Vulnerability Bulletins |
Vulnerabilidad en Squid Proxy Cache |
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Vulnerability classification |
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| Property | Value |
| Confidence level | Oficial |
| Impact | Aumento de la visibilidad |
| Dificulty | Principiante |
| Required attacker level | Acceso remoto sin cuenta a un servicio estandar |
System information |
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| Property | Value |
| Affected manufacturer | GNU/Linux |
| Affected software | Squid 2.x <=2.5STABLE4 |
Description |
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Se ha descubierto un error de validación de entrada en las versiones 2.x anteriores e igual a la 2.5 STABLE4 de Squid. La explotación de esta vulnerabilidad podría permitir a un atacante remoto saltarse Listas de Control de Acceso (ACL) del tipo 'url_regex' mediante el uso de URL especialmente diseñadas. Nótese que, si bien sólo RedHat ha emitido un aviso al respecto, esta vulnerabilidad afecta a cualquier distribución que incluya una versión vulnerable del paquete Squid. |
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Solution |
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Si lo desea, aplique los mecanismos de actualización propios de su distribución, o bien baje las fuentes del software y compílelo usted mismo. Actualización de software Squid Squid-2.4.STABLE5 ftp://ftp.squid-cache.org/pub/squid-2/STABLE/ RedHat Linux RedHat Linux 9 SRPMS ftp://updates.redhat.com/9/en/os/SRPMS/squid-2.5.STABLE1-3.9.src.rpm i386 ftp://updates.redhat.com/9/en/os/i386/squid-2.5.STABLE1-3.9.i386.rpm Mandrake Linux Mandrake Linux 9.1 i386 ftp://ftp.rediris.es/mirror/mandrake/updates/9.1/RPMS/squid-2.5.STABLE1-7.1.91mdk.i586.rpm ftp://ftp.rediris.es/mirror/mandrake/updates/9.1/SRPMS/squid-2.5.STABLE1-7.1.91mdk.src.rpm PPC ftp://ftp.rediris.es/mirror/mandrake/updates/ppc/9.1/RPMS/squid-2.5.STABLE1-7.1.91mdk.ppc.rpm ftp://ftp.rediris.es/mirror/mandrake/updates/ppc/9.1/SRPMS/squid-2.5.STABLE1-7.1.91mdk.src.rpm Mandrake Linux 9.2 i386 ftp://ftp.rediris.es/mirror/mandrake/updates/9.2/RPMS/squid-2.5.STABLE3-3.1.92mdk.i586.rpm ftp://ftp.rediris.es/mirror/mandrake/updates/9.2/SRPMS/squid-2.5.STABLE3-3.1.92mdk.src.rpm AMD64 ftp://ftp.rediris.es/mirror/mandrake/updates/amd64/9.2/RPMS/squid-2.5.STABLE3-3.1.92mdk.amd64.rpm ftp://ftp.rediris.es/mirror/mandrake/updates/amd64/9.2/SRPMS/squid-2.5.STABLE3-3.1.92mdk.src.rpm Multi Network Firewall 8.2 i386 ftp://ftp.rediris.es/mirror/mandrake/updates/mnf8.2/RPMS/squid-2.4.STABLE7-1.2.M82mdk.i586.rpm ftp://ftp.rediris.es/mirror/mandrake/updates/mnf8.2/SRPMS/squid-2.4.STABLE7-1.2.M82mdk.src.rpm Corporate Server 2.1 i386 ftp://ftp.rediris.es/mirror/mandrake/updates/corporate/2.1/RPMS/squid-2.4.STABLE7-2.1.C21mdk.i586.rpm ftp://ftp.rediris.es/mirror/mandrake/updates/corporate/2.1/SRPMS/squid-2.4.STABLE7-2.1.C21mdk.src.rpm x86_64 ftp://ftp.rediris.es/mirror/mandrake/updates/x86_64/corporate/2.1/RPMS/squid-2.4.STABLE7-2.1.C21mdk.x86_64.rpm ftp://ftp.rediris.es/mirror/mandrake/updates/x86_64/corporate/2.1/SRPMS/squid-2.4.STABLE7-2.1.C21mdk.src.rpm Mandrakelinux 10.0 i386 ftp://ftp.rediris.es/mirror/mandrake/updates/10.0/RPMS/squid-2.5.STABLE4-1.100mdk.i586.rpm ftp://ftp.rediris.es/mirror/mandrake/updates/10.0/SRPMS/squid-2.5.STABLE4-1.100mdk.src.rpm Debian Linux Debian Linux 3.0 Source http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody2.dsc http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody2.diff.gz http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6.orig.tar.gz Alpha http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody2_alpha.deb http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody2_alpha.deb http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody2_alpha.deb ARM http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody2_arm.deb http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody2_arm.deb http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody2_arm.deb Intel IA-32 http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody2_i386.deb http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody2_i386.deb http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody2_i386.deb Intel IA-64 http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody2_ia64.deb http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody2_ia64.deb http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody2_ia64.deb HP Precision http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody2_hppa.deb http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody2_hppa.deb http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody2_hppa.deb Motorola 680x0 http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody2_m68k.deb http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody2_m68k.deb http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody2_m68k.deb Big endian MIPS http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody2_mips.deb http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody2_mips.deb http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody2_mips.deb Little endian MIPS http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody1_mipsel.deb http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody1_mipsel.deb http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody1_mipsel.deb PowerPC http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody2_powerpc.deb http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody2_powerpc.deb http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody2_powerpc.deb IBM S/390 http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody2_s390.deb http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody2_s390.deb http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody2_s390.deb Sun Sparc http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody2_sparc.deb http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody2_sparc.deb http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody2_sparc.deb SCO OpenServer OpenServer 5.0.6 ftp://ftp.sco.com/pub/openserver5/oss646c/ ftp://ftp.sco.com/pub/openserver5/opensrc/xorg-6.7.0Ba/ ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2004.10 ftp://ftp.sco.com/pub/openserver5/opensrc/perl-5.8.4Aa/ ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2004.13 OpenServer 5.0.7 http://www.sco.com/support/update/download/osr507list.html SCO UnixWare UnixWare 7.1.4 ftp://ftp.sco.com/pub/updates/UnixWare/SCOSA-2005.16/squid.pkg |
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Standar resources |
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| Property | Value |
| CVE | CAN-2004-0189 |
| BID | |
Other resources |
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Squid Proxy Cache Security Update Advisory SQUID-2004:1 http://www.squid-cache.org/Advisories/SQUID-2004_1.txt RedHat Security Advisory RHSA-2004:134-05 https://rhn.redhat.com/errata/RHSA-2004-134.html MandrakeSoft Security Advisory MDKSA-2004:025 http://www.mandrakesecure.net/en/advisories/advisory.php?name=MDKSA-2004:025 Debian Security Advisory DSA 474-1 http://lists.debian.org/debian-security-announce/debian-security-announce-2004/msg00072.html SCO Security Advisory SCOSA-2004.13 ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2004.13/SCOSA-2004.13.txt SCO Security Advisory SCOSA-2005.16 ftp://ftp.sco.com/pub/updates/UnixWare/SCOSA-2005.16/SCOSA-2005.16.txt |
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Version history |
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| Version | Comments | Date |
| 1.0 | Aviso emitido | 2004-03-30 |
| 1.1 | Aviso emitido por Mandrake | 2004-03-31 |
| 1.2 | Aviso emitido por Debian | 2004-04-05 |
| 1.3 | Aviso emitido por SCO (SCOSA-2004.13) | 2004-09-02 |
| 1.4 | Aviso emitido por SCO (SCOSA-2005.16) | 2005-03-02 |