int(3955)

Boletines de Vulnerabilidades

Múltiples vulnerabilidades en Python

Clasificación de la vulnerabilidad
Propiedad Valor
Nivel de Confianza Oficial
Impacto Obtener acceso
Dificultad Avanzado
Requerimientos del atacante Acceso remoto sin cuenta a un servicio estandar

Información sobre el sistema
Propiedad Valor
Fabricante afectado GNU/Linux
Software afectado Python <= 2.5.2

Descripción
Se han encontrado múltiples vulnerabilidades en Python 2.5.2 y anteriores. Las vulnerabilidades son descritas a continuación:

- CVE-2008-1721: Se ha encontrado una vulnerabilidad de tipo desbordamiento de búfer. La vulnerabilidad reside en un error en la comprobación de los límites en el módulo zlib. Un atacante remoto podría ejecutar código arbitrario mediante un valor entero negativo con signo en el parámetro del método "flush()". Existe una prueba de concepto disponible.

- CVE-2008-1887: La vulnerabilidad reside en un error en la validación de la entrada en la función "PyString_FromStringAndSize()". Un atacante remoto podría ejecutar código arbitrario mediante un valor de tamaño negativo en el parámetro de la función "PyString_FromStringAndSize()".

- CVE-2008-1679: Se han encontrado múltiples desbordamientos de enteros. Las vulnerabilidades residen en errores no especificados en el fichero "imageop.c". Un atacante remoto podría causar una denegación de servicio y posiblemente ejecutar código arbitrario mediante una imagen especialmente diseñada.

Solución


Actualización de software

Debian (DSA-1551-1)

