int(3212)

Boletines de Vulnerabilidades

Múltiples vulnerabilidades en ClamAV

Clasificación de la vulnerabilidad
Propiedad Valor
Nivel de Confianza Oficial
Impacto Confidencialidad
Dificultad Experto
Requerimientos del atacante Acceso remoto con cuenta

Información sobre el sistema
Propiedad Valor
Fabricante afectado UNIX
Software afectado ClamAV < 0.90.3
ClamAV 0.91 < 0.91rc1

Descripción
Se han encontrado múltiples vulnerabilidades en ClamAV. Las vulnerabilidades son descritas a continuación.

- CVE-2007-3023: Se ha encontrado una vulnerabilidad en ClamAV en versiones anteriores a la 0.90.3 y en las versiones anteriores a la 0.91rc1 en el archivo unsp.c. La vulnerabilidad reside en un error al calcular de forma incorrecta el final de un búfer en concreto. Se desconoce el impacto de dicha vulnerabilidad así como sus métodos de ataque.

- CVE-2007-3024: Se ha encontrado una vulnerabilidad en ClamAV en versiones anteriores a la 0.90.3 y en las versiones anteriores a la 0.91rc1 en el archivo libclamav/others.c. La vulnerabilidad reside en el uso de permisos inseguros para los archivos temporales que son creados por la función cli_gentempstream en clamd/clamdscan. Un atacante local podría leer información sensible.

Solución


Actualización de software

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

Debian

Debian Linux 3.1
Source
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.17.dsc
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.17.diff.gz
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84.orig.tar.gz
Architecture independent
http://security.debian.org/pool/updates/main/c/clamav/clamav-base_0.84-2.sarge.17_all.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-docs_0.84-2.sarge.17_all.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-testfiles_0.84-2.sarge.17_all.deb
Alpha
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.17_alpha.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.17_alpha.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.17_alpha.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.17_alpha.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.17_alpha.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.17_alpha.deb
AMD64
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.17_amd64.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.17_amd64.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.17_amd64.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.17_amd64.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.17_amd64.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.17_amd64.deb
ARM
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.17_arm.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.17_arm.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.17_arm.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.17_arm.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.17_arm.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.17_arm.deb
HP Precision
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.17_hppa.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.17_hppa.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.17_hppa.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.17_hppa.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.17_hppa.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.17_hppa.deb
Intel IA-32
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.17_i386.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.17_i386.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.17_i386.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.17_i386.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.17_i386.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.17_i386.deb
Intel IA-64
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.17_ia64.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.17_ia64.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.17_ia64.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.17_ia64.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.17_ia64.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.17_ia64.deb
Motorola 680x0
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.17_m68k.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.17_m68k.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.17_m68k.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.17_m68k.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.17_m68k.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.17_m68k.deb
Big endian MIPS
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.17_mips.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.17_mips.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.17_mips.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.17_mips.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.17_mips.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.17_mips.deb
Little endian MIPS
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.17_mipsel.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.17_mipsel.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.17_mipsel.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.17_mipsel.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.17_mipsel.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.17_mipsel.deb
IBM S/390
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.17_s390.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.17_s390.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.17_s390.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.17_s390.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.17_s390.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.17_s390.deb
Sun Sparc
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.17_sparc.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.17_sparc.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.17_sparc.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.17_sparc.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.17_sparc.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.17_sparc.deb

Debian Linux 4.0
Source
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1-3etch3.dsc
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1-3etch3.diff.gz
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1.orig.tar.gz
Architecture independent
http://security.debian.org/pool/updates/main/c/clamav/clamav-base_0.90.1-3etch3_all.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-docs_0.90.1-3etch3_all.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-testfiles_0.90.1-3etch3_all.deb
Alpha
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1-3etch3_alpha.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.90.1-3etch3_alpha.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-dbg_0.90.1-3etch3_alpha.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.90.1-3etch3_alpha.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.90.1-3etch3_alpha.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.90.1-3etch3_alpha.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav2_0.90.1-3etch3_alpha.deb
AMD64
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1-3etch3_amd64.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.90.1-3etch3_amd64.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-dbg_0.90.1-3etch3_amd64.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.90.1-3etch3_amd64.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.90.1-3etch3_amd64.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.90.1-3etch3_amd64.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav2_0.90.1-3etch3_amd64.deb
ARM
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1-3etch3_arm.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.90.1-3etch3_arm.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-dbg_0.90.1-3etch3_arm.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.90.1-3etch3_arm.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.90.1-3etch3_arm.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.90.1-3etch3_arm.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav2_0.90.1-3etch3_arm.deb
HP Precision
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1-3etch3_hppa.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.90.1-3etch3_hppa.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-dbg_0.90.1-3etch3_hppa.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.90.1-3etch3_hppa.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.90.1-3etch3_hppa.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.90.1-3etch3_hppa.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav2_0.90.1-3etch3_hppa.deb
Intel IA-32
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1-3etch3_i386.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.90.1-3etch3_i386.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-dbg_0.90.1-3etch3_i386.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.90.1-3etch3_i386.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.90.1-3etch3_i386.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.90.1-3etch3_i386.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav2_0.90.1-3etch3_i386.deb
Intel IA-64
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1-3etch3_ia64.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.90.1-3etch3_ia64.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-dbg_0.90.1-3etch3_ia64.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.90.1-3etch3_ia64.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.90.1-3etch3_ia64.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.90.1-3etch3_ia64.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav2_0.90.1-3etch3_ia64.deb
Big endian MIPS
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1-3etch3_mips.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.90.1-3etch3_mips.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-dbg_0.90.1-3etch3_mips.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.90.1-3etch3_mips.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.90.1-3etch3_mips.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.90.1-3etch3_mips.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav2_0.90.1-3etch3_mips.deb
Little endian MIPS
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1-3etch3_mipsel.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.90.1-3etch3_mipsel.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-dbg_0.90.1-3etch3_mipsel.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.90.1-3etch3_mipsel.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.90.1-3etch3_mipsel.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.90.1-3etch3_mipsel.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav2_0.90.1-3etch3_mipsel.deb
PowerPC
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1-3etch3_powerpc.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.90.1-3etch3_powerpc.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-dbg_0.90.1-3etch3_powerpc.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.90.1-3etch3_powerpc.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.90.1-3etch3_powerpc.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.90.1-3etch3_powerpc.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav2_0.90.1-3etch3_powerpc.deb
IBM S/390
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1-3etch3_s390.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.90.1-3etch3_s390.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-dbg_0.90.1-3etch3_s390.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.90.1-3etch3_s390.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.90.1-3etch3_s390.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.90.1-3etch3_s390.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav2_0.90.1-3etch3_s390.deb
Sun Sparc
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.90.1-3etch3_sparc.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.90.1-3etch3_sparc.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-dbg_0.90.1-3etch3_sparc.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.90.1-3etch3_sparc.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.90.1-3etch3_sparc.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.90.1-3etch3_sparc.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav2_0.90.1-3etch3_sparc.deb

Identificadores estándar
Propiedad Valor
CVE CVE-2007-3023
CVE-2007-3024
BID 24358

Recursos adicionales
SUSE Security Advisory (SUSE-SA:2007:033)
http://www.novell.com/linux/security/advisories/2007_33_clamav.html

Debian Security Advisory (DSA 1320-1)
http://lists.debian.org/debian-security-announce/debian-security-announce-2007/msg00081.html

Histórico de versiones
Versión Comentario Fecha
1.0 Aviso emitido 2007-06-11
1.1 Aviso emitido por Debian (DSA 1320-1) 2007-06-25

Miembros de

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