Boletines de Vulnerabilidades

int(3953)

Boletines de Vulnerabilidades

Múltiples desbordamientos de búfer en ClamAV
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	ClamAV 0.92 ClamAV 0.92.1
Descripción
Se han encontrado múltiples vulnerabilidades de tipo desbordamiento de búfer en ClamAV. Las vulnerabilidades son descritas a continuación: - CVE-2008-0314: Se ha encontrado una vulnerabilidad en ClamAV 0.92.1. La vulnerabilidad reside en un error en la comprobación de los límites al procesar ficheros binarios "PeSpin". El error se encuentra en el fichero "spin.c". Un atacante remoto podría ejecutar código arbitrario mediante un fichero binario de tipo "PeSpin" especialmente diseñado con el valor "length" modificado. - CVE-2008-1100: Se ha encontrado una vulnerabilidad en ClamAV 0.92 y 0.92.1. La vulnerabilidad reside en un error en la comprobación de los límites al procesar ficheros binarios "Upack PE". El error se encuentra en la función "cli_scanpe()" del fichero "libclamav/pe.c". Un atacante remoto podría ejecutar código arbitrario mediante un fichero "Unpack PE" especialmente diseñado. - CVE-2008-1833: Se ha encontrado una vulnerabilidad en ClamAV 0.92.1. La vulnerabilidad reside en un error en la comprobación de los límites al procesar ficheros binarios "WWPack-compressed PE". Un atacante remoto podría ejecutar código arbitrario mediante un fichero "WWPack-compressed PE" especialmente diseñado.
Solución
Actualización de software Debian (DSA-1549-1) Debian Linux 4.0 Source http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1dfsg.orig.tar.gz http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1dfsg-3etch11.diff.gz http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1dfsg-3etch11.dsc Arquitectura independiente http://security.debian.org/pool/updates/main/c/clamav/clamav-testfiles_0.90.1dfsg-3etch11_all.deb http://security.debian.org/pool/updates/main/c/clamav/clamav-base_0.90.1dfsg-3etch11_all.deb http://security.debian.org/pool/updates/main/c/clamav/clamav-docs_0.90.1dfsg-3etch11_all.deb alpha (DEC Alpha) http://security.debian.org/pool/updates/main/c/clamav/libclamav2_0.90.1dfsg-3etch11_alpha.deb http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1dfsg-3etch11_alpha.deb http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.90.1dfsg-3etch11_alpha.deb http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.90.1dfsg-3etch11_alpha.deb http://security.debian.org/pool/updates/main/c/clamav/clamav-dbg_0.90.1dfsg-3etch11_alpha.deb http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.90.1dfsg-3etch11_alpha.deb http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.90.1dfsg-3etch11_alpha.deb amd64 (AMD x86_64 (AMD64)) http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.90.1dfsg-3etch11_amd64.deb http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1dfsg-3etch11_amd64.deb http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.90.1dfsg-3etch11_amd64.deb http://security.debian.org/pool/updates/main/c/clamav/clamav-dbg_0.90.1dfsg-3etch11_amd64.deb http://security.debian.org/pool/updates/main/c/clamav/libclamav2_0.90.1dfsg-3etch11_amd64.deb http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.90.1dfsg-3etch11_amd64.deb http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.90.1dfsg-3etch11_amd64.deb arm (ARM) http://security.debian.org/pool/updates/main/c/clamav/libclamav2_0.90.1dfsg-3etch11_arm.deb http://security.debian.org/pool/updates/main/c/clamav/clamav-dbg_0.90.1dfsg-3etch11_arm.deb http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.90.1dfsg-3etch11_arm.deb http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1dfsg-3etch11_arm.deb http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.90.1dfsg-3etch11_arm.deb http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.90.1dfsg-3etch11_arm.deb http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.90.1dfsg-3etch11_arm.deb hppa (HP PA RISC) http://security.debian.org/pool/updates/main/c/clamav/clamav-dbg_0.90.1dfsg-3etch11_hppa.deb http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.90.1dfsg-3etch11_hppa.deb http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.90.1dfsg-3etch11_hppa.deb http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1dfsg-3etch11_hppa.deb http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.90.1dfsg-3etch11_hppa.deb