int(5236)

Boletines de Vulnerabilidades


Ejecución remota de código en Libpng

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 estandar

Información sobre el sistema

Propiedad Valor
Fabricante afectado GNU/Linux
Software afectado Libpng 1.0.53
Libpng 1.2.x < 1.2.43
Libpng 1.4.x < 1.4.1

Descripción

Se ha descubierto una vulnerabilidad en Libpng 1.0, 1.2 y 1.4. La vulnerabilidad reside en un error en la función "png_decompress_chunk" en "pngrutil.c".

Un atacante remoto podría causar una denegación de servicio mediante una imagen PNG especialmente diseñada.

Solución



Actualización de software

Debian (DSA-2032-1)

Debian Linux 5.0
Source
http://security.debian.org/pool/updates/main/libp/libpng/libpng_1.2.27-2+lenny3.dsc
http://security.debian.org/pool/updates/main/libp/libpng/libpng_1.2.27.orig.tar.gz
http://security.debian.org/pool/updates/main/libp/libpng/libpng_1.2.27-2+lenny3.diff.gz
Arquitectura independiente:
http://security.debian.org/pool/updates/main/libp/libpng/libpng3_1.2.27-2+lenny3_all.deb
alpha (DEC Alpha)
http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.27-2+lenny3_alpha.udeb
http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.27-2+lenny3_alpha.deb
http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.27-2+lenny3_alpha.deb
amd64 (AMD x86_64 (AMD64))
http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.27-2+lenny3_amd64.udeb
http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.27-2+lenny3_amd64.deb
http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.27-2+lenny3_amd64.deb
arm (ARM)
http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.27-2+lenny3_arm.udeb
http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.27-2+lenny3_arm.deb
http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.27-2+lenny3_arm.deb
armel (ARM EABI)
http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.27-2+lenny3_armel.udeb
http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.27-2+lenny3_armel.deb
http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.27-2+lenny3_armel.deb
hppa (HP PA RISC)
http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.27-2+lenny3_hppa.udeb
http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.27-2+lenny3_hppa.deb
http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.27-2+lenny3_hppa.deb
i386 (Intel ia32)
http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.27-2+lenny3_i386.deb
http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.27-2+lenny3_i386.deb
http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.27-2+lenny3_i386.udeb
ia64 (Intel ia64)
http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.27-2+lenny3_ia64.deb
http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.27-2+lenny3_ia64.udeb
http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.27-2+lenny3_ia64.deb
mipsel (MIPS (Little Endian))
http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.27-2+lenny3_mipsel.deb
http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.27-2+lenny3_mipsel.udeb
http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.27-2+lenny3_mipsel.deb
powerpc (PowerPC)
http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.27-2+lenny3_powerpc.deb
http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.27-2+lenny3_powerpc.udeb
http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.27-2+lenny3_powerpc.deb
s390 (IBM S/390)
http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.27-2+lenny3_s390.udeb
http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.27-2+lenny3_s390.deb
http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.27-2+lenny3_s390.deb
sparc (Sun SPARC/UltraSPARC)
http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.27-2+lenny3_sparc.deb
http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.27-2+lenny3_sparc.udeb
http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.27-2+lenny3_sparc.deb

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

Red Hat (RHSA-2010:0534-1)
Red Hat Enterprise Linux Desktop Workstation (v. 5 cliente)
Red Hat Desktop (v. 3)
Red Hat Enterprise Linux (v. 5 servidor)
Red Hat Enterprise Linux AS (v. 3)
Red Hat Enterprise Linux AS (v. 4)
Red Hat Enterprise Linux Desktop (v. 5 cliente)
Red Hat Enterprise Linux Desktop (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/

Identificadores estándar

Propiedad Valor
CVE CVE-2010-0205
BID 38478

Recursos adicionales

Debian Security Advisory (DSA-2032-1)
http://lists.debian.org/debian-security-announce/2010/msg00072.html

SUSE Security Advisory (SUSE-SR:2010:011)
http://www.novell.com/linux/security/advisories/2010_11_sr.html

Red Hat Security Advisory (RHSA-2010:0534-1)
https://rhn.redhat.com/errata/RHSA-2010-0534.html

Histórico de versiones

Versión Comentario Fecha
1.0 Aviso emitido 2010-04-23
1.1 Aviso emitido por Suse (SUSE-SR:2010:011) 2010-05-19
1.2 Aviso emitido por Red Hat (RHSA-2010:0534-1) 2010-08-10

Miembros de

Ministerio de Defensa
CNI
CCN
CCN-CERT