Boletines de Vulnerabilidades

int(4852)

Boletines de Vulnerabilidades

Múltiples vulnerabilidades en Silc-toolkit
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	Silc-toolkit
Descripción
Se han descubierto múltiples vulnerabilidades en Silc-toolkit. Las vulnerabilidades son descritas a continuación: - CVE-2008-7159: La vulnerabilidad reside en un error en la función sscanf() en el codificador ASN1 en arquitecturas de 64bit. Un atacante remoto podría ejecutar código arbitrario mediante una cadena de entrada especialmente diseñada. - CVE-2008-7160: Se ha descubierto una vulnerabilidad el servidor HTTP de silcd para arquitecturas de 64-bit. La vulnerabilidad reside en un error en la función sscanf(). Un atacante remoto podría ejecutar código arbitrario mediante una cabecera Content-Length especialmente diseñada. - CVE-2009-3051: La vulnerabilidad reside en un error en el manejo de mensajes SILC. Un atacante remoto podría ejecutar código arbitrario mediante nicks especialmente diseñado.
Solución
Actualización de software Debian (DSA-1879-1) Debian Linux 5.0 Source http://security.debian.org/pool/updates/main/s/silc-toolkit/silc-toolkit_1.1.7-2+lenny1.dsc http://security.debian.org/pool/updates/main/s/silc-toolkit/silc-toolkit_1.1.7.orig.tar.gz http://security.debian.org/pool/updates/main/s/silc-toolkit/silc-toolkit_1.1.7-2+lenny1.diff.gz http://security.debian.org/pool/updates/main/s/silc-client/silc-client_1.1.4-1+lenny1.dsc http://security.debian.org/pool/updates/main/s/silc-client/silc-client_1.1.4.orig.tar.gz http://security.debian.org/pool/updates/main/s/silc-client/silc-client_1.1.4-1+lenny1.diff.gz alpha (DEC Alpha) http://security.debian.org/pool/updates/main/s/silc-toolkit/libsilc-1.1-2-dbg_1.1.7-2+lenny1_alpha.deb http://security.debian.org/pool/updates/main/s/silc-client/irssi-plugin-silc_1.1.4-1+lenny1_alpha.deb http://security.debian.org/pool/updates/main/s/silc-toolkit/libsilc-1.1-2-dev_1.1.7-2+lenny1_alpha.deb http://security.debian.org/pool/updates/main/s/silc-toolkit/libsilc-1.1-2_1.1.7-2+lenny1_alpha.deb http://security.debian.org/pool/updates/main/s/silc-client/silc_1.1.4-1+lenny1_alpha.deb amd64 (AMD x86_64 (AMD64)) http://security.debian.org/pool/updates/main/s/silc-toolkit/libsilc-1.1-2-dev_1.1.7-2+lenny1_amd64.deb http://security.debian.org/pool/updates/main/s/silc-toolkit/libsilc-1.1-2-dbg_1.1.7-2+lenny1_amd64.deb http://security.debian.org/pool/updates/main/s/silc-client/silc_1.1.4-1+lenny1_amd64.deb http://security.debian.org/pool/updates/main/s/silc-client/irssi-plugin-silc_1.1.4-1+lenny1_amd64.deb http://security.debian.org/pool/updates/main/s/silc-toolkit/libsilc-1.1-2_1.1.7-2+lenny1_amd64.deb arm (ARM) http://security.debian.org/pool/updates/main/s/silc-client/silc_1.1.4-1+lenny1_arm.deb http://security.debian.org/pool/updates/main/s/silc-toolkit/libsilc-1.1-2-dev_1.1.7-2+lenny1_arm.deb http://security.debian.org/pool/updates/main/s/silc-toolkit/libsilc-1.1-2_1.1.7-2+lenny1_arm.deb http://security.debian.org/pool/updates/main/s/silc-client/irssi-plugin-silc_1.1.4-1+lenny1_arm.deb http://security.debian.org/pool/updates/main/s/silc-toolkit/libsilc-1.1-2-dbg_1.1.7-2+lenny1_arm.deb armel (ARM EABI) http://security.debian.org/pool/updates/main/s/silc-toolkit/libsilc-1.1-2-dev_1.1.7-2+lenny1_armel.deb http://security.debian.org/pool/updates/main/s/silc-toolkit/libsilc-1.1-2-dbg_1.1.7-2+lenny1_armel.deb http://security.debian.org/pool/updates/main/s/silc-client/silc_1.1.4-1+lenny1_armel.deb http://security.debian.org/pool/updates/main/s/silc-client/irssi-plugin-silc_1.1.4-1+lenny1_armel.deb http://security.debian.org/pool/updates/main/s/silc-toolkit/libsilc-1.1-2_1.1.7-2+lenny1_armel.deb hppa (HP PA RISC) http://security.debian.org/pool/updates/main/s/silc-client/irssi-plugin-silc_1.1.4-1+lenny1_hppa.deb http://security.debian.org/pool/updates/main/s/silc-toolkit/libsilc-1.1-2-dev_1.1.7-2+lenny1_hppa.deb