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Boletines de Vulnerabilidades


Desbordamiento de búfer en Ethereal

Clasificación de la vulnerabilidad

Propiedad Valor
Nivel de Confianza Oficial
Impacto Obtener acceso
Dificultad Avanzado
Requerimientos del atacante Acceso remoto sin cuenta a un servicio exotico

Información sobre el sistema

Propiedad Valor
Fabricante afectado GNU/Linux
Software afectado Ethereal 0.9.1 - 0.10.9

Descripción

Se ha descubierto una vulnerabilidad de desbordamiento de búfer en las versiones que van desde la 0.9.1 a la 0.9.9 de Ethereal. La vulnerabilidad reside en el parseo de paquetes IAPP.

La explotación de esta vulnerabilidad podría permitir a un atacante remoto provocar una situación de denegación de servicio de Ethereal o llegar a ejecutar código arbitrario mediante el envío de paquetes IAPP especialmente diseñados.

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

Ethereal
Ethereal 0.10.10
http://www.ethereal.com/download.html

Mandrake Linux

Mandrakelinux 10.0
x86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.0/RPMS/ethereal-0.10.10-0.1.100mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.0/SRPMS/ethereal-0.10.10-0.1.100mdk.src.rpm
AMD64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/10.0/RPMS/ethereal-0.10.10-0.1.100mdk.amd64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/10.0/SRPMS/ethereal-0.10.10-0.1.100mdk.src.rpm

Mandrakelinux 10.1
x86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/RPMS/ethereal-0.10.10-0.1.101mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/RPMS/ethereal-tools-0.10.10-0.1.101mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/RPMS/libethereal0-0.10.10-0.1.101mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/RPMS/tethereal-0.10.10-0.1.101mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/SRPMS/ethereal-0.10.10-0.1.101mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/RPMS/ethereal-0.10.10-0.1.101mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/RPMS/ethereal-tools-0.10.10-0.1.101mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/RPMS/lib64ethereal0-0.10.10-0.1.101mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/RPMS/tethereal-0.10.10-0.1.101mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/SRPMS/ethereal-0.10.10-0.1.101mdk.src.rpm

Red Hat Linux
Red Hat Desktop (v. 3)
Red Hat Desktop (v. 4)
Red Hat Enterprise Linux AS (v. 2.1)
Red Hat Enterprise Linux AS (v. 3)
Red Hat Enterprise Linux AS (v. 4)
Red Hat Enterprise Linux ES (v. 2.1)
Red Hat Enterprise Linux ES (v. 3)
Red Hat Enterprise Linux ES (v. 4)
Red Hat Enterprise Linux WS (v. 2.1)
Red Hat Enterprise Linux WS (v. 3)
Red Hat Enterprise Linux WS (v. 4)
Red Hat Linux Advanced Workstation 2.1 Itanium Processor
https://rhn.redhat.com/

