Boletines de Vulnerabilidades

int(3819)

Boletines de Vulnerabilidades

Desbordamiento de búfer en la librería PCRE
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	PCRE < 7.6
Descripción
Se ha descubierto una vulnerabilidad de tipo desbordamiento de búfer en la librería PCRE en versiones anteriores a la 7.6. La vulnerabilidad reside en un error en la comprobación de los límites Un atacante remoto podría ejecutar código arbitrario mediante una expresión regular, con "codepoints" mayores que 255, especialmente diseñada.
Solución
Actualización de software Debian (DSA-1499-1) Debian Linux 3.1 Source archives: http://security.debian.org/pool/updates/main/p/pcre3/pcre3_4.5+7.4-2.diff.gz http://security.debian.org/pool/updates/main/p/pcre3/pcre3_4.5+7.4-2.dsc http://security.debian.org/pool/updates/main/p/pcre3/pcre3_4.5+7.4.orig.tar.gz Arquitectura independiente http://security.debian.org/pool/updates/main/p/pcre3/pgrep_4.5+7.4-2_all.deb alpha (DEC Alpha) http://security.debian.org/pool/updates/main/p/pcre3/libpcre3_4.5+7.4-2_alpha.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3-dev_4.5+7.4-2_alpha.deb http://security.debian.org/pool/updates/main/p/pcre3/pcregrep_4.5+7.4-2_alpha.deb amd64 (AMD x86_64 (AMD64)) http://security.debian.org/pool/updates/main/p/pcre3/libpcre3_4.5+7.4-2_amd64.deb http://security.debian.org/pool/updates/main/p/pcre3/pcregrep_4.5+7.4-2_amd64.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3-dev_4.5+7.4-2_amd64.deb arm (ARM) http://security.debian.org/pool/updates/main/p/pcre3/libpcre3_4.5+7.4-2_arm.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3-dev_4.5+7.4-2_arm.deb http://security.debian.org/pool/updates/main/p/pcre3/pcregrep_4.5+7.4-2_arm.deb hppa (HP PA RISC) http://security.debian.org/pool/updates/main/p/pcre3/libpcre3-dev_4.5+7.4-2_hppa.deb http://security.debian.org/pool/updates/main/p/pcre3/pcregrep_4.5+7.4-2_hppa.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3_4.5+7.4-2_hppa.deb i386 (Intel ia32) http://security.debian.org/pool/updates/main/p/pcre3/libpcre3_4.5+7.4-2_i386.deb http://security.debian.org/pool/updates/main/p/pcre3/pcregrep_4.5+7.4-2_i386.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3-dev_4.5+7.4-2_i386.deb ia64 (Intel ia64) http://security.debian.org/pool/updates/main/p/pcre3/libpcre3-dev_4.5+7.4-2_ia64.deb http://security.debian.org/pool/updates/main/p/pcre3/pcregrep_4.5+7.4-2_ia64.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3_4.5+7.4-2_ia64.deb m68k (Motorola Mc680x0) http://security.debian.org/pool/updates/main/p/pcre3/pcregrep_4.5+7.4-2_m68k.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3_4.5+7.4-2_m68k.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3-dev_4.5+7.4-2_m68k.deb mips (MIPS (Big Endian)) http://security.debian.org/pool/updates/main/p/pcre3/pcregrep_4.5+7.4-2_mips.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3-dev_4.5+7.4-2_mips.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3_4.5+7.4-2_mips.deb mipsel (MIPS (Little Endian)) http://security.debian.org/pool/updates/main/p/pcre3/libpcre3-dev_4.5+7.4-2_mipsel.deb http://security.debian.org/pool/updates/main/p/pcre3/pcregrep_4.5+7.4-2_mipsel.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3_4.5+7.4-2_mipsel.deb powerpc (PowerPC) http://security.debian.org/pool/updates/main/p/pcre3/pcregrep_4.5+7.4-2_powerpc.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3-dev_4.5+7.4-2_powerpc.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3_4.5+7.4-2_powerpc.deb s390 (IBM S/390) http://security.debian.org/pool/updates/main/p/pcre3/libpcre3_4.5+7.4-2_s390.deb http://security.debian.org/pool/updates/main/p/pcre3/pcregrep_4.5+7.4-2_s390.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3-dev_4.5+7.4-2_s390.deb sparc (Sun SPARC/UltraSPARC) http://security.debian.org/pool/updates/main/p/pcre3/libpcre3-dev_4.5+7.4-2_sparc.deb http://security.debian.org/pool/updates/main/p/pcre3/pcregrep_4.5+7.4-2_sparc.