Vulnerability Bulletins |
Denegación de servicio en Squid |
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Vulnerability classification |
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| Property | Value |
| Confidence level | Oficial |
| Impact | Denegación de Servicio |
| Dificulty | Experto |
| Required attacker level | Acceso remoto con cuenta |
System information |
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| Property | Value |
| Affected manufacturer | GNU/Linux |
| Affected software |
Squid 2.x <= 2.6.STABLE17 Squid-3 beta |
Description |
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Se ha descubierto una vulnerabilidad en Squid 2.x hasta la versión 2.6.STABLE17, y Squid-3 beta. La vulnerabilidad reside en un error en la comprobación de los limites al procesar cabeceras HTTP para objetos almacenados en la caché. El error se encuentra en la función "arrayShrink()" del fichero "lib/Array.c". Un atacante local podría causar una denegación de servicio mediante métodos no especificados. |
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Solution |
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Actualización de software Squid Proxy Cache (SQUID-2007:2) Squid 2.6.STABLE18 Squid-3 Snapshot 20 Noviembre http://www.squid-cache.org/Download/ Red Hat (RHSA-2008:0214-3) RHEL Desktop Workstation (v. 5 cliente) Red Hat Desktop (v. 3) Red Hat Desktop (v. 4) Red Hat Enterprise Linux (v. 5 servidor) Red Hat Enterprise Linux AS (v. 2.1) Red Hat Enterprise Linux AS (v. 3) Red Hat Enterprise Linux AS (v. 4) Red Hat Enterprise Linux ES (v. 2.1) Red Hat Enterprise Linux ES (v. 3) Red Hat Enterprise Linux ES (v. 4) Red Hat Enterprise Linux WS (v. 3) Red Hat Enterprise Linux WS (v. 4) Red Hat Linux Advanced Workstation 2.1 para Itanium Processor https://rhn.redhat.com/ Debian (DSA-1646-2) Debian Linux 4.0 Source http://security.debian.org/pool/updates/main/s/squid/squid_2.6.5-6etch4.dsc http://security.debian.org/pool/updates/main/s/squid/squid_2.6.5.orig.tar.gz http://security.debian.org/pool/updates/main/s/squid/squid_2.6.5-6etch4.diff.gz Arquitectura independiente http://security.debian.org/pool/updates/main/s/squid/squid-common_2.6.5-6etch4_all.deb alpha (DEC Alpha) http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.6.5-6etch4_alpha.deb http://security.debian.org/pool/updates/main/s/squid/squidclient_2.6.5-6etch4_alpha.deb http://security.debian.org/pool/updates/main/s/squid/squid_2.6.5-6etch4_alpha.deb amd64 (AMD x86_64 (AMD64)) http://security.debian.org/pool/updates/main/s/squid/squidclient_2.6.5-6etch4_amd64.deb http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.6.5-6etch4_amd64.deb http://security.debian.org/pool/updates/main/s/squid/squid_2.6.5-6etch4_amd64.deb arm (ARM) http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.6.5-6etch4_arm.deb http://security.debian.org/pool/updates/main/s/squid/squidclient_2.6.5-6etch4_arm.deb http://security.debian.org/pool/updates/main/s/squid/squid_2.6.5-6etch4_arm.deb hppa (HP PA RISC) http://security.debian.org/pool/updates/main/s/squid/squid_2.6.5-6etch4_hppa.deb http://security.debian.org/pool/updates/main/s/squid/squidclient_2.6.5-6etch4_hppa.deb http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.6.5-6etch4_hppa.deb i386 (Intel ia32) http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.6.5-6etch4_i386.deb http://security.debian.org/pool/updates/main/s/squid/squid_2.6.5-6etch4_i386.deb http://security.debian.org/pool/updates/main/s/squid/squidclient_2.6.5-6etch4_i386.deb ia64 (Intel ia64) http://security.debian.org/pool/updates/main/s/squid/squid_2.6.5-6etch4_ia64.deb http://security.debian.org/pool/updates/main/s/squid/squidclient_2.6.5-6etch4_ia64.deb http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.6.5-6etch4_ia64.deb mips (MIPS (Big Endian)) http://security.debian.org/pool/updates/main/s/squid/squidclient_2.6.5-6etch4_mips.deb http://security.debian.org/pool/updates/main/s/squid/squid_2.6.5-6etch4_mips.deb http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.6.5-6etch4_mips.deb mipsel (MIPS (Little Endian)) http://security.debian.org/pool/updates/main/s/squid/squidclient_2.6.5-6etch4_mipsel.deb http://security.debian.org/pool/updates/main/s/squid/squid_2.6.5-6etch4_mipsel.deb http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.6.5-6etch4_mipsel.deb powerpc (PowerPC) http://security.debian.org/pool/updates/main/s/squid/squidclient_2.6.5-6etch4_powerpc.deb http://security.debian.org/pool/updates/main/s/squid/squid_2.6.5-6etch4_powerpc.deb http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.6.5-6etch4_powerpc.deb s390 (IBM S/390) http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.6.5-6etch4_s390.deb http://security.debian.org/pool/updates/main/s/squid/squidclient_2.6.5-6etch4_s390.deb http://security.debian.org/pool/updates/main/s/squid/squid_2.6.5-6etch4_s390.deb sparc (Sun SPARC/UltraSPARC) http://security.debian.org/pool/updates/main/s/squid/squid_2.6.5-6etch4_sparc.deb http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.6.5-6etch4_sparc.deb http://security.debian.org/pool/updates/main/s/squid/squidclient_2.6.5-6etch4_sparc.deb |
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Standar resources |
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| Property | Value |
| CVE | CVE-2008-1612 |
| BID | 28693 |
Other resources |
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Squid Proxy Cache Security Update Advisory (SQUID-2007:2) http://www.squid-cache.org/Advisories/SQUID-2007_2.txt Red Hat Security Advisory (RHSA-2008:0214-3) https://rhn.redhat.com/errata/RHSA-2008-0214.html Debian Security Advisory (DSA-1646-1) http://lists.debian.org/debian-security-announce/2008/msg00237.html Debian Security Advisory (DSA-1646-2) http://lists.debian.org/debian-security-announce/2008/msg00241.html |
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Version history |
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| Version | Comments | Date |
| 1.0 | Aviso emitido | 2008-04-11 |
| 1.1 | Aviso emitido por Debian (DSA-1646-1) | 2008-10-07 |
| 1.2 | Aviso actualizado por Debian (DSA-1646-2) | 2008-10-13 |