Boletines de Vulnerabilidades

int(4091)

Boletines de Vulnerabilidades

Ejecución de código 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 7.7
Descripción
Se ha encontrado una vulnerabilidad de tipo desbordamiento de búfer en la librería PCRE 7.7 y anteriores. La vulnerabilidad reside en un error en la comprobación de los límites al procesar ciertas expresiones regulares. Un atacante remoto podría ejecutar código arbitrario mediante una expresión regular especialmente diseñada con opciones "in-pattern" y con múltiples ramas.
Solución
Actualización de software Debian (DSA-1602-1) Debian Linux 4.0 Source http://security.debian.org/pool/updates/main/p/pcre3/pcre3_6.7+7.4-4.dsc http://security.debian.org/pool/updates/main/p/pcre3/pcre3_6.7+7.4-4.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/pcregrep_6.7+7.4-4_alpha.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcrecpp0_6.7+7.4-4_alpha.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3-dev_6.7+7.4-4_alpha.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3_6.7+7.4-4_alpha.deb amd64 (AMD x86_64 (AMD64)) http://security.debian.org/pool/updates/main/p/pcre3/libpcrecpp0_6.7+7.4-4_amd64.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3_6.7+7.4-4_amd64.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3-dev_6.7+7.4-4_amd64.deb http://security.debian.org/pool/updates/main/p/pcre3/pcregrep_6.7+7.4-4_amd64.deb arm (ARM) http://security.debian.org/pool/updates/main/p/pcre3/libpcrecpp0_6.7+7.4-4_arm.deb http://security.debian.org/pool/updates/main/p/pcre3/pcregrep_6.7+7.4-4_arm.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3-dev_6.7+7.4-4_arm.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3_6.7+7.4-4_arm.deb hppa (HP PA RISC) http://security.debian.org/pool/updates/main/p/pcre3/libpcrecpp0_6.7+7.4-4_hppa.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3-dev_6.7+7.4-4_hppa.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3_6.7+7.4-4_hppa.deb http://security.debian.org/pool/updates/main/p/pcre3/pcregrep_6.7+7.4-4_hppa.deb i386 (Intel ia32) http://security.debian.org/pool/updates/main/p/pcre3/libpcrecpp0_6.7+7.4-4_i386.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3-dev_6.7+7.4-4_i386.deb http://security.debian.org/pool/updates/main/p/pcre3/pcregrep_6.7+7.4-4_i386.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3_6.7+7.4-4_i386.deb ia64 (Intel ia64) http://security.debian.org/pool/updates/main/p/pcre3/libpcre3_6.7+7.4-4_ia64.deb http://security.debian.org/pool/updates/main/p/pcre3/pcregrep_6.7+7.4-4_ia64.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3-dev_6.7+7.4-4_ia64.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcrecpp0_6.7+7.4-4_ia64.deb mips (MIPS (Big Endian)) http://security.debian.org/pool/updates/main/p/pcre3/libpcre3_6.7+7.4-4_mips.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3-dev_6.7+7.4-4_mips.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcrecpp0_6.7+7.4-4_mips.deb http://security.debian.org/pool/updates/main/p/pcre3/pcregrep_6.7+7.4-4_mips.deb mipsel (MIPS (Little Endian)) http://security.debian.org/pool/updates/main/p/pcre3/libpcrecpp0_6.7+7.4-4_mipsel.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3-dev_6.7+7.4-4_mipsel.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3_6.7+7.4-4_mipsel.deb http://security.debian.org/pool/updates/main/p/pcre3/pcregrep_6.7+7.4-4_mipsel.deb powerpc (PowerPC) http://security.debian.org/pool/updates/main/p/pcre3/libpcre3_6.7+7.4-4_powerpc.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3-dev_6.7+7.4-4_powerpc.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcrecpp0_6.7+7.4-4_powerpc.deb http://security.debian.org/pool/updates/main/p/pcre3/pcregrep_6.7+7.4-4_powerpc.deb s390 (IBM S/390) http://security.debian.org/pool/updates/main/p/pcre3/libpcre3_6.7+7.4-4_s390.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcrecpp0_6.7+7.4-4_s390.deb http://security.debian.org/pool/updates/main/p/pcre3/pcregrep_6.7+7.4-4_s390.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3-dev_6.7+7.4-4_s390.deb sparc (Sun SPARC/UltraSPARC) http://security.debian.org/pool/updates/main/p/pcre3/libpcre3_6.7+7.4-4_sparc.deb http://security.debian.org/pool/updates/main/p/pcre3/pcregrep_6.7+7.4-4_sparc.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcre3-dev_6.7+7.4-4_sparc.deb http://security.debian.org/pool/updates/main/p/pcre3/libpcrecpp0_6.7+7.4-4_sparc.deb Hewlett-Packard (HPSBUX02431) Web Server v3.05 B.11.23 and B.11.31 PA-32 HPUXWSATW-B305-32.depot Web Server v3.05 B.11.23 and B.11.31 IA-64 HPUXWSATW-B305-64.depot Web Server v2.25 B.11.11 PA-32 HPUXWSATW-B225-1111.depot Web Server v2.25 B.11.23 PA-32 HPUXWSATW-B225-32.depot Web Server v2.25 B.11.23 IA-64 HPUXWSATW-B225-64.depot Web Server v2.25 B.11.31 IA-32 HPUXWSATW-B225-32-1131.depot Web Server v2.25 B.11.31 IA-64 HPUXWSATW-B225-64-1131.depot
Identificadores estándar
Propiedad	Valor
CVE	CVE-2008-2371
BID	30087
Recursos adicionales
Debian Security Advisory (DSA-1602-1) http://lists.debian.org/debian-security-announce/2008/msg00183.html HP SECURITY BULLETIN (HPSBUX02431) http://www13.itrc.hp.com/service/cki/docDisplay.do?docId=emr_na-c01756421-1