Debian Linux 4.0
Source
http://security.debian.org/pool/updates/main/p/python2.4/python2.4_2.4.4-3+etch1.diff.gz
http://security.debian.org/pool/updates/main/p/python2.4/python2.4_2.4.4.orig.tar.gz
http://security.debian.org/pool/updates/main/p/python2.4/python2.4_2.4.4-3+etch1.dsc
Architecture independent packages:
http://security.debian.org/pool/updates/main/p/python2.4/python2.4-examples_2.4.4-3+etch1_all.deb
http://security.debian.org/pool/updates/main/p/python2.4/idle-python2.4_2.4.4-3+etch1_all.deb
alpha (DEC Alpha)
http://security.debian.org/pool/updates/main/p/python2.4/python2.4_2.4.4-3+etch1_alpha.deb
http://security.debian.org/pool/updates/main/p/python2.4/python2.4-dev_2.4.4-3+etch1_alpha.deb
http://security.debian.org/pool/updates/main/p/python2.4/python2.4-dbg_2.4.4-3+etch1_alpha.deb
http://security.debian.org/pool/updates/main/p/python2.4/python2.4-minimal_2.4.4-3+etch1_alpha.deb
amd64 (AMD x86_64 (AMD64))
http://security.debian.org/pool/updates/main/p/python2.4/python2.4_2.4.4-3+etch1_amd64.deb
http://security.debian.org/pool/updates/main/p/python2.4/python2.4-dev_2.4.4-3+etch1_amd64.deb
http://security.debian.org/pool/updates/main/p/python2.4/python2.4-minimal_2.4.4-3+etch1_amd64.deb
http://security.debian.org/pool/updates/main/p/python2.4/python2.4-dbg_2.4.4-3+etch1_amd64.deb
arm (ARM)
http://security.debian.org/pool/updates/main/p/python2.4/python2.4_2.4.4-3+etch1_arm.deb
http://security.debian.org/pool/updates/main/p/python2.4/python2.4-minimal_2.4.4-3+etch1_arm.deb
http://security.debian.org/pool/updates/main/p/python2.4/python2.4-dev_2.4.4-3+etch1_arm.deb
http://security.debian.org/pool/updates/main/p/python2.4/python2.4-dbg_2.4.4-3+etch1_arm.deb
hppa (HP PA RISC)
http://security.debian.org/pool/updates/main/p/python2.4/python2.4_2.4.4-3+etch1_hppa.deb
http://security.debian.org/pool/updates/main/p/python2.4/python2.4-dbg_2.4.4-3+etch1_hppa.deb
http://security.debian.org/pool/updates/main/p/python2.4/python2.4-dev_2.4.4-3+etch1_hppa.deb
http://security.debian.org/pool/updates/main/p/python2.4/python2.4-minimal_2.4.4-3+etch1_hppa.deb
i386 (Intel ia32)
http://security.debian.org/pool/updates/main/p/python2.4/python2.4_2.4.4-3+etch1_i386.deb
http://security.debian.org/pool/updates/main/p/python2.4/python2.4-dev_2.4.4-3+etch1_i386.deb
http://security.debian.org/pool/updates/main/p/python2.4/python2.4-dbg_2.4.4-3+etch1_i386.deb
http://security.debian.org/pool/updates/main/p/python2.4/python2.4-minimal_2.4.4-3+etch1_i386.deb
ia64 (Intel ia64)
http://security.debian.org/pool/updates/main/p/python2.4/python2.4_2.4.4-3+etch1_ia64.deb
http://security.debian.org/pool/updates/main/p/python2.4/python2.4-dev_2.4.4-3+etch1_ia64.deb
http://security.debian.org/pool/updates/main/p/python2.4/python2.4-minimal_2.4.4-3+etch1_ia64.deb
http://security.debian.org/pool/updates/main/p/python2.4/python2.4-dbg_2.4.4-3+etch1_ia64.deb
mips (MIPS (Big Endian))
http://security.debian.org/pool/updates/main/p/python2.4/python2.4_2.4.4-3+etch1_mips.deb
http://security.debian.org/pool/updates/main/p/python2.4/python2.4-dev_2.4.4-3+etch1_mips.deb
http://security.debian.org/pool/updates/main/p/python2.4/python2.4-dbg_2.4.4-3+etch1_mips.deb
http://security.debian.org/pool/updates/main/p/python2.4/python2.4-minimal_2.4.4-3+etch1_mips.deb
mipsel (MIPS (Little Endian))
http://security.debian.org/pool/updates/main/p/python2.4/python2.4-dev_2.4.4-3+etch1_mipsel.deb
http://security.debian.org/pool/updates/main/p/python2.4/python2.4-minimal_2.4.4-3+etch1_mipsel.deb
http://security.debian.org/pool/updates/main/p/python2.4/python2.4-dbg_2.4.4-3+etch1_mipsel.deb
http://security.debian.org/pool/updates/main/p/python2.4/python2.4_2.4.4-3+etch1_mipsel.deb
powerpc (PowerPC)
http://security.debian.org/pool/updates/main/p/python2.4/python2.4-dev_2.4.4-3+etch1_powerpc.deb
http://security.debian.org/pool/updates/main/p/python2.4/python2.4-dbg_2.4.4-3+etch1_powerpc.deb
http://security.debian.org/pool/updates/main/p/python2.4/python2.4_2.4.4-3+etch1_powerpc.deb
http://security.debian.org/pool/updates/main/p/python2.4/python2.4-minimal_2.4.4-3+etch1_powerpc.deb
s390 (IBM S/390)
http://security.debian.org/pool/updates/main/p/python2.4/python2.4-minimal_2.4.4-3+etch1_s390.deb
http://security.debian.org/pool/updates/main/p/python2.4/python2.4_2.4.4-3+etch1_s390.deb
http://security.debian.org/pool/updates/main/p/python2.4/python2.4-dev_2.4.4-3+etch1_s390.deb
http://security.debian.org/pool/updates/main/p/python2.4/python2.4-dbg_2.4.4-3+etch1_s390.deb

Debian (DSA 1620-1)

