Boletines de Vulnerabilidades

int(3840)

Boletines de Vulnerabilidades

Salto de restricciones de seguridad en D-bus
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	D-bus < 1.0.3
Descripción
Se ha descubierto una vulnerabilidad en D-bus, un sistema para enviar mensajes entre aplicaciones. La vulnerabilidad reside en un error en la manera como el "dbus-daemon" aplica las políticas de seguridad. Un atacante remoto podría saltarse restricciones de seguridad y ejecutar ciertas llamadas restringidas para usuarios no autorizados.
Solución
Actualización de software Red Hat (RHSA-2008:0159-3) RHEL Desktop Workstation (v. 5 cliente) Red Hat Enterprise Linux (v. 5 servidor) Red Hat Enterprise Linux Desktop (v. 5 cliente) https://rhn.redhat.com/ Debian (DSA-1599-1) Debian Linux 4.0 Source http://security.debian.org/pool/updates/main/d/dbus/dbus_1.0.2.orig.tar.gz http://security.debian.org/pool/updates/main/d/dbus/dbus_1.0.2-1+etch1.dsc http://security.debian.org/pool/updates/main/d/dbus/dbus_1.0.2-1+etch1.diff.gz independent packages: http://security.debian.org/pool/updates/main/d/dbus/dbus-1-doc_1.0.2-1+etch1_all.deb alpha (DEC Alpha) http://security.debian.org/pool/updates/main/d/dbus/dbus-1-utils_1.0.2-1+etch1_alpha.deb http://security.debian.org/pool/updates/main/d/dbus/libdbus-1-dev_1.0.2-1+etch1_alpha.deb http://security.debian.org/pool/updates/main/d/dbus/libdbus-1-3_1.0.2-1+etch1_alpha.deb http://security.debian.org/pool/updates/main/d/dbus/dbus_1.0.2-1+etch1_alpha.deb amd64 (AMD x86_64 (AMD64)) http://security.debian.org/pool/updates/main/d/dbus/dbus-1-utils_1.0.2-1+etch1_amd64.deb http://security.debian.org/pool/updates/main/d/dbus/dbus_1.0.2-1+etch1_amd64.deb http://security.debian.org/pool/updates/main/d/dbus/libdbus-1-dev_1.0.2-1+etch1_amd64.deb http://security.debian.org/pool/updates/main/d/dbus/libdbus-1-3_1.0.2-1+etch1_amd64.deb hppa (HP PA RISC) http://security.debian.org/pool/updates/main/d/dbus/dbus_1.0.2-1+etch1_hppa.deb http://security.debian.org/pool/updates/main/d/dbus/dbus-1-utils_1.0.2-1+etch1_hppa.deb http://security.debian.org/pool/updates/main/d/dbus/libdbus-1-dev_1.0.2-1+etch1_hppa.deb http://security.debian.org/pool/updates/main/d/dbus/libdbus-1-3_1.0.2-1+etch1_hppa.deb i386 (Intel ia32) http://security.debian.org/pool/updates/main/d/dbus/dbus_1.0.2-1+etch1_i386.deb http://security.debian.org/pool/updates/main/d/dbus/libdbus-1-dev_1.0.2-1+etch1_i386.deb http://security.debian.org/pool/updates/main/d/dbus/dbus-1-utils_1.0.2-1+etch1_i386.deb http://security.debian.org/pool/updates/main/d/dbus/libdbus-1-3_1.0.2-1+etch1_i386.deb ia64 (Intel ia64) http://security.debian.org/pool/updates/main/d/dbus/dbus-1-utils_1.0.2-1+etch1_ia64.deb http://security.debian.org/pool/updates/main/d/dbus/dbus_1.0.2-1+etch1_ia64.deb http://security.debian.org/pool/updates/main/d/dbus/libdbus-1-dev_1.0.2-1+etch1_ia64.deb http://security.debian.org/pool/updates/main/d/dbus/libdbus-1-3_1.0.2-1+etch1_ia64.deb mips (MIPS (Big Endian)) http://security.debian.org/pool/updates/main/d/dbus/libdbus-1-dev_1.0.2-1+etch1_mips.deb http://security.debian.org/pool/updates/main/d/dbus/dbus-1-utils_1.0.2-1+etch1_mips.deb http://security.debian.org/pool/updates/main/d/dbus/libdbus-1-3_1.0.2-1+etch1_mips.deb http://security.debian.org/pool/updates/main/d/dbus/dbus_1.0.2-1+etch1_mips.deb mipsel (MIPS (Little Endian)) http://security.debian.org/pool/updates/main/d/dbus/libdbus-1-dev_1.0.2-1+etch1_mipsel.deb http://security.debian.org/pool/updates/main/d/dbus/dbus_1.0.2-1+etch1_mipsel.deb http://security.debian.org/pool/updates/main/d/dbus/dbus-1-utils_1.0.2-1+etch1_mipsel.deb http://security.debian.org/pool/updates/main/d/dbus/libdbus-1-3_1.0.2-1+etch1_mipsel.deb powerpc (PowerPC) http://security.debian.org/pool/updates/main/d/dbus/libdbus-1-dev_1.0.2-1+etch1_powerpc.deb http://security.debian.org/pool/updates/main/d/dbus/libdbus-1-3_1.0.2-1+etch1_powerpc.deb http://security.debian.org/pool/updates/main/d/dbus/dbus-1-utils_1.0.2-1+etch1_powerpc.deb http://security.debian.org/pool/updates/main/d/dbus/dbus_1.0.2-1+etch1_powerpc.deb s390 (IBM S/390) http://security.debian.org/pool/updates/main/d/dbus/dbus_1.0.2-1+etch1_s390.deb http://security.debian.org/pool/updates/main/d/dbus/dbus-1-utils_1.0.2-1+etch1_s390.deb http://security.debian.org/pool/updates/main/d/dbus/libdbus-1-3_1.0.2-1+etch1_s390.deb http://security.debian.org/pool/updates/main/d/dbus/libdbus-1-dev_1.0.2-1+etch1_s390.deb sparc (Sun SPARC/UltraSPARC) http://security.debian.org/pool/updates/main/d/dbus/libdbus-1-3_1.0.2-1+etch1_sparc.deb http://security.debian.org/pool/updates/main/d/dbus/dbus-1-utils_1.0.2-1+etch1_sparc.deb http://security.debian.org/pool/updates/main/d/dbus/dbus_1.0.2-1+etch1_sparc.deb http://security.debian.org/pool/updates/main/d/dbus/libdbus-1-dev_1.0.2-1+etch1_sparc.deb
Identificadores estándar
Propiedad	Valor
CVE	CVE-2008-0595
BID
Recursos adicionales
Red Hat Security Advisory (RHSA-2008:0159-3) https://rhn.redhat.com/errata/RHSA-2008-0159.html Debian Security Advisory (DSA-1599-1) http://lists.debian.org/debian-security-announce/2008/msg00179.html