int(951)

Boletines de Vulnerabilidades


Desbordamiento de búfer en la librería wvWare

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
Fabricant afectat GNU/Linux
Software afectado wvWare 0.7.4
wvWare 0.7.5
wvWare 0.7.6
wvWare 1.0.0

Descripción

Se ha descubierto una vulnerabilidad de desbordamiento de búfer en las versiones 0.7.4, 0.7.5, 0.7.6 y 1.0.0 de la librería wvWare utilizada para cargar y parsear documentos en formato Microsoft Word en sistemas Unix. La vulnerabilidad reside en el manejo del campo 'DateTime' por parte de la función wvHandleDateTimePicture().

La explotación de esta vulnerabilidad podría permitir a un atacante remoto ejecutar código mediante un documento especialmente diseñado que la víctima debe abrir con algún software que haga uso de librería wvWare.

Solución

Si lo desea, aplique los mecanismos de actualización propios de su distribución, o bien baje las fuentes del software y compílelo usted mismo.


Actualización de software

wvWare
Parche
http://www.abisource.com/bonsai/cvsview2.cgi?diff_mode=context&whitespace_mode=show&root=/cvsroot&subdir=wv&command=DIFF_FRAMESET&root=/cvsroot&file=field.c&rev1=1.19&rev2=1.20

Mandrake Linux

Mandrakelinux 9.2
x86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.2/RPMS/libwv-1.0_0-1.0.0-1.1.92mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.2/RPMS/libwv-1.0_0-devel-1.0.0-1.1.92mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.2/RPMS/wv-1.0.0-1.1.92mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.2/SRPMS/wv-1.0.0-1.1.92mdk.src.rpm
AMD64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/9.2/RPMS/lib64wv-1.0_0-1.0.0-1.1.92mdk.amd64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/9.2/RPMS/lib64wv-1.0_0-devel-1.0.0-1.1.92mdk.amd64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/9.2/RPMS/wv-1.0.0-1.1.92mdk.amd64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/9.2/SRPMS/wv-1.0.0-1.1.92mdk.src.rpm

Mandrakelinux 10.0
x86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.0/RPMS/libwv-1.0_0-1.0.0-1.1.100mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.0/RPMS/libwv-1.0_0-devel-1.0.0-1.1.100mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.0/RPMS/wv-1.0.0-1.1.100mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.0/SRPMS/wv-1.0.0-1.1.100mdk.src.rpm
AMD64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/10.0/RPMS/lib64wv-1.0_0-1.0.0-1.1.100mdk.amd64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/10.0/RPMS/lib64wv-1.0_0-devel-1.0.0-1.1.100mdk.amd64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/10.0/RPMS/wv-1.0.0-1.1.100mdk.amd64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/10.0/SRPMS/wv-1.0.0-1.1.100mdk.src.rpm

Debian Linux (wv)

Debian Linux 3.0
Source
http://security.debian.org/pool/updates/main/w/wv/wv_0.7.1+rvt-2woody4.dsc
http://security.debian.org/pool/updates/main/w/wv/wv_0.7.1+rvt-2woody4.diff.gz
http://security.debian.org/pool/updates/main/w/wv/wv_0.7.1+rvt.orig.tar.gz
Alpha
http://security.debian.org/pool/updates/main/w/wv/wv_0.7.1+rvt-2woody4_alpha.deb
ARM
http://security.debian.org/pool/updates/main/w/wv/wv_0.7.1+rvt-2woody4_arm.deb
Intel IA-32
http://security.debian.org/pool/updates/main/w/wv/wv_0.7.1+rvt-2woody4_i386.deb
Intel IA-64
http://security.debian.org/pool/updates/main/w/wv/wv_0.7.1+rvt-2woody4_ia64.deb
HPPA
http://security.debian.org/pool/updates/main/w/wv/wv_0.7.1+rvt-2woody4_hppa.deb
Motorola 680x0
http://security.debian.org/pool/updates/main/w/wv/wv_0.7.1+rvt-2woody4_m68k.deb
Big endian MIPS
http://security.debian.org/pool/updates/main/w/wv/wv_0.7.1+rvt-2woody4_mips.deb
Little endian MIPS
http://security.debian.org/pool/updates/main/w/wv/wv_0.7.1+rvt-2woody4_mipsel.deb
PowerPC
http://security.debian.org/pool/updates/main/w/wv/wv_0.7.1+rvt-2woody4_powerpc.deb
IBM S/390
http://security.debian.org/pool/updates/main/w/wv/wv_0.7.1+rvt-2woody4_s390.deb
Sun Sparc
http://security.debian.org/pool/updates/main/w/wv/wv_0.7.1+rvt-2woody4_sparc.deb

