060mdk.src.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/SRPMS/php-imap-5.0.4-2.3.20060mdk.src.rpm

Red Hat Linux (RHSA-2006:0501-6)
Red Hat Enterprise Linux AS (v. 2.1)
Red Hat Enterprise Linux ES (v. 2.1)
Red Hat Enterprise Linux WS (v. 2.1)
Red Hat Linux Advanced Workstation 2.1 Itanium Processor
https://rhn.redhat.com/

Red Hat (RHSA-2006:0568-8)
Red Hat Desktop (v. 3)
Red Hat Desktop (v. 4)
Red Hat Enterprise Linux AS (v. 3)
Red Hat Enterprise Linux AS (v. 4)
Red Hat Enterprise Linux ES (v. 3)
Red Hat Enterprise Linux ES (v. 4)
Red Hat Enterprise Linux WS (v. 3)
Red Hat Enterprise Linux WS (v. 4)
https://rhn.redhat.com/

Suse Linux
Las actualizaciones pueden descargarse mediante YAST o del servidor FTP oficial de Suse Linux

SGI
Advanced Linux Environment 3 / RPM / Patch 10317
ftp://oss.sgi.com/projects/sgi_propack/download/3/updates/RPMS
Advanced Linux Environment 3 / SRPM / Patch 10317
ftp://oss.sgi.com/projects/sgi_propack/download/3/updates/SRPMS

Apple
Security Update 2006-007
http://www.apple.com/support/downloads/securityupdate20060071039client.html
http://www.apple.com/support/downloads/securityupdate20060071039server.html
http://www.apple.com/support/downloads/securityupdate20060071048clientintel.html
http://www.apple.com/support/downloads/securityupdate20060071048clientppc.html
http://www.apple.com/support/downloads/securityupdate20060071048serverppc.html
http://www.apple.com/support/downloads/securityupdate20060071048serveruniversal.html

Identificadores estándar

Propiedad Valor
CVE CVE-2006-1990
CVE-2006-1991
BID NULL

Recursos adicionales

Mandriva Security Advisory MDKSA-2006:091
http://www.mandriva.com/security/advisories?name=MDKSA-2006:091

Mandriva Security Advisory (MDKSA-2006:122)
http://www.mandriva.com/security/advisories?name=MDKSA-2006:122

Red Hat Security Advisory RHSA-2006:0501-6
https://rhn.redhat.com/errata/RHSA-2006-0501.html

Red Hat Security Advisory (RHSA-2006:0568-8)
https://rhn.redhat.com/errata/RHSA-2006-0568.html

SUSE Security Advisory (SUSE-SA:2006:031)
http://www.novell.com/linux/security/advisories/2006_31_php.html

SGI Security Advisory (20060701-01-U)
ftp://patches.sgi.com/support/free/security/advisories/20060701-01-U.asc

Apple Security Update 2006-007 (304829)
http://docs.info.apple.com/article.html?artnum=304829

Histórico de versiones

Versión Comentario Fecha
1.0 Aviso emitido 2006-05-25
1.1 Aviso emitido por Red Hat (RHSA-2006:0501-6) 2006-05-26
1.2 Aviso emitido por Suse (SUSE-SA:2006:031) 2006-06-17
1.3 Aviso emitido por Red Hat (RHSA-2006:0568-8). Aviso emitido por Mandriva (MDKSA-2006:122) 2006-07-13
1.4 Aviso emitido por SGI (20060701-01-U) 2006-07-21
1.5 Aviso emitido por Apple (304829) 2006-12-04
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