int(703)

Boletines de Vulnerabilidades


Interrupción del servicio en Apache

Clasificación de la vulnerabilidad

Propiedad Valor
Nivel de Confianza Oficial
Impacto Interrupcion del Servicio
Dificultad Avanzado
Requerimientos del atacante Acceso remoto sin cuenta a un servicio estandar

Información sobre el sistema

Propiedad Valor
Fabricante afectado UNIX
Software afectado Apache 2 httpd < 2.0.49
Apache 1.3 httpd < 1.3.31
Mac OS X 10.3.3
Mac OS X 10.2.8

Descripción

Se ha descubierto un error de diseño en las versiones anteriores a la 2.0.49 de Apache 2 y en la versión 1.3.31 de Apache. La explotación de este error podría permitir a un atacante remoto interrumpir el servicio mediante el establecimiento de una conexión especialmente diseñada.

Este error se da sobre Apache sobre AIX, Solaris y True64, no en cambio sobre Linux o FreeBSD.

Solución



Actualización de software

Apache
Apache httpd 1.3.31
Apache httpd 2.0.49
http://httpd.apache.org/download.cgi

HP
hp-ux apache-based web server v.2.03
http://www.software.hp.com/cgi-bin/swdepot_parser.cgi/cgi/displayProductInfo.pl?productNumber=HPUXWSSUITE

HP-UX B.11.04
Virtualvault A.04.70: instale los parches PHSS_30944 (actualización de Virtualvault 4.7 IWS) y PHSS_31058 (actualización de Virtualvault 4.7 OWS)
Virtualvault A.04.60: instale los parches PHSS_30946 (actualización de Virtualvault 4.6 IWS) y PHSS_31057 (actualización de Virtualvault 4.6 OWS)
Virtualvault A.04.50: instale los parches PHSS_30647 (actualización de Virtualvault 4.5 IWS) y PHSS_30648 (actualización de Virtualvault 4.5 OWS)
Webproxy A.02.10: instale el parche PHSS_30950 (actualización de Webproxy server 2.1)
Webproxy A.02.00: instale el parche PHSS_30949 (actualización de Webproxy server 2.0)
http://software.hp.com

IPv4
Usuarios de HP-UX B.11.00 y HP-UX B.11.11 instalen la revisión hpuxwsAPACHE A.2.0.49.00
Usuarios de HP-UX B.11.22 instalen la revisión hpuxwsAPACHE B.11.23

IPv6
Usuarios de HP-UX B.11.11 y HP-UX B.11.23 instalen la revisión hpuxwsAPACHE B.2.0.49.00

Apple
Mac OS X 10.3.3 - Cliente
http://www.apple.com/support/downloads/securityupdate_2004-05-03_(10_3_3_Client).html
Mac OS X 10.3.3 - Servidor
http://www.apple.com/support/downloads/securityupdate.html
Mac OS X 10.2.8 - Cliente
http://www.apple.com/support/downloads/securityupdate_2004-05-03_(10_2_8_Client).html
Mac OS X 10.2.8 - Servidor
http://www.apple.com/support/downloads/securityupdate_2004-05-03_(10_2_8_Server).html

Mandrake Linux

Mandrake Linux 9.1
i386
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.1/RPMS/apache-1.3.27-8.2.91mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.1/RPMS/apache-devel-1.3.27-8.2.91mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.1/RPMS/apache-modules-1.3.27-8.2.91mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.1/RPMS/apache-source-1.3.27-8.2.91mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.1/SRPMS/apache-1.3.27-8.2.91mdk.src.rpm
PPC
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/ppc/9.1/RPMS/apache-1.3.27-8.2.91mdk.ppc.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/ppc/9.1/RPMS/apache-devel-1.3.27-8.2.91mdk.ppc.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/ppc/9.1/RPMS/apache-modules-1.3.27-8.2.91mdk.ppc.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/ppc/9.1/RPMS/apache-source-1.3.27-8.2.91mdk.ppc.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/ppc/9.1/SRPMS/apache-1.3.27-8.2.91mdk.src.rpm

Mandrake Linux 9.2
i386
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.2/RPMS/apache-1.3.28-3.2.92mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.2/RPMS/apache-devel-1.3.28-3.2.92mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.2/RPMS/apache-modules-1.3.28-3.2.92mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.2/RPMS/apache-source-1.3.28-3.2.92mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.2/SRPMS/apache-1.3.28-3.2.92mdk.src.rpm
AMD64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/9.2/RPMS/apache-1.3.28-3.2.92mdk.amd64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/9.2/RPMS/apache-devel-1.3.28-3.2.92mdk.amd64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/9.2/RPMS/apache-modules-1.3.28-3.2.92mdk.amd64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/9.2/RPMS/apache-source-1.3.28-3.2.92mdk.amd64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/9.2/SRPMS/apache-1.3.28-3.2.92mdk.src.rpm