Debian Linux (abiword)

Debian Linux 3.0
Source
http://security.debian.org/pool/updates/main/a/abiword/abiword_1.0.2+cvs.2002.06.05-1woody2.dsc
http://security.debian.org/pool/updates/main/a/abiword/abiword_1.0.2+cvs.2002.06.05-1woody2.diff.gz
http://security.debian.org/pool/updates/main/a/abiword/abiword_1.0.2+cvs.2002.06.05.orig.tar.gz
Architecture independent
http://security.debian.org/pool/updates/main/a/abiword/abiword-doc_1.0.2+cvs.2002.06.05-1woody2_all.deb
http://security.debian.org/pool/updates/main/a/abiword/xfonts-abi_1.0.2+cvs.2002.06.05-1woody2_all.deb
Alpha
http://security.debian.org/pool/updates/main/a/abiword/abiword_1.0.2+cvs.2002.06.05-1woody2_alpha.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-common_1.0.2+cvs.2002.06.05-1woody2_alpha.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-gnome_1.0.2+cvs.2002.06.05-1woody2_alpha.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-gtk_1.0.2+cvs.2002.06.05-1woody2_alpha.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-plugins_1.0.2+cvs.2002.06.05-1woody2_alpha.deb
ARM
http://security.debian.org/pool/updates/main/a/abiword/abiword_1.0.2+cvs.2002.06.05-1woody2_arm.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-common_1.0.2+cvs.2002.06.05-1woody2_arm.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-gnome_1.0.2+cvs.2002.06.05-1woody2_arm.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-gtk_1.0.2+cvs.2002.06.05-1woody2_arm.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-plugins_1.0.2+cvs.2002.06.05-1woody2_arm.deb
Intel IA-32
http://security.debian.org/pool/updates/main/a/abiword/abiword_1.0.2+cvs.2002.06.05-1woody2_i386.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-common_1.0.2+cvs.2002.06.05-1woody2_i386.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-gnome_1.0.2+cvs.2002.06.05-1woody2_i386.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-gtk_1.0.2+cvs.2002.06.05-1woody2_i386.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-plugins_1.0.2+cvs.2002.06.05-1woody2_i386.deb
Intel IA-64
http://security.debian.org/pool/updates/main/a/abiword/abiword_1.0.2+cvs.2002.06.05-1woody2_ia64.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-common_1.0.2+cvs.2002.06.05-1woody2_ia64.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-gnome_1.0.2+cvs.2002.06.05-1woody2_ia64.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-gtk_1.0.2+cvs.2002.06.05-1woody2_ia64.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-plugins_1.0.2+cvs.2002.06.05-1woody2_ia64.deb
HP Precision
http://security.debian.org/pool/updates/main/a/abiword/abiword_1.0.2+cvs.2002.06.05-1woody2_hppa.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-common_1.0.2+cvs.2002.06.05-1woody2_hppa.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-gnome_1.0.2+cvs.2002.06.05-1woody2_hppa.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-gtk_1.0.2+cvs.2002.06.05-1woody2_hppa.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-plugins_1.0.2+cvs.2002.06.05-1woody2_hppa.deb
Motorola 680x0
http://security.debian.org/pool/updates/main/a/abiword/abiword_1.0.2+cvs.2002.06.05-1woody2_m68k.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-common_1.0.2+cvs.2002.06.05-1woody2_m68k.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-gnome_1.0.2+cvs.2002.06.05-1woody2_m68k.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-gtk_1.0.2+cvs.2002.06.05-1woody2_m68k.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-plugins_1.0.2+cvs.2002.06.05-1woody2_m68k.deb
