int(3702)

Boletines de Vulnerabilidades


Vulnerabilidad en el algoritmo de descompresión bzip2 de 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

Descripción

Se ha encontrado una vulnerabilidad en ClamAV en las versiones anteriores a la 0.92. La vulnerabilidad reside en un error no especificado en el algoritmo de descompresión bzip2 en el archivo nsis/bzlib_private.h.

Se desconoce el impacto de dicha vulnerabilidad así como sus métodos de ataque.

Solución



Actualización de software

Mandriva (MDVSA-2008:003)

Corporate Server 3.0 - X86
corporate/3.0/i586/clamav-0.92-0.2.C30mdk.i586.rpm
corporate/3.0/i586/clamav-db-0.92-0.2.C30mdk.i586.rpm
corporate/3.0/i586/clamav-milter-0.92-0.2.C30mdk.i586.rpm
corporate/3.0/i586/clamd-0.92-0.2.C30mdk.i586.rpm
corporate/3.0/i586/clamdmon-0.92-0.2.C30mdk.i586.rpm
corporate/3.0/i586/libclamav-devel-0.92-0.2.C30mdk.i586.rpm
corporate/3.0/i586/libclamav3-0.92-0.2.C30mdk.i586.rpm
corporate/3.0/SRPMS/clamav-0.92-0.2.C30mdk.src.rpm

Corporate Server 3.0 - X86_64
corporate/3.0/x86_64/clamav-0.92-0.2.C30mdk.x86_64.rpm
corporate/3.0/x86_64/clamav-db-0.92-0.2.C30mdk.x86_64.rpm
corporate/3.0/x86_64/clamav-milter-0.92-0.2.C30mdk.x86_64.rpm
corporate/3.0/x86_64/clamd-0.92-0.2.C30mdk.x86_64.rpm
corporate/3.0/x86_64/clamdmon-0.92-0.2.C30mdk.x86_64.rpm
corporate/3.0/x86_64/lib64clamav-devel-0.92-0.2.C30mdk.x86_64.rpm
corporate/3.0/x86_64/lib64clamav3-0.92-0.2.C30mdk.x86_64.rpm
corporate/3.0/SRPMS/clamav-0.92-0.2.C30mdk.src.rpm

Mandriva Linux 2007
X86
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.0/i586/media/main/updates/clamav-0.92-1.2mdv2007.0.i586.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.0/i586/media/main/updates/clamav-db-0.92-1.2mdv2007.0.i586.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.0/i586/media/main/updates/clamav-milter-0.92-1.2mdv2007.0.i586.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.0/i586/media/main/updates/clamd-0.92-1.2mdv2007.0.i586.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.0/i586/media/main/updates/clamdmon-0.92-1.2mdv2007.0.i586.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.0/i586/media/main/updates/klamav-0.41-1.2mdv2007.0.i586.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.0/i586/media/main/updates/libclamav-devel-0.92-1.2mdv2007.0.i586.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.0/i586/media/main/updates/libclamav3-0.92-1.2mdv2007.0.i586.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.0/SRPMS/main/updates/clamav-0.92-1.2mdv2007.0.src.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.0/SRPMS/main/updates/klamav-0.41-1.2mdv2007.0.src.rpm
X86_64
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.0/x86_64/media/main/updates/clamav-0.92-1.2mdv2007.0.x86_64.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.0/x86_64/media/main/updates/clamav-db-0.92-1.2mdv2007.0.x86_64.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.0/x86_64/media/main/updates/clamav-milter-0.92-1.2mdv2007.0.x86_64.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.0/x86_64/media/main/updates/clamd-0.92-1.2mdv2007.0.x86_64.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.0/x86_64/media/main/updates/clamdmon-0.92-1.2mdv2007.0.x86_64.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.0/x86_64/media/main/updates/klamav-0.41-1.2mdv2007.0.x86_64.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.0/x86_64/media/main/updates/lib64clamav-devel-0.92-1.2mdv2007.0.x86_64.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.0/x86_64/media/main/updates/lib64clamav3-0.92-1.2mdv2007.0.x86_64.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.0/SRPMS/main/updates/clamav-0.92-1.2mdv2007.0.src.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.0/SRPMS/main/updates/klamav-0.41-1.2mdv2007.0.src.rpm

