int(2122)

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

Descripción

Se ha descubierto una vulnerabilidad en ClamAV versiones anteriores a 0.88. La vulnerabilidad reside en un desbordamiento de búfer en la zona de heap al manejar ficheros UPX.

Un atacante remoto podría causar una denegación de servicio y posiblemente ejecutar código arbitrario mediante el envío de un fichero UPX especialmente diseñado.

Solución



Actualización de software

Mandriva

Mandrakelinux 10.1
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/RPMS/clamav-0.88-0.1.101mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/RPMS/clamav-db-0.88-0.1.101mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/RPMS/clamav-milter-0.88-0.1.101mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/RPMS/clamd-0.88-0.1.101mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/RPMS/libclamav1-0.88-0.1.101mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/RPMS/libclamav1-devel-0.88-0.1.101mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/SRPMS/clamav-0.88-0.1.101mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/RPMS/clamav-0.88-0.1.101mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/RPMS/clamav-db-0.88-0.1.101mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/RPMS/clamav-milter-0.88-0.1.101mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/RPMS/clamd-0.88-0.1.101mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/RPMS/lib64clamav1-0.88-0.1.101mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/RPMS/lib64clamav1-devel-0.88-0.1.101mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/SRPMS/clamav-0.88-0.1.101mdk.src.rpm

Corporate Server 3.0
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/clamav-0.88-0.1.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/clamav-db-0.88-0.1.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/clamav-milter-0.88-0.1.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/clamd-0.88-0.1.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/libclamav1-0.88-0.1.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/libclamav1-devel-0.88-0.1.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/SRPMS/clamav-0.88-0.1.C30mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/clamav-0.88-0.1.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/clamav-db-0.88-0.1.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/clamav-milter-0.88-0.1.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/clamd-0.88-0.1.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/lib64clamav1-0.88-0.1.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/lib64clamav1-devel-0.88-0.1.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/SRPMS/clamav-0.88-0.1.C30mdk.src.rpm

Mandrivalinux LE2005
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/clamav-0.88-0.1.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/clamav-db-0.88-0.1.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/clamav-milter-0.88-0.1.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/clamd-0.88-0.1.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/libclamav1-0.88-0.1.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/libclamav1-devel-0.88-0.1.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/SRPMS/clamav-0.88-0.1.102mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/clamav-0.88-0.1.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/clamav-db-0.88-0.1.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/clamav-milter-0.88-0.1.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/clamd-0.88-0.1.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/lib64clamav1-0.88-0.1.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/lib64clamav1-devel-0.88-0.1.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/SRPMS/clamav-0.88-0.1.102mdk.src.rpm

Mandrivalinux 2006
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/clamav-0.88-0.1.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/clamav-db-0.88-0.1.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/clamav-milter-0.88-0.1.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/clamd-0.88-0.1.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/libclamav1-0.88-0.1.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/libclamav1-devel-0.88-0.1.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/SRPMS/clamav-0.88-0.1.20060mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/clamav-0.88-0.1.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/clamav-db-0.88-0.1.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/clamav-milter-0.88-0.1.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/clamd-0.88-0.1.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/lib64clamav1-0.88-0.1.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/lib64clamav1-devel-0.88-0.1.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/SRPMS/clamav-0.88-0.1.20060mdk.src.rpm

Debian

Debian Linux 3.1
Source
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.7.dsc
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.7.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.7_all.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-docs_0.84-2.sarge.7_all.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-testfiles_0.84-2.sarge.7_all.deb
Alpha
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.7_alpha.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.7_alpha.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.7_alpha.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.7_alpha.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.7_alpha.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.7_alpha.deb
AMD64
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.7_amd64.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.7_amd64.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.7_amd64.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.7_amd64.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.7_amd64.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.7_amd64.deb
Intel IA-32
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.7_i386.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.7_i386.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.7_i386.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.7_i386.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.7_i386.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.7_i386.deb
Intel IA-64
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.7_ia64.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.7_ia64.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.7_ia64.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.7_ia64.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.7_ia64.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.7_ia64.deb
HP Precision
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.7_hppa.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.7_hppa.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.7_hppa.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.7_hppa.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.7_hppa.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.7_hppa.deb
Motorola 680x0
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.7_m68k.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.7_m68k.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.7_m68k.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.7_m68k.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.7_m68k.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.7_m68k.deb
Big endian MIPS
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.7_mips.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.7_mips.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.7_mips.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.7_mips.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.7_mips.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.7_mips.deb
Little endian MIPS
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.7_mipsel.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.7_mipsel.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.7_mipsel.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.7_mipsel.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.7_mipsel.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.7_mipsel.deb
PowerPC
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.7_powerpc.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.7_powerpc.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.7_powerpc.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.7_powerpc.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.7_powerpc.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.7_powerpc.deb
IBM S/390
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.7_s390.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.7_s390.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.7_s390.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.7_s390.deb
ARM
http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.7_arm.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.7_arm.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.7_arm.deb
http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.7_arm.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.7_arm.deb
http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.7_arm.deb

Identificadores estándar

Propiedad Valor
CVE CVE-2006-0162
BID 16191

Recursos adicionales

Mandriva Security Advisory (MDKSA-2006:016)
http://wwwnew.mandriva.com/security/advisories?name=MDKSA-2006:016

Debian Security Advisory (DSA 947-2)
http://lists.debian.org/debian-security-announce/debian-security-announce-2006/msg00028.html

Histórico de versiones

Versión Comentario Fecha
1.0 Aviso emitido 2006-01-17
1.1 Aviso emitido por Debian (DSA 947-1) 2006-01-20
1.2 Aviso actualizado por Debian (DSA 947-2) 2006-01-27

Miembros de

Ministerio de Defensa
CNI
CCN
CCN-CERT