http://security.debian.org/pool/updates/main/s/silc-toolkit/libsilc-1.1-2-dbg_1.1.7-2+lenny1_hppa.deb http://security.debian.org/pool/updates/main/s/silc-client/silc_1.1.4-1+lenny1_hppa.deb http://security.debian.org/pool/updates/main/s/silc-toolkit/libsilc-1.1-2_1.1.7-2+lenny1_hppa.deb i386 (Intel ia32) http://security.debian.org/pool/updates/main/s/silc-toolkit/libsilc-1.1-2-dev_1.1.7-2+lenny1_i386.deb http://security.debian.org/pool/updates/main/s/silc-toolkit/libsilc-1.1-2-dbg_1.1.7-2+lenny1_i386.deb http://security.debian.org/pool/updates/main/s/silc-toolkit/libsilc-1.1-2_1.1.7-2+lenny1_i386.deb http://security.debian.org/pool/updates/main/s/silc-client/irssi-plugin-silc_1.1.4-1+lenny1_i386.deb http://security.debian.org/pool/updates/main/s/silc-client/silc_1.1.4-1+lenny1_i386.deb ia64 (Intel ia64) http://security.debian.org/pool/updates/main/s/silc-client/irssi-plugin-silc_1.1.4-1+lenny1_ia64.deb http://security.debian.org/pool/updates/main/s/silc-toolkit/libsilc-1.1-2_1.1.7-2+lenny1_ia64.deb http://security.debian.org/pool/updates/main/s/silc-client/silc_1.1.4-1+lenny1_ia64.deb http://security.debian.org/pool/updates/main/s/silc-toolkit/libsilc-1.1-2-dbg_1.1.7-2+lenny1_ia64.deb http://security.debian.org/pool/updates/main/s/silc-toolkit/libsilc-1.1-2-dev_1.1.7-2+lenny1_ia64.deb mipsel (MIPS (Little Endian)) http://security.debian.org/pool/updates/main/s/silc-client/silc_1.1.4-1+lenny1_mipsel.deb http://security.debian.org/pool/updates/main/s/silc-toolkit/libsilc-1.1-2_1.1.7-2+lenny1_mipsel.deb http://security.debian.org/pool/updates/main/s/silc-client/irssi-plugin-silc_1.1.4-1+lenny1_mipsel.deb http://security.debian.org/pool/updates/main/s/silc-toolkit/libsilc-1.1-2-dbg_1.1.7-2+lenny1_mipsel.deb http://security.debian.org/pool/updates/main/s/silc-toolkit/libsilc-1.1-2-dev_1.1.7-2+lenny1_mipsel.deb powerpc (PowerPC) http://security.debian.org/pool/updates/main/s/silc-client/irssi-plugin-silc_1.1.4-1+lenny1_powerpc.deb http://security.debian.org/pool/updates/main/s/silc-toolkit/libsilc-1.1-2-dbg_1.1.7-2+lenny1_powerpc.deb http://security.debian.org/pool/updates/main/s/silc-client/silc_1.1.4-1+lenny1_powerpc.deb http://security.debian.org/pool/updates/main/s/silc-toolkit/libsilc-1.1-2_1.1.7-2+lenny1_powerpc.deb http://security.debian.org/pool/updates/main/s/silc-toolkit/libsilc-1.1-2-dev_1.1.7-2+lenny1_powerpc.deb s390 (IBM S/390) http://security.debian.org/pool/updates/main/s/silc-client/irssi-plugin-silc_1.1.4-1+lenny1_s390.deb http://security.debian.org/pool/updates/main/s/silc-toolkit/libsilc-1.1-2_1.1.7-2+lenny1_s390.deb http://security.debian.org/pool/updates/main/s/silc-toolkit/libsilc-1.1-2-dbg_1.1.7-2+lenny1_s390.deb http://security.debian.org/pool/updates/main/s/silc-client/silc_1.1.4-1+lenny1_s390.deb http://security.debian.org/pool/updates/main/s/silc-toolkit/libsilc-1.1-2-dev_1.1.7-2+lenny1_s390.deb sparc (Sun SPARC/UltraSPARC) http://security.debian.org/pool/updates/main/s/silc-toolkit/libsilc-1.1-2_1.1.7-2+lenny1_sparc.deb http://security.debian.org/pool/updates/main/s/silc-client/irssi-plugin-silc_1.1.4-1+lenny1_sparc.deb http://security.debian.org/pool/updates/main/s/silc-toolkit/libsilc-1.1-2-dev_1.1.7-2+lenny1_sparc.deb http://security.debian.org/pool/updates/main/s/silc-client/silc_1.1.4-1+lenny1_sparc.deb http://security.debian.org/pool/updates/main/s/silc-toolkit/libsilc-1.1-2-dbg_1.1.7-2+lenny1_sparc.deb Suse Linux Las actualizaciones pueden descargarse mediante YAST o del servidor FTP oficial de Suse Linux.
Identificadores estándar
Propiedad	Valor
CVE	CVE-2008-7159 CVE-2008-7160 CVE-2009-3051
BID
Recursos adicionales
Debian Security Advisory (DSA-1879-1) http://lists.debian.org/debian-security-announce/2009/msg00198.html SUSE Security Advisory (SUSE-SR:2009:016) http://www.novell.com/linux/security/advisories/2009_16_sr.html