Corporate Server 4.0 - X86
corporate/4.0/i586/c-icap-client-210205-5.2.20060mlcs4.i586.rpm
corporate/4.0/i586/c-icap-modules-210205-5.2.20060mlcs4.i586.rpm
corporate/4.0/i586/c-icap-server-210205-5.2.20060mlcs4.i586.rpm
corporate/4.0/i586/clamav-0.92-0.2.20060mlcs4.i586.rpm
corporate/4.0/i586/clamav-db-0.92-0.2.20060mlcs4.i586.rpm
corporate/4.0/i586/clamav-milter-0.92-0.2.20060mlcs4.i586.rpm
corporate/4.0/i586/clamd-0.92-0.2.20060mlcs4.i586.rpm
corporate/4.0/i586/clamdmon-0.92-0.2.20060mlcs4.i586.rpm
corporate/4.0/i586/libc-icap0-210205-5.2.20060mlcs4.i586.rpm
corporate/4.0/i586/libc-icap0-devel-210205-5.2.20060mlcs4.i586.rpm
corporate/4.0/i586/libclamav-devel-0.92-0.2.20060mlcs4.i586.rpm
corporate/4.0/i586/libclamav3-0.92-0.2.20060mlcs4.i586.rpm
corporate/4.0/i586/php-clamav-0.12a-8.2.20060mlcs4.i586.rpm
corporate/4.0/SRPMS/c-icap-210205-5.2.20060mlcs4.src.rpm
corporate/4.0/SRPMS/clamav-0.92-0.2.20060mlcs4.src.rpm
corporate/4.0/SRPMS/php-clamav-0.12a-8.2.20060mlcs4.src.rpm

Corporate Server 4.0 - X86_64
corporate/4.0/x86_64/c-icap-client-210205-5.2.20060mlcs4.x86_64.rpm
corporate/4.0/x86_64/c-icap-modules-210205-5.2.20060mlcs4.x86_64.rpm
corporate/4.0/x86_64/c-icap-server-210205-5.2.20060mlcs4.x86_64.rpm
corporate/4.0/x86_64/clamav-0.92-0.2.20060mlcs4.x86_64.rpm
corporate/4.0/x86_64/clamav-db-0.92-0.2.20060mlcs4.x86_64.rpm
corporate/4.0/x86_64/clamav-milter-0.92-0.2.20060mlcs4.x86_64.rpm
corporate/4.0/x86_64/clamd-0.92-0.2.20060mlcs4.x86_64.rpm
corporate/4.0/x86_64/clamdmon-0.92-0.2.20060mlcs4.x86_64.rpm
corporate/4.0/x86_64/lib64c-icap0-210205-5.2.20060mlcs4.x86_64.rpm
corporate/4.0/x86_64/lib64c-icap0-devel-210205-5.2.20060mlcs4.x86_64.rpm
corporate/4.0/x86_64/lib64clamav-devel-0.92-0.2.20060mlcs4.x86_64.rpm
corporate/4.0/x86_64/lib64clamav3-0.92-0.2.20060mlcs4.x86_64.rpm
corporate/4.0/x86_64/php-clamav-0.12a-8.2.20060mlcs4.x86_64.rpm
corporate/4.0/SRPMS/c-icap-210205-5.2.20060mlcs4.src.rpm
corporate/4.0/SRPMS/clamav-0.92-0.2.20060mlcs4.src.rpm
corporate/4.0/SRPMS/php-clamav-0.12a-8.2.20060mlcs4.src.rpm