Big endian MIPS
http://security.debian.org/pool/updates/main/a/abiword/abiword_1.0.2+cvs.2002.06.05-1woody2_mips.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-common_1.0.2+cvs.2002.06.05-1woody2_mips.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-gnome_1.0.2+cvs.2002.06.05-1woody2_mips.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-gtk_1.0.2+cvs.2002.06.05-1woody2_mips.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-plugins_1.0.2+cvs.2002.06.05-1woody2_mips.deb
Little endian MIPS
http://security.debian.org/pool/updates/main/a/abiword/abiword_1.0.2+cvs.2002.06.05-1woody2_mipsel.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-common_1.0.2+cvs.2002.06.05-1woody2_mipsel.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-gnome_1.0.2+cvs.2002.06.05-1woody2_mipsel.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-gtk_1.0.2+cvs.2002.06.05-1woody2_mipsel.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-plugins_1.0.2+cvs.2002.06.05-1woody2_mipsel.deb
PowerPC
http://security.debian.org/pool/updates/main/a/abiword/abiword_1.0.2+cvs.2002.06.05-1woody2_powerpc.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-common_1.0.2+cvs.2002.06.05-1woody2_powerpc.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-gnome_1.0.2+cvs.2002.06.05-1woody2_powerpc.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-gtk_1.0.2+cvs.2002.06.05-1woody2_powerpc.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-plugins_1.0.2+cvs.2002.06.05-1woody2_powerpc.deb
IBM S/390
http://security.debian.org/pool/updates/main/a/abiword/abiword_1.0.2+cvs.2002.06.05-1woody2_s390.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-common_1.0.2+cvs.2002.06.05-1woody2_s390.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-gnome_1.0.2+cvs.2002.06.05-1woody2_s390.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-gtk_1.0.2+cvs.2002.06.05-1woody2_s390.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-plugins_1.0.2+cvs.2002.06.05-1woody2_s390.deb
Sun Sparc
http://security.debian.org/pool/updates/main/a/abiword/abiword_1.0.2+cvs.2002.06.05-1woody2_sparc.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-common_1.0.2+cvs.2002.06.05-1woody2_sparc.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-gnome_1.0.2+cvs.2002.06.05-1woody2_sparc.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-gtk_1.0.2+cvs.2002.06.05-1woody2_sparc.deb
http://security.debian.org/pool/updates/main/a/abiword/abiword-plugins_1.0.2+cvs.2002.06.05-1woody2_sparc.deb

Identificadores estándar

Propiedad Valor
CVE CAN-2004-0645
BID

Recursos adicionales

iDEFENSE Security Advisory 07.09.04
http://www.idefense.com/application/poi/display?id=115&type=vulnerabilities&flashstatus=true

Mandrakesoft Security Advisories MDKSA-2004:077
http://www.mandrakesoft.com/security/advisories?name=MDKSA-2004:077

Debian Security Advisory DSA-550-1
http://www.debian.org/security/2004/dsa-550

Debian Security Advisory DSA 579-1
http://lists.debian.org/debian-security-announce/debian-security-announce-2004/msg00188.html

Histórico de versiones

Versión Comentario Data
1.0 Aviso emitido 2004-07-30
1.1 Aviso emitido por Debian (DSA-550-1) 2004-09-21
1.2 Aviso emitido por Debian (DSA 579-1) 2004-11-02
Ministerio de Defensa
CNI
CCN
CCN-CERT