Mandrake Multi Network Firewall 8.2
i386
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf8.2/RPMS/apache-1.3.23-4.4.M82mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf8.2/RPMS/apache-common-1.3.23-4.4.M82mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf8.2/RPMS/apache-modules-1.3.23-4.4.M82mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf8.2/SRPMS/apache-1.3.23-4.4.M82mdk.src.rpm

Mandrake Corporate Server 2.1
i386
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/2.1/RPMS/apache-1.3.26-7.1.C21mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/2.1/RPMS/apache-common-1.3.26-7.1.C21mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/2.1/RPMS/apache-devel-1.3.26-7.1.C21mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/2.1/RPMS/apache-manual-1.3.26-7.1.C21mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/2.1/RPMS/apache-modules-1.3.26-7.1.C21mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/2.1/RPMS/apache-source-1.3.26-7.1.C21mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/2.1/SRPMS/apache-1.3.26-7.1.C21mdk.src.rpm
x86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/2.1/RPMS/apache-1.3.26-7.1.C21mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/2.1/RPMS/apache-common-1.3.26-7.1.C21mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/2.1/RPMS/apache-devel-1.3.26-7.1.C21mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/2.1/RPMS/apache-manual-1.3.26-7.1.C21mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/2.1/RPMS/apache-modules-1.3.26-7.1.C21mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/2.1/RPMS/apache-source-1.3.26-7.1.C21mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/2.1/SRPMS/apache-1.3.26-7.1.C21mdk.src.rpm

Mandrakelinux 10.0
i386
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.0/RPMS/apache-1.3.29-1.1.100mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.0/RPMS/apache-devel-1.3.29-1.1.100mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.0/RPMS/apache-modules-1.3.29-1.1.100mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.0/RPMS/apache-source-1.3.29-1.1.100mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.0/SRPMS/apache-1.3.29-1.1.100mdk.src.rpm

Mandrake Linux (apache-mod_perl)

Mandrakelinux 9.1
i386
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.1/RPMS/HTML-Embperl-1.3.27_1.3.4-7.1.91mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.1/RPMS/apache-mod_perl-1.3.27_1.27-7.1.91mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.1/RPMS/mod_perl-common-1.3.27_1.27-7.1.91mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.1/RPMS/mod_perl-devel-1.3.27_1.27-7.1.91mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.1/SRPMS/apache-mod_perl-1.3.27_1.27-7.1.91mdk.src.rpm
PPC
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/ppc/9.1/RPMS/HTML-Embperl-1.3.27_1.3.4-7.1.91mdk.ppc.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/ppc/9.1/RPMS/apache-mod_perl-1.3.27_1.27-7.1.91mdk.ppc.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/ppc/9.1/RPMS/mod_perl-common-1.3.27_1.27-7.1.91mdk.ppc.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/ppc/9.1/RPMS/mod_perl-devel-1.3.27_1.27-7.1.91mdk.ppc.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/ppc/9.1/SRPMS/apache-mod_perl-1.3.27_1.27-7.1.91mdk.src.rpm

Mandrakelinux 9.2
i386
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.2/RPMS/HTML-Embperl-1.3.28_1.3.4-1.1.92mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.2/RPMS/apache-mod_perl-1.3.28_1.28-1.1.92mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.2/RPMS/mod_perl-common-1.3.28_1.28-1.1.92mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.2/RPMS/mod_perl-devel-1.3.28_1.28-1.1.92mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.2/SRPMS/apache-mod_perl-1.3.28_1.28-1.1.92mdk.src.rpm
AMD64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/9.2/RPMS/HTML-Embperl-1.3.28_1.3.4-1.1.92mdk.amd64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/9.2/RPMS/apache-mod_perl-1.3.28_1.28-1.1.92mdk.amd64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/9.2/RPMS/mod_perl-common-1.3.28_1.28-1.1.92mdk.amd64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/9.2/RPMS/mod_perl-devel-1.3.28_1.28-1.1.92mdk.amd64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/9.2/SRPMS/apache-mod_perl-1.3.28_1.28-1.1.92mdk.src.rpm

Mandrakelinux 10.0
i386
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.0/RPMS/HTML-Embperl-1.3.29_1.3.6-3.1.100mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.0/RPMS/apache-mod_perl-1.3.29_1.29-3.1.100mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.0/RPMS/mod_perl-common-1.3.29_1.29-3.1.100mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.0/RPMS/mod_perl-devel-1.3.29_1.29-3.1.100mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.0/SRPMS/apache-mod_perl-1.3.29_1.29-3.1.100mdk.src.rpm
AMD64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/10.0/RPMS/HTML-Embperl-1.3.29_1.3.6-3.1.100mdk.amd64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/10.0/RPMS/apache-mod_perl-1.3.29_1.29-3.1.100mdk.amd64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/10.0/RPMS/mod_perl-common-1.3.29_1.29-3.1.100mdk.amd64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/10.0/RPMS/mod_perl-devel-1.3.29_1.29-3.1.100mdk.amd64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/10.0/SRPMS/apache-mod_perl-1.3.29_1.29-3.1.100mdk.src.rpm