Debian Linux

Debian Linux 3.0
Source
http://security.debian.org/pool/updates/main/e/ethereal/ethereal_0.9.4-1woody12.dsc
http://security.debian.org/pool/updates/main/e/ethereal/ethereal_0.9.4-1woody12.diff.gz
http://security.debian.org/pool/updates/main/e/ethereal/ethereal_0.9.4.orig.tar.gz
Alpha
http://security.debian.org/pool/updates/main/e/ethereal/ethereal_0.9.4-1woody12_alpha.deb
http://security.debian.org/pool/updates/main/e/ethereal/ethereal-common_0.9.4-1woody12_alpha.deb
http://security.debian.org/pool/updates/main/e/ethereal/ethereal-dev_0.9.4-1woody12_alpha.deb
http://security.debian.org/pool/updates/main/e/ethereal/tethereal_0.9.4-1woody12_alpha.deb
ARM
http://security.debian.org/pool/updates/main/e/ethereal/ethereal_0.9.4-1woody12_arm.deb
http://security.debian.org/pool/updates/main/e/ethereal/ethereal-common_0.9.4-1woody12_arm.deb
http://security.debian.org/pool/updates/main/e/ethereal/ethereal-dev_0.9.4-1woody12_arm.deb
http://security.debian.org/pool/updates/main/e/ethereal/tethereal_0.9.4-1woody12_arm.deb
Intel IA-32
http://security.debian.org/pool/updates/main/e/ethereal/ethereal_0.9.4-1woody12_i386.deb
http://security.debian.org/pool/updates/main/e/ethereal/ethereal-common_0.9.4-1woody12_i386.deb
http://security.debian.org/pool/updates/main/e/ethereal/ethereal-dev_0.9.4-1woody12_i386.deb
http://security.debian.org/pool/updates/main/e/ethereal/tethereal_0.9.4-1woody12_i386.deb
Intel IA-64
http://security.debian.org/pool/updates/main/e/ethereal/ethereal_0.9.4-1woody12_ia64.deb
http://security.debian.org/pool/updates/main/e/ethereal/ethereal-common_0.9.4-1woody12_ia64.deb
http://security.debian.org/pool/updates/main/e/ethereal/ethereal-dev_0.9.4-1woody12_ia64.deb
http://security.debian.org/pool/updates/main/e/ethereal/tethereal_0.9.4-1woody12_ia64.deb
HP Precision
http://security.debian.org/pool/updates/main/e/ethereal/ethereal_0.9.4-1woody12_hppa.deb
http://security.debian.org/pool/updates/main/e/ethereal/ethereal-common_0.9.4-1woody12_hppa.deb
http://security.debian.org/pool/updates/main/e/ethereal/ethereal-dev_0.9.4-1woody12_hppa.deb
http://security.debian.org/pool/updates/main/e/ethereal/tethereal_0.9.4-1woody12_hppa.deb
Motorola 680x0
http://security.debian.org/pool/updates/main/e/ethereal/ethereal_0.9.4-1woody12_m68k.deb
http://security.debian.org/pool/updates/main/e/ethereal/ethereal-common_0.9.4-1woody12_m68k.deb
http://security.debian.org/pool/updates/main/e/ethereal/ethereal-dev_0.9.4-1woody12_m68k.deb
http://security.debian.org/pool/updates/main/e/ethereal/tethereal_0.9.4-1woody12_m68k.deb
Big endian MIPS
http://security.debian.org/pool/updates/main/e/ethereal/ethereal_0.9.4-1woody12_mips.deb
http://security.debian.org/pool/updates/main/e/ethereal/ethereal-common_0.9.4-1woody12_mips.deb
http://security.debian.org/pool/updates/main/e/ethereal/ethereal-dev_0.9.4-1woody12_mips.deb
http://security.debian.org/pool/updates/main/e/ethereal/tethereal_0.9.4-1woody12_mips.deb
Little endian MIPS
http://security.debian.org/pool/updates/main/e/ethereal/ethereal_0.9.4-1woody12_mipsel.deb
http://security.debian.org/pool/updates/main/e/ethereal/ethereal-common_0.9.4-1woody12_mipsel.deb
http://security.debian.org/pool/updates/main/e/ethereal/ethereal-dev_0.9.4-1woody12_mipsel.deb
http://security.debian.org/pool/updates/main/e/ethereal/tethereal_0.9.4-1woody12_mipsel.deb
PowerPC
http://security.debian.org/pool/updates/main/e/ethereal/ethereal_0.9.4-1woody12_powerpc.deb
http://security.debian.org/pool/updates/main/e/ethereal/ethereal-common_0.9.4-1woody12_powerpc.deb
http://security.debian.org/pool/updates/main/e/ethereal/ethereal-dev_0.9.4-1woody12_powerpc.deb
http://security.debian.org/pool/updates/main/e/ethereal/tethereal_0.9.4-1woody12_powerpc.deb
IBM S/390
http://security.debian.org/pool/updates/main/e/ethereal/ethereal_0.9.4-1woody12_s390.deb
http://security.debian.org/pool/updates/main/e/ethereal/ethereal-common_0.9.4-1woody12_s390.deb
http://security.debian.org/pool/updates/main/e/ethereal/ethereal-dev_0.9.4-1woody12_s390.deb
http://security.debian.org/pool/updates/main/e/ethereal/tethereal_0.9.4-1woody12_s390.deb
Sun Sparc
http://security.debian.org/pool/updates/main/e/ethereal/ethereal_0.9.4-1woody12_sparc.deb
http://security.debian.org/pool/updates/main/e/ethereal/ethereal-common_0.9.4-1woody12_sparc.deb
http://security.debian.org/pool/updates/main/e/ethereal/ethereal-dev_0.9.4-1woody12_sparc.deb
http://security.debian.org/pool/updates/main/e/ethereal/tethereal_0.9.4-1woody12_sparc.deb

Identificadores estándar

Propiedad Valor
CVE CAN-2005-0739
BID

Recursos adicionales

Ethereal Security Advisory enpa-sa-00018
http://www.ethereal.com/appnotes/enpa-sa-00018.html

LSS Security Advisory #LSS-2005-03-05
http://security.lss.hr/index.php?page=details&ID=LSS-2005-03-05

Mandrakesoft Security Advisories MDKSA-2005:053
http://www.mandrakesoft.com/security/advisories?name=MDKSA-2005:053

Red Hat Security Advisory RHSA-2005:306-10
https://rhn.redhat.com/errata/RHSA-2005-306.html

Debian Security Advisory DSA 718-2
http://lists.debian.org/debian-security-announce/debian-security-announce-2005/msg00102.html

Histórico de versiones

Versión Comentario Fecha
1.0 Aviso emitido 2005-03-14
1.1 Aviso emitido por Mandrake (MDKSA-2005:053) 2005-03-16
1.2 Aviso emitido por Red Hat (RHSA-2005:306-10) 2005-03-21
1.3 Aviso emitido por Debian (DSA 718-2) 2005-04-29

Miembros de

Ministerio de Defensa
CNI
CCN
CCN-CERT