Boletines de Vulnerabilidades

int(4132)

Boletines de Vulnerabilidades

Denegación de servicio en libxslt
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 estandar
Información sobre el sistema
Propiedad	Valor
Fabricante afectado	GNU/Linux
Software afectado	XMLSoft libxslt 1.1.24 XMLSoft libxslt 1.1.23
Descripción
Se ha descubierto una vulnerabilidad en libxslt 1.x. La vulnerabilidad reside en un error de comprobación de límites en "crypto.c" en las funciones "crypto:rc4_encrypt" y "crypto:rc4_decrypt". Un atacante remoto podría causar un desbordamiento de búfer mediante hojas de estilo especialmente diseñadas.
Solución
Actualización de software Debian (DSA-1624-1) Debian Linux 4.0 Source http://security.debian.org/pool/updates/main/libx/libxslt/libxslt_1.1.19.orig.tar.gz http://security.debian.org/pool/updates/main/libx/libxslt/libxslt_1.1.19-3.diff.gz http://security.debian.org/pool/updates/main/libx/libxslt/libxslt_1.1.19-3.dsc alpha (DEC Alpha) http://security.debian.org/pool/updates/main/libx/libxslt/xsltproc_1.1.19-3_alpha.deb http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dbg_1.1.19-3_alpha.deb http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dev_1.1.19-3_alpha.deb http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1.1_1.1.19-3_alpha.deb http://security.debian.org/pool/updates/main/libx/libxslt/python-libxslt1_1.1.19-3_alpha.deb amd64 (AMD x86_64 (AMD64)) http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dbg_1.1.19-3_amd64.deb http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1.1_1.1.19-3_amd64.deb http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dev_1.1.19-3_amd64.deb http://security.debian.org/pool/updates/main/libx/libxslt/xsltproc_1.1.19-3_amd64.deb http://security.debian.org/pool/updates/main/libx/libxslt/python-libxslt1_1.1.19-3_amd64.deb arm (ARM) http://security.debian.org/pool/updates/main/libx/libxslt/xsltproc_1.1.19-3_arm.deb http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dbg_1.1.19-3_arm.deb http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dev_1.1.19-3_arm.deb http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1.1_1.1.19-3_arm.deb http://security.debian.org/pool/updates/main/libx/libxslt/python-libxslt1_1.1.19-3_arm.deb hppa (HP PA RISC) http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dev_1.1.19-3_hppa.deb http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1.1_1.1.19-3_hppa.deb http://security.debian.org/pool/updates/main/libx/libxslt/xsltproc_1.1.19-3_hppa.deb http://security.debian.org/pool/updates/main/libx/libxslt/python-libxslt1_1.1.19-3_hppa.deb http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dbg_1.1.19-3_hppa.deb i386 (Intel ia32) http://security.debian.org/pool/updates/main/libx/libxslt/xsltproc_1.1.19-3_i386.deb http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1.1_1.1.19-3_i386.deb http://security.debian.org/pool/updates/main/libx/libxslt/python-libxslt1_1.1.19-3_i386.deb http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dbg_1.1.19-3_i386.deb http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dev_1.1.19-3_i386.deb ia64 (Intel ia64) http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dbg_1.1.19-3_ia64.deb http://security.debian.org/pool/updates/main/libx/libxslt/xsltproc_1.1.19-3_ia64.deb http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dev_1.1.19-3_ia64.deb http://security.debian.org/pool/updates/main/libx/libxslt/python-libxslt1_1.1.19-3_ia64.deb http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1.1_1.1.19-3_ia64.deb mips (MIPS (Big Endian)) http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dev_1.1.19-3_mips.deb http://security.debian.org/pool/updates/main/libx/libxslt/python-libxslt1_1.1.19-3_mips.deb http://security.debian.org/pool/updates/main/libx/libxslt/xsltproc_1.1.19-3_mips.deb http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1.1_1.1.19-3_mips.deb http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dbg_1.1.19-3_mips.deb mipsel (MIPS (Little Endian)) http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dev_1.1.19-3_mipsel.deb http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dbg_1.1.19-3_mipsel.deb http://security.debian.org/pool/updates/main/libx/libxslt/xsltproc_1.1.19-3_mipsel.deb http://security.debian.org/pool/updates/main/libx/libxslt/python-libxslt1_1.1.19-3_mipsel.deb http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1.1_1.1.19-3_mipsel.deb powerpc (PowerPC) http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1.1_1.1.19-3_powerpc.deb http://security.debian.org/pool/updates/main/libx/libxslt/xsltproc_1.1.19-3_powerpc.deb http://security.debian.org/pool/updates/main/libx/libxslt/python-libxslt1_1.1.19-3_powerpc.deb http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dev_1.1.19-3_powerpc.deb http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dbg_1.1.19-3_powerpc.deb s390 (IBM S/390) http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dev_1.1.19-3_s390.deb http://security.debian.org/pool/updates/main/libx/libxslt/xsltproc_1.1.19-3_s390.deb http://security.debian.org/pool/updates/main/libx/libxslt/python-libxslt1_1.1.19-3_s390.deb http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1.1_1.1.19-3_s390.deb http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dbg_1.1.19-3_s390.deb sparc (Sun SPARC/UltraSPARC) http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dev_1.1.19-3_sparc.deb http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1.1_1.1.19-3_sparc.deb http://security.debian.org/pool/updates/main/libx/libxslt/xsltproc_1.1.19-3_sparc.deb http://security.debian.org/pool/updates/main/libx/libxslt/python-libxslt1_1.1.19-3_sparc.deb http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dbg_1.1.19-3_sparc.deb Red Hat (RHSA-2008:0649-3) RHEL Desktop Workstation (v. 5 cliente) Red Hat Desktop (v. 4) Red Hat Enterprise Linux (v. 5 servidor) Red Hat Enterprise Linux AS (v. 4) Red Hat Enterprise Linux Desktop (v. 5 cliente) Red Hat Enterprise Linux ES (v. 4) Red Hat Enterprise Linux WS (v. 4) https://rhn.redhat.com/
Identificadores estándar
Propiedad	Valor
CVE	CVE-2008-2935
BID	30467
Recursos adicionales
Debian Security Advisory (DSA-1624-1) http://lists.debian.org/debian-security-announce/2008/msg00209.html Red Hat Security Advisory (RHSA-2008:0649-3) https://rhn.redhat.com/errata/RHSA-2008-0649.html