int(3234)

Boletines de Vulnerabilidades


Divulgación de información en Apache Tomcat JK Web Server Connector

Clasificación de la vulnerabilidad

Propiedad Valor
Nivel de Confianza Oficial
Impacto Confidencialidad
Dificultad Experto
Requerimientos del atacante Acceso remoto sin cuenta a un servicio estandar

Información sobre el sistema

Propiedad Valor
Fabricante afectado Networking
Software afectado Apache Tomcat JK Web Server Connector 1.2.x < 1.2.23

Descripción

Se ha encontrado una vulnerabilidad en Apache Tomcat JK Web Server Connector en la versión 1.2.x hasta la 1.2.23. La vulnerabilidad reside en un error en mod_jk cuando se decodifican peticiones a URLs dentro del servidor HTTP de Apache antes de pasar la URL a Tomcat.

Un atacante remoto podría acceder a páginas protegidas mediante un prefijo JkMount especialmente diseñado, posiblemente haciendo uso de doble codificación de secuencias punto punto (..) y cruzar de directorio directamente.

Solución



Actualización de software

Debian

Debian Linux 3.1
Source
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache-mod-jk_1.2.5-2sarge1.dsc
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache-mod-jk_1.2.5-2sarge1.diff.gz
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache-mod-jk_1.2.5.orig.tar.gz
Alpha
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache-mod-jk_1.2.5-2sarge1_alpha.deb
AMD64
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache-mod-jk_1.2.5-2sarge1_amd64.deb
ARM
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache-mod-jk_1.2.5-2sarge1_arm.deb
HP Precision
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache-mod-jk_1.2.5-2sarge1_hppa.deb
Intel IA-32
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache-mod-jk_1.2.5-2sarge1_i386.deb
Intel IA-64
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache-mod-jk_1.2.5-2sarge1_ia64.deb
Motorola 680x0
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache-mod-jk_1.2.5-2sarge1_m68k.deb
Big endian MIPS
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache-mod-jk_1.2.5-2sarge1_mips.deb
Little endian MIPS
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache-mod-jk_1.2.5-2sarge1_mipsel.deb
IBM S/390
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache-mod-jk_1.2.5-2sarge1_s390.deb
Sun Sparc
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache-mod-jk_1.2.5-2sarge1_sparc.deb

Debian Linux 4.0
Source
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache-mod-jk_1.2.18-3etch1.dsc
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache-mod-jk_1.2.18-3etch1.diff.gz
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache-mod-jk_1.2.18.orig.tar.gz
Architecture independent
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache-mod-jk-doc_1.2.18-3etch1_all.deb
Alpha
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache-mod-jk_1.2.18-3etch1_alpha.deb
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache2-mod-jk_1.2.18-3etch1_alpha.deb
AMD64
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache-mod-jk_1.2.18-3etch1_amd64.deb
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache2-mod-jk_1.2.18-3etch1_amd64.deb
ARM
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache-mod-jk_1.2.18-3etch1_arm.deb
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache2-mod-jk_1.2.18-3etch1_arm.deb
HP Precision
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache-mod-jk_1.2.18-3etch1_hppa.deb
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache2-mod-jk_1.2.18-3etch1_hppa.deb
Intel IA-32
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache-mod-jk_1.2.18-3etch1_i386.deb
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache2-mod-jk_1.2.18-3etch1_i386.deb
Intel IA-64
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache-mod-jk_1.2.18-3etch1_ia64.deb
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache2-mod-jk_1.2.18-3etch1_ia64.deb
Big endian MIPS
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache-mod-jk_1.2.18-3etch1_mips.deb
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache2-mod-jk_1.2.18-3etch1_mips.deb
Little endian MIPS
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache-mod-jk_1.2.18-3etch1_mipsel.deb
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache2-mod-jk_1.2.18-3etch1_mipsel.deb
PowerPC
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache-mod-jk_1.2.18-3etch1_powerpc.deb
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache2-mod-jk_1.2.18-3etch1_powerpc.deb
IBM S/390
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache-mod-jk_1.2.18-3etch1_s390.deb
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache2-mod-jk_1.2.18-3etch1_s390.deb
Sun Sparc
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache-mod-jk_1.2.18-3etch1_sparc.deb
http://security.debian.org/pool/updates/main/liba/libapache-mod-jk/libapache2-mod-jk_1.2.18-3etch1_sparc.deb

Apple
Mac OS 10.3.9
http://www.apple.com/support/downloads/securityupdate20070071039.html
Mac OS Server 10.3.9
http://www.apple.com/support/downloads/securityupdate20070071039server.html
Mac OS PPC 10.4.10
http://www.apple.com/support/downloads/securityupdate200700710410ppc.html
Mac OS Server PPC 10.4.10
http://www.apple.com/support/downloads/securityupdate200700710410serverppc.html
Mac OS Universal 10.4.10
http://www.apple.com/support/downloads/securityupdate200700710410universal.html
Mac OS Server Universal 10.4.10
http://www.apple.com/support/downloads/securityupdate200700710410serveruniversal.html

Suse Linux
Las actualizaciones pueden descargarse mediante YAST o del servidor FTP oficial de Suse Linux.

Red Hat (RHSA-2008:0261-4)
Red Hat Network Satellite (v. 5.0 para RHEL 4)
https://rhn.redhat.com/

Identificadores estándar

Propiedad Valor
CVE CVE-2007-1860
BID 24147

Recursos adicionales

Debian Security Advisory (DSA 1312-1)
http://lists.debian.org/debian-security-announce/debian-security-announce-2007/msg00073.html

Apple Security Update (306172)
http://docs.info.apple.com/article.html?artnum=306172

SUSE Security Advisory (SUSE-SR:2008:005)
http://www.novell.com/linux/security/advisories/2008_5_sr.html

Red Hat Security Advisory (RHSA-2008:0261-4)
http://rhn.redhat.com/errata/RHSA-2008-0261.html

Histórico de versiones

Versión Comentario Fecha
1.0 Aviso emitido 2007-06-19
1.1 Aviso emitido por Apple (306172) 2007-08-02
1.2 Aviso emitido por Suse (SUSE-SR:2008:005) 2008-03-07
1.3 Aviso emitido por Red Hat (RHSA-2008:0261-4) 2008-05-21

Miembros de

Ministerio de Defensa
CNI
CCN
CCN-CERT