int(2614)

Boletines de Vulnerabilidades


Desbordamiento de búfer en zona de heap 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 exotico

Información sobre el sistema

Propiedad Valor
Fabricante afectado GNU/Linux
Software afectado ClamAV <= 0.88.3

Descripción

Se ha descubierto una vulnerabilidad de tipo desbordamiento de búfer en zona de heap en Clam AntiVirus (ClamAV) 0.88.3 y anteriores. La vulnerabilidad reside en un error en la función "pefromupx".

Un atacante remoto podría ejecutar código arbitrario mediante un fichero UPX especialmente diseñado.

Solución



Actualización de software

Mandriva

Corporate Server 3.0
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/clamav-0.88.4-0.1.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/clamav-db-0.88.4-0.1.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/clamav-milter-0.88.4-0.1.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/clamd-0.88.4-0.1.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/libclamav1-0.88.4-0.1.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/libclamav1-devel-0.88.4-0.1.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/SRPMS/clamav-0.88.4-0.1.C30mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/clamav-0.88.4-0.1.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/clamav-db-0.88.4-0.1.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/clamav-milter-0.88.4-0.1.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/clamd-0.88.4-0.1.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/lib64clamav1-0.88.4-0.1.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/lib64clamav1-devel-0.88.4-0.1.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/SRPMS/clamav-0.88.4-0.1.C30mdk.src.rpm

Mandrivalinux 2006
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/clamav-0.88.4-0.1.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/clamav-db-0.88.4-0.1.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/clamav-milter-0.88.4-0.1.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/clamd-0.88.4-0.1.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/libclamav1-0.88.4-0.1.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/libclamav1-devel-0.88.4-0.1.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/SRPMS/clamav-0.88.4-0.1.20060mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/clamav-0.88.4-0.1.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/clamav-db-0.88.4-0.1.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/clamav-milter-0.88.4-0.1.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/clamd-0.88.4-0.1.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/lib64clamav1-0.88.4-0.1.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/lib64clamav1-devel-0.88.4-0.1.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/SRPMS/clamav-0.88.4-0.1.20060mdk.src.rpm

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.10.dsc
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.10.diff.gz
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84.orig.tar.gz
Architecture-independent component:
http://security.debian.org/pool/updates/main/c/clamav/clamav-base_0.84-2.sarge.10_all.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-docs_0.84-2.sarge.10_all.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-testfiles_0.84-2.sarge.10_all.deb
Alpha:
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.10_alpha.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.10_alpha.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.10_alpha.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.10_alpha.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.10_alpha.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.10_alpha.deb
AMD64:
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.10_amd64.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.10_amd64.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.10_amd64.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.10_amd64.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.10_amd64.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.10_amd64.deb
ARM:
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.10_arm.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.10_arm.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.10_arm.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.10_arm.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.10_arm.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.10_arm.deb
Intel IA-32:
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.10_i386.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.10_i386.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.10_i386.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.10_i386.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.10_i386.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.10_i386.deb
Intel IA-64:
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.10_ia64.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.10_ia64.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.10_ia64.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.10_ia64.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.10_ia64.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.10_ia64.deb
HPPA:
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.10_hppa.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.10_hppa.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.10_hppa.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.10_hppa.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.10_hppa.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.10_hppa.deb
Motorola 680x0:
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.10_m68k.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.10_m68k.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.10_m68k.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.10_m68k.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.10_m68k.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.10_m68k.deb
Big endian MIPS:
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.10_mips.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.10_mips.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.10_mips.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.10_mips.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.10_mips.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.10_mips.deb
Little endian MIPS:
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.10_mipsel.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.10_mipsel.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.10_mipsel.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.10_mipsel.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.10_mipsel.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.10_mipsel.deb
PowerPC:
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.10_powerpc.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.10_powerpc.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.10_powerpc.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.10_powerpc.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.10_powerpc.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.10_powerpc.deb
IBM S/390:
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.10_s390.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.10_s390.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.10_s390.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.10_s390.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.10_s390.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.10_s390.deb
Sun Sparc:
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.10_sparc.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.10_sparc.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.10_sparc.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.10_sparc.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.10_sparc.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.10_sparc.deb

Identificadores estándar

Propiedad Valor
CVE CVE-2006-4018
BID

Recursos adicionales

ClamAV Security advisory (0.88.4)
http://www.clamav.net/security/0.88.4.html

Mandriva Security Advisory (MDKSA-2006:138)
http://www.mandriva.com/security/advisories?name=MDKSA-2006:138

SUSE Security Advisory (SUSE-SA:2006:046)
http://www.novell.com/linux/security/advisories/2006_46_clamav.html

Debian Security Advisory (DSA-1153-1)
http://www.us.debian.org/security/2006/dsa-1153

Histórico de versiones

Versión Comentario Fecha
1.0 Aviso emitido 2006-08-09
1.1 Aviso emitido por Suse (SUSE-SA:2006:046) 2006-08-10
1.2 Aviso emitido por Debian (DSA-1153-1) 2006-08-21

Miembros de

Ministerio de Defensa
CNI
CCN
CCN-CERT