http://security.debian.org/pool/updates/main/c/clamav/libclamav2_0.90.1dfsg-3etch11_hppa.deb http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.90.1dfsg-3etch11_hppa.deb i386 (Intel ia32) http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.90.1dfsg-3etch11_i386.deb http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.90.1dfsg-3etch11_i386.deb http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1dfsg-3etch11_i386.deb http://security.debian.org/pool/updates/main/c/clamav/clamav-dbg_0.90.1dfsg-3etch11_i386.deb http://security.debian.org/pool/updates/main/c/clamav/libclamav2_0.90.1dfsg-3etch11_i386.deb http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.90.1dfsg-3etch11_i386.deb http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.90.1dfsg-3etch11_i386.deb ia64 (Intel ia64) http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.90.1dfsg-3etch11_ia64.deb http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.90.1dfsg-3etch11_ia64.deb http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.90.1dfsg-3etch11_ia64.deb http://security.debian.org/pool/updates/main/c/clamav/clamav-dbg_0.90.1dfsg-3etch11_ia64.deb http://security.debian.org/pool/updates/main/c/clamav/libclamav2_0.90.1dfsg-3etch11_ia64.deb http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1dfsg-3etch11_ia64.deb http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.90.1dfsg-3etch11_ia64.deb mips (MIPS (Big Endian)) http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.90.1dfsg-3etch11_mips.deb http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.90.1dfsg-3etch11_mips.deb http://security.debian.org/pool/updates/main/c/clamav/libclamav2_0.90.1dfsg-3etch11_mips.deb http://security.debian.org/pool/updates/main/c/clamav/clamav-dbg_0.90.1dfsg-3etch11_mips.deb http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.90.1dfsg-3etch11_mips.deb http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1dfsg-3etch11_mips.deb http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.90.1dfsg-3etch11_mips.deb mipsel (MIPS (Little Endian)) http://security.debian.org/pool/updates/main/c/clamav/clamav-dbg_0.90.1dfsg-3etch11_mipsel.deb http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1dfsg-3etch11_mipsel.deb http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.90.1dfsg-3etch11_mipsel.deb http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.90.1dfsg-3etch11_mipsel.deb http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.90.1dfsg-3etch11_mipsel.deb http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.90.1dfsg-3etch11_mipsel.deb http://security.debian.org/pool/updates/main/c/clamav/libclamav2_0.90.1dfsg-3etch11_mipsel.deb powerpc (PowerPC) http://security.debian.org/pool/updates/main/c/clamav/clamav-dbg_0.90.1dfsg-3etch11_powerpc.deb http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.90.1dfsg-3etch11_powerpc.deb http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.90.1dfsg-3etch11_powerpc.deb http://security.debian.org/pool/updates/main/c/clamav/libclamav2_0.90.1dfsg-3etch11_powerpc.deb http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.90.1dfsg-3etch11_powerpc.deb http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1dfsg-3etch11_powerpc.deb http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.90.1dfsg-3etch11_powerpc.deb s390 (IBM S/390) http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.90.1dfsg-3etch11_s390.deb http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1dfsg-3etch11_s390.deb http://security.debian.org/pool/updates/main/c/clamav/clamav-dbg_0.90.1dfsg-3etch11_s390.deb http://security.debian.org/pool/updates/main/c/clamav/libclamav2_0.90.1dfsg-3etch11_s390.deb http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.90.1dfsg-3etch11_s390.deb http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.90.1dfsg-3etch11_s390.deb http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.90.1dfsg-3etch11_s390.deb Suse Linux Las actualizaciones pueden descargarse mediante YAST o del servidor FTP oficial de Suse Linux.
Identificadores estándar
Propiedad	Valor
CVE	CVE-2008-0314 CVE-2008-1100 CVE-2008-1833
BID	28756 28798
Recursos adicionales
Debian Security Advisory (DSA-1549-1) http://lists.debian.org/debian-security-announce/2008/msg00120.html SUSE Security Advisory (SUSE-SA:2008:024) http://www.novell.com/linux/security/advisories/2008_24_clamav.html