Corporate Server 2.1
i386
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/2.1/RPMS/HTML-Embperl-1.3.26_1.3.4-7.1.C21mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/2.1/RPMS/apache-mod_perl-1.3.26_1.27-7.1.C21mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/2.1/RPMS/mod_perl-common-1.3.26_1.27-7.1.C21mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/2.1/RPMS/mod_perl-devel-1.3.26_1.27-7.1.C21mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/2.1/SRPMS/apache-mod_perl-1.3.26_1.27-7.1.C21mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/2.1/RPMS/HTML-Embperl-1.3.26_1.3.4-7.1.C21mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/2.1/RPMS/apache-mod_perl-1.3.26_1.27-7.1.C21mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/2.1/RPMS/mod_perl-common-1.3.26_1.27-7.1.C21mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/2.1/RPMS/mod_perl-devel-1.3.26_1.27-7.1.C21mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/2.1/SRPMS/apache-mod_perl-1.3.26_1.27-7.1.C21mdk.src.rpm

Sun

Solaris 9
SPARC
http://sunsolve.sun.com/search/document.do?assetkey=1-21-113146-05-1
x86
http://sunsolve.sun.com/search/document.do?assetkey=1-21-114145-04-1

Solaris 8
SPARC
http://sunsolve.sun.com/search/document.do?assetkey=1-21-116973-01-1
x86
http://sunsolve.sun.com/search/document.do?assetkey=1-21-116974-01-1

SPARC Platform
Solaris 8 con parche 116973-02 o posterior
Solaris 9 con parche 113146-05 o posterior
x86 Platform
Solaris 8 con parche 116974-02 o posterior
Solaris 9 con parche 114145-04 o posterior

Identificadores estándar

Propiedad Valor
CVE CAN-2004-0174
BID

Recursos adicionales

Overview of security vulnerabilities in Apache httpd 2.0
http://www.apacheweek.com/features/security-20

Overview of security vulnerabilities in Apache httpd 1.3
http://www.apacheweek.com/features/security-13

HP SECURITY BULLETIN HPSBUX01022
http://www4.itrc.hp.com/service/cki/docDisplay.do?docId=HPSBUX01022

Apple Security Updates
http://docs.info.apple.com/article.html?artnum=61798

MandrakeSoft Security Advisory MDKSA-2004:046
http://www.mandrakesecure.net/en/advisories/advisory.php?name=MDKSA-2004:046

Mandrakesoft Security Advisory MDKSA-2004:046-1
http://www.mandrakesoft.com/security/advisories?name=MDKSA-2004:046-1

HP Security Bulletin HPSBTU01049
http://www5.itrc.hp.com/service/cki/docDisplay.do?docId=HPSBTU01049

HP Security Bulletin HPSBUX01069
http://www5.itrc.hp.com/service/cki/docDisplay.do?docId=HPSBUX01069

Sun(sm) Alert Notification 57628
http://sunsolve.sun.com/search/document.do?assetkey=1-26-57628-1

Sun Alert Notification (101555)
http://sunsolve.sun.com/search/document.do?assetkey=1-26-101555-1&searchclause=%22category:security%22%20%22availability,%20s
ecurity%22%20category:security.com

Histórico de versiones

Versión Comentario Fecha
1.0 Aviso emitido 2004-03-22
2.0 Apache 1.3.29 también es vulnerable 2004-04-14
2.1 Aviso emitido por HP (HPSBUX01022) 2004-04-27
2.2 Aviso emitido por Apple 2004-05-04
2.3 Apache 1.3.31 y 2.0.49 disponibles 2004-05-14
2.4 Aviso emitido por Mandrake (MDKSA-2004:046) 2004-05-18
2.5 Aviso emitido por Mandrake (MDKSA-2004:046-1) 2004-05-21
2.6 Aviso actualizado por HP (HPSBUX01022) 2004-07-15
2.7 Aviso emitido por HP (HPSBTU01049) 2004-08-10
2.8 Aviso emitido por HP (HPSBUX01069) 2004-08-13
2.9 Aviso emitido por Sun (57628) 2004-09-09
2.10 Aviso actualizado por Sun (57628) 2004-10-13
2.11 Aviso actualizado por SUN (101555) 2005-08-19

Miembros de

Ministerio de Defensa
CNI
CCN
CCN-CERT