Debian Linux 4.0
Source
http://security.debian.org/pool/updates/main/p/python2.5/python2.5_2.5-5+etch1.dsc
http://security.debian.org/pool/updates/main/p/python2.5/python2.5_2.5.orig.tar.gz
http://security.debian.org/pool/updates/main/p/python2.5/python2.5_2.5-5+etch1.diff.gz
Arquitectura independiente
http://security.debian.org/pool/updates/main/p/python2.5/python2.5-examples_2.5-5+etch1_all.deb
http://security.debian.org/pool/updates/main/p/python2.5/idle-python2.5_2.5-5+etch1_all.deb
alpha (DEC Alpha)
http://security.debian.org/pool/updates/main/p/python2.5/python2.5-minimal_2.5-5+etch1_alpha.deb
http://security.debian.org/pool/updates/main/p/python2.5/python2.5-dev_2.5-5+etch1_alpha.deb
http://security.debian.org/pool/updates/main/p/python2.5/python2.5_2.5-5+etch1_alpha.deb
http://security.debian.org/pool/updates/main/p/python2.5/python2.5-dbg_2.5-5+etch1_alpha.deb
amd64 (AMD x86_64 (AMD64))
http://security.debian.org/pool/updates/main/p/python2.5/python2.5-dbg_2.5-5+etch1_amd64.deb
http://security.debian.org/pool/updates/main/p/python2.5/python2.5_2.5-5+etch1_amd64.deb
http://security.debian.org/pool/updates/main/p/python2.5/python2.5-dev_2.5-5+etch1_amd64.deb
http://security.debian.org/pool/updates/main/p/python2.5/python2.5-minimal_2.5-5+etch1_amd64.deb
arm (ARM)
http://security.debian.org/pool/updates/main/p/python2.5/python2.5-dev_2.5-5+etch1_arm.deb
http://security.debian.org/pool/updates/main/p/python2.5/python2.5-minimal_2.5-5+etch1_arm.deb
http://security.debian.org/pool/updates/main/p/python2.5/python2.5_2.5-5+etch1_arm.deb
http://security.debian.org/pool/updates/main/p/python2.5/python2.5-dbg_2.5-5+etch1_arm.deb
hppa (HP PA RISC)
http://security.debian.org/pool/updates/main/p/python2.5/python2.5-dev_2.5-5+etch1_hppa.deb
http://security.debian.org/pool/updates/main/p/python2.5/python2.5_2.5-5+etch1_hppa.deb
http://security.debian.org/pool/updates/main/p/python2.5/python2.5-minimal_2.5-5+etch1_hppa.deb
http://security.debian.org/pool/updates/main/p/python2.5/python2.5-dbg_2.5-5+etch1_hppa.deb
i386 (Intel ia32)
http://security.debian.org/pool/updates/main/p/python2.5/python2.5-dbg_2.5-5+etch1_i386.deb
http://security.debian.org/pool/updates/main/p/python2.5/python2.5-dev_2.5-5+etch1_i386.deb
http://security.debian.org/pool/updates/main/p/python2.5/python2.5_2.5-5+etch1_i386.deb
http://security.debian.org/pool/updates/main/p/python2.5/python2.5-minimal_2.5-5+etch1_i386.deb
ia64 (Intel ia64)
http://security.debian.org/pool/updates/main/p/python2.5/python2.5-minimal_2.5-5+etch1_ia64.deb
http://security.debian.org/pool/updates/main/p/python2.5/python2.5-dbg_2.5-5+etch1_ia64.deb
http://security.debian.org/pool/updates/main/p/python2.5/python2.5_2.5-5+etch1_ia64.deb
http://security.debian.org/pool/updates/main/p/python2.5/python2.5-dev_2.5-5+etch1_ia64.deb
mips (MIPS (Big Endian))
http://security.debian.org/pool/updates/main/p/python2.5/python2.5-minimal_2.5-5+etch1_mips.deb
http://security.debian.org/pool/updates/main/p/python2.5/python2.5-dev_2.5-5+etch1_mips.deb
http://security.debian.org/pool/updates/main/p/python2.5/python2.5_2.5-5+etch1_mips.deb
http://security.debian.org/pool/updates/main/p/python2.5/python2.5-dbg_2.5-5+etch1_mips.deb
mipsel (MIPS (Little Endian))
http://security.debian.org/pool/updates/main/p/python2.5/python2.5_2.5-5+etch1_mipsel.deb
http://security.debian.org/pool/updates/main/p/python2.5/python2.5-minimal_2.5-5+etch1_mipsel.deb
http://security.debian.org/pool/updates/main/p/python2.5/python2.5-dbg_2.5-5+etch1_mipsel.deb
http://security.debian.org/pool/updates/main/p/python2.5/python2.5-dev_2.5-5+etch1_mipsel.deb
powerpc (PowerPC)
http://security.debian.org/pool/updates/main/p/python2.5/python2.5_2.5-5+etch1_powerpc.deb
http://security.debian.org/pool/updates/main/p/python2.5/python2.5-minimal_2.5-5+etch1_powerpc.deb
http://security.debian.org/pool/updates/main/p/python2.5/python2.5-dbg_2.5-5+etch1_powerpc.deb
http://security.debian.org/pool/updates/main/p/python2.5/python2.5-dev_2.5-5+etch1_powerpc.deb
s390 (IBM S/390)
http://security.debian.org/pool/updates/main/p/python2.5/python2.5-minimal_2.5-5+etch1_s390.deb
http://security.debian.org/pool/updates/main/p/python2.5/python2.5-dev_2.5-5+etch1_s390.deb
http://security.debian.org/pool/updates/main/p/python2.5/python2.5-dbg_2.5-5+etch1_s390.deb
http://security.debian.org/pool/updates/main/p/python2.5/python2.5_2.5-5+etch1_s390.deb
sparc (Sun SPARC/UltraSPARC)
http://security.debian.org/pool/updates/main/p/python2.5/python2.5-dev_2.5-5+etch1_sparc.deb
http://security.debian.org/pool/updates/main/p/python2.5/python2.5-dbg_2.5-5+etch1_sparc.deb
http://security.debian.org/pool/updates/main/p/python2.5/python2.5_2.5-5+etch1_sparc.deb
http://security.debian.org/pool/updates/main/p/python2.5/python2.5-minimal_2.5-5+etch1_sparc.deb