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3_4.5+7.4-2_sparc.deb Debian Linux 4.0 Source archives http://security.debian.org/pool/updates/main/p/pcre3/pcre3_6.7+7.4-3.dsc http://security.debian.org/pool/updates/main/p/pcre3/pcre3_6.7+7.4-3.diff.gz http://security.debian.org/pool/updates/main/p/pcre3/pcre3_6.7+7.4.orig.tar.gz alpha (DEC Alpha) http://security.debian.org/pool/updates/main/p/pcre3/libpcre3_6.7+7.4-3_alpha.deb http://security.debian.org/pool/updates/main/p/pcre3/pcregrep_6.7+7.4-3_alpha.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3-dev_6.7+7.4-3_alpha.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcrecpp0_6.7+7.4-3_alpha.deb amd64 (AMD x86_64 (AMD64)) http://security.debian.org/pool/updates/main/p/pcre3/libpcre3_6.7+7.4-3_amd64.deb http://security.debian.org/pool/updates/main/p/pcre3/pcregrep_6.7+7.4-3_amd64.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcrecpp0_6.7+7.4-3_amd64.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3-dev_6.7+7.4-3_amd64.deb arm (ARM) http://security.debian.org/pool/updates/main/p/pcre3/pcregrep_6.7+7.4-3_arm.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcrecpp0_6.7+7.4-3_arm.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3_6.7+7.4-3_arm.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3-dev_6.7+7.4-3_arm.deb hppa (HP PA RISC) http://security.debian.org/pool/updates/main/p/pcre3/libpcrecpp0_6.7+7.4-3_hppa.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3_6.7+7.4-3_hppa.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3-dev_6.7+7.4-3_hppa.deb http://security.debian.org/pool/updates/main/p/pcre3/pcregrep_6.7+7.4-3_hppa.deb i386 (Intel ia32) http://security.debian.org/pool/updates/main/p/pcre3/pcregrep_6.7+7.4-3_i386.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3_6.7+7.4-3_i386.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3-dev_6.7+7.4-3_i386.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcrecpp0_6.7+7.4-3_i386.deb ia64 (Intel ia64) http://security.debian.org/pool/updates/main/p/pcre3/libpcre3_6.7+7.4-3_ia64.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcrecpp0_6.7+7.4-3_ia64.deb http://security.debian.org/pool/updates/main/p/pcre3/pcregrep_6.7+7.4-3_ia64.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3-dev_6.7+7.4-3_ia64.deb mips (MIPS (Big Endian)) http://security.debian.org/pool/updates/main/p/pcre3/libpcrecpp0_6.7+7.4-3_mips.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3-dev_6.7+7.4-3_mips.deb http://security.debian.org/pool/updates/main/p/pcre3/pcregrep_6.7+7.4-3_mips.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3_6.7+7.4-3_mips.deb mipsel (MIPS (Little Endian)) http://security.debian.org/pool/updates/main/p/pcre3/libpcrecpp0_6.7+7.4-3_mipsel.deb http://security.debian.org/pool/updates/main/p/pcre3/pcregrep_6.7+7.4-3_mipsel.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3_6.7+7.4-3_mipsel.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3-dev_6.7+7.4-3_mipsel.deb powerpc (PowerPC) http://security.debian.org/pool/updates/main/p/pcre3/libpcre3-dev_6.7+7.4-3_powerpc.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3_6.7+7.4-3_powerpc.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcrecpp0_6.7+7.4-3_powerpc.deb http://security.debian.org/pool/updates/main/p/pcre3/pcregrep_6.7+7.4-3_powerpc.deb s390 (IBM S/390) http://security.debian.org/pool/updates/main/p/pcre3/libpcrecpp0_6.7+7.4-3_s390.deb http://security.debian.org/pool/updates/main/p/pcre3/pcregrep_6.7+7.4-3_s390.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3_6.7+7.4-3_s390.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3-dev_6.7+7.4-3_s390.deb sparc (Sun SPARC/UltraSPARC) http://security.debian.org/pool/updates/main/p/pcre3/libpcrecpp0_6.7+7.4-3_sparc.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3-dev_6.7+7.4-3_sparc.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3_6.7+7.4-3_sparc.deb http://security.debian.org/pool/updates/main/p/pcre3/pcregrep_6.7+7.4-3_sparc.deb Suse Linux Las actualizaciones pueden descargarse mediante YAST o del servidor FTP oficial de Suse Linux.
Identificadores estándar
Propiedad	Valor
CVE	CVE-2008-0674
BID
Recursos adicionales
Debian Security Advisory (DSA-1499-1) http://lists.debian.org/debian-security-announce/2008/msg00063.html SUSE Security Advisory (SUSE-SR:2008:004) http://www.novell.com/linux/security/advisories/2008_04_sr.html