Mandriva Linux 2007.1
X86
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.1/i586/media/main/updates/clamav-0.92-1.2mdv2007.1.i586.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.1/i586/media/main/updates/clamav-db-0.92-1.2mdv2007.1.i586.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.1/i586/media/main/updates/clamav-milter-0.92-1.2mdv2007.1.i586.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.1/i586/media/main/updates/clamd-0.92-1.2mdv2007.1.i586.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.1/i586/media/main/updates/clamdmon-0.92-1.2mdv2007.1.i586.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.1/i586/media/main/updates/klamav-0.41-2.1mdv2007.1.i586.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.1/i586/media/main/updates/libclamav-devel-0.92-1.2mdv2007.1.i586.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.1/i586/media/main/updates/libclamav3-0.92-1.2mdv2007.1.i586.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.1/SRPMS/main/updates/clamav-0.92-1.2mdv2007.1.src.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.1/SRPMS/main/updates/klamav-0.41-2.1mdv2007.1.src.rpm
X86_64
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.1/x86_64/media/main/updates/clamav-0.92-1.2mdv2007.1.x86_64.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.1/x86_64/media/main/updates/clamav-db-0.92-1.2mdv2007.1.x86_64.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.1/x86_64/media/main/updates/clamav-milter-0.92-1.2mdv2007.1.x86_64.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.1/x86_64/media/main/updates/clamd-0.92-1.2mdv2007.1.x86_64.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.1/x86_64/media/main/updates/clamdmon-0.92-1.2mdv2007.1.x86_64.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.1/x86_64/media/main/updates/klamav-0.41-2.1mdv2007.1.x86_64.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.1/x86_64/media/main/updates/lib64clamav-devel-0.92-1.2mdv2007.1.x86_64.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.1/x86_64/media/main/updates/lib64clamav3-0.92-1.2mdv2007.1.x86_64.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.1/SRPMS/main/updates/clamav-0.92-1.2mdv2007.1.src.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2007.1/SRPMS/main/updates/klamav-0.41-2.1mdv2007.1.src.rpm

Mandriva Linux 2008.0
X86
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2008.0/i586/media/main/updates/clamav-0.92-1.2mdv2008.0.i586.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2008.0/i586/media/main/updates/clamav-db-0.92-1.2mdv2008.0.i586.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2008.0/i586/media/main/updates/clamav-milter-0.92-1.2mdv2008.0.i586.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2008.0/i586/media/main/updates/clamd-0.92-1.2mdv2008.0.i586.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2008.0/i586/media/main/updates/clamdmon-0.92-1.2mdv2008.0.i586.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2008.0/i586/media/main/updates/klamav-0.41.1-2.1mdv2008.0.i586.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2008.0/i586/media/main/updates/libclamav-devel-0.92-1.2mdv2008.0.i586.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2008.0/i586/media/main/updates/libclamav3-0.92-1.2mdv2008.0.i586.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2008.0/SRPMS/main/updates/clamav-0.92-1.2mdv2008.0.src.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2008.0/SRPMS/main/updates/klamav-0.41.1-2.1mdv2008.0.src.rpm
X86_64
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2008.0/x86_64/media/main/updates/clamav-0.92-1.2mdv2008.0.x86_64.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2008.0/x86_64/media/main/updates/clamav-db-0.92-1.2mdv2008.0.x86_64.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2008.0/x86_64/media/main/updates/clamav-milter-0.92-1.2mdv2008.0.x86_64.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2008.0/x86_64/media/main/updates/clamd-0.92-1.2mdv2008.0.x86_64.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2008.0/x86_64/media/main/updates/clamdmon-0.92-1.2mdv2008.0.x86_64.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2008.0/x86_64/media/main/updates/klamav-0.41.1-2.1mdv2008.0.x86_64.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2008.0/x86_64/media/main/updates/lib64clamav-devel-0.92-1.2mdv2008.0.x86_64.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2008.0/x86_64/media/main/updates/lib64clamav3-0.92-1.2mdv2008.0.x86_64.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2008.0/SRPMS/main/updates/clamav-0.92-1.2mdv2008.0.src.rpm
ftp://ftp.cica.es/pub/Linux/Mandrakelinux/official/updates/2008.0/SRPMS/main/updates/klamav-0.41.1-2.1mdv2008.0.src.rpm

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

Identificadores estándar

Propiedad Valor
CVE CVE-2007-6337
BID 27063

Recursos adicionales

Mandriva Security Advisory (MDVSA-2008:003)
http://www.mandriva.com/security/advisories?name=MDVSA-2008:003

SUSE Security Advisory (SUSE-SR:2008:001)
http://www.novell.com/linux/security/advisories/suse_security_announce_62.html

Histórico de versiones

Versión Comentario Fecha
1.0 Aviso emitido 2008-01-10
1.1 Aviso emitido por Suse (SUSE-SR:2008:001) 2008-01-23

Miembros de

Ministerio de Defensa
CNI
CCN
CCN-CERT