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

Red Hat (RHSA-2009:1176-1)
RHEL Desktop Workstation (v. 5 cliente)
Red Hat Enterprise Linux (v. 5 servidor)
Red Hat Enterprise Linux Desktop (v. 5 cliente)
Red Hat Enterprise Linux EUS (v. 5.3.z servidor)
https://rhn.redhat.com/

Red Hat (RHSA-2009:1177-1)
Red Hat Desktop (v. 4)
Red Hat Enterprise Linux AS (v. 4)
Red Hat Enterprise Linux AS (v. 4.8.z)
Red Hat Enterprise Linux ES (v. 4)
Red Hat Enterprise Linux ES (v. 4.8.z)
Red Hat Enterprise Linux WS (v. 4)
https://rhn.redhat.com/

Red Hat (RHSA-2009:1178-1)
Red Hat Desktop (v. 3)
Red Hat Enterprise Linux AS (v. 3)
Red Hat Enterprise Linux ES (v. 3)
Red Hat Enterprise Linux WS (v. 3)
https://rhn.redhat.com/

Identificadores estándar
Propiedad Valor
CVE CVE-2008-1721
CVE-2008-1887
CVE-2008-1679
BID 28715

Recursos adicionales
Debian Security Advisory (DSA-1551-1)
http://lists.debian.org/debian-security-announce/2008/msg00122.html

Debian Security Advisory (DSA 1620-1)
http://lists.debian.org/debian-security-announce/2008/msg00205.html

SUSE Security Advisory (SUSE-SR:2008:017)
http://www.novell.com/linux/security/advisories/2008_17_sr.html

Red Hat Security Advisory (RHSA-2009:1176-1)
https://rhn.redhat.com/errata/RHSA-2009-1176.html

Red Hat Security Advisory (RHSA-2009:1177-1)
https://rhn.redhat.com/errata/RHSA-2009-1177.html

Red Hat Security Advisory (RHSA-2009:1178-1)
https://rhn.redhat.com/errata/RHSA-2009-1178.html

Histórico de versiones
Versión Comentario Fecha
1.0 Aviso emitido 2008-04-22
1.1 Aviso emitido por Debian (DSA 1620-1) 2008-07-28
1.2 Aviso emitido por Suse (SUSE-SR:2008:017) 2008-09-01
1.3 Aviso emitido por Red Hat (RHSA-2009:1176-1), aviso emitido por Red Hat (RHSA-2009:1177-1), aviso emitido por Red Hat (RHSA-2009:1178-1) 2009-07-28

Miembros de

CERT
FIRST
TF-CSIRT
EGC Group
UE
Red Nacional de SOC
Foro Nacional de Ciberseguridad
CSIRT.es
Ministerio de Defensa
CNI
CNI
CCN-CERT
CNI
CNI