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Vulnerability Bulletins


Vulnerabilidad en Squid

Vulnerability classification

Property Value
Confidence level Oficial
Impact Integridad
Dificulty Experto
Required attacker level Acceso remoto sin cuenta a un servicio estandar

System information

Property Value
Affected manufacturer GNU/Linux
Affected software Squid <=2.5 STABLE9

Description

Se ha descubierto una vulnerabilidad en la versión 2.5 STABLE9 y anteriores de Squid.

Cuando el puerto DNS del cliente no está filtrado y la red no está protegida contra ataques de IP spoofing Squid permite a atacantes remotos spoofear peticiones DNS.

Solution

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 2.5 STABLE9 - Parche
http://www.squid-cache.org/Versions/v2/2.5/bugs/squid-2.5.STABLE9-dns_query-5.patch

Red Hat Linux
Red Hat Enterprise Linux AS (v. 2.1)
Red Hat Enterprise Linux ES (v. 2.1)
Red Hat Linux Advanced Workstation 2.1 Itanium Processor
Red Hat Desktop (v. 3)
Red Hat Desktop (v. 4)
Red Hat Enterprise Linux AS (v. 3)
Red Hat Enterprise Linux AS (v. 4)
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)
https://rhn.redhat.com/

Mandriva Linux

Mandriva Linux 10.1
x86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/RPMS/squid-2.5.STABLE9-1.2.101mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/SRPMS/squid-2.5.STABLE9-1.2.101mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/RPMS/squid-2.5.STABLE9-1.2.101mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/SRPMS/squid-2.5.STABLE9-1.2.101mdk.src.rpm

Corporate Server 2.1
x86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/2.1/RPMS/squid-2.4.STABLE7-2.7.C21mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/2.1/SRPMS/squid-2.4.STABLE7-2.7.C21mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/2.1/RPMS/squid-2.4.STABLE7-2.7.C21mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/2.1/SRPMS/squid-2.4.STABLE7-2.7.C21mdk.src.rpm

Corporate Server 3.0
x86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/squid-2.5.STABLE9-1.2.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/SRPMS/squid-2.5.STABLE9-1.2.C30mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/squid-2.5.STABLE9-1.2.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/SRPMS/squid-2.5.STABLE9-1.2.C30mdk.src.rpm

Mandrivalinux LE2005
x86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/squid-2.5.STABLE9-1.2.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/SRPMS/squid-2.5.STABLE9-1.2.102mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/squid-2.5.STABLE9-1.2.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/SRPMS/squid-2.5.STABLE9-1.2.102mdk.src.rpm

Debian Linux

Debian Linux 3.0
Source
http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody9.dsc
http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody9.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_2.4.6-2woody9_alpha.deb
http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody9_alpha.deb
http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody9_alpha.deb
ARM
http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody9_arm.deb
http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody9_arm.deb
http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody9_arm.deb
Intel IA-32
http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody9_i386.deb
http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody9_i386.deb
http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody9_i386.deb
Intel IA-64
http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody9_ia64.deb
http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody9_ia64.deb
http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody9_ia64.deb
HP Precision
http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody9_hppa.deb
http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody9_hppa.deb
http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody9_hppa.deb
Motorola 680x0
http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody9_m68k.deb
http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody9_m68k.deb
http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody9_m68k.deb
Big endian MIPS
http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody9_mips.deb
http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody9_mips.deb
http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody9_mips.deb
Little endian MIPS
http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody9_mipsel.deb
http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody9_mipsel.deb
http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody9_mipsel.deb
PowerPC
http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody9_powerpc.deb
http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody9_powerpc.deb
http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody9_powerpc.deb
IBM S/390
http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody9_s390.deb
http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody9_s390.deb
http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody9_s390.deb
Sun Sparc
http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody9_sparc.deb
http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody9_sparc.deb
http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody9_sparc.deb

Standar resources

Property Value
CVE CAN-2005-1519
BID

Other resources

Squid 2.5.STABLE9 Patches
http://www.squid-cache.org/Versions/v2/2.5/bugs/#squid-2.5.STABLE9-dns_query

Red Hat Security Advisory RHSA-2005:489-05
https://rhn.redhat.com/errata/RHSA-2005-489.html

Red Hat Security Advisory RHSA-2005:415-16
https://rhn.redhat.com/errata/RHSA-2005-415.html

Mandriva Security Advisories MDKSA-2005:104
http://www.mandriva.com/security/advisories?name=MDKSA-2005:104

Debian Security Advisory DSA 751-1
http://lists.debian.org/debian-security-announce/debian-security-announce-2005/msg00137.html

Version history

Version Comments Date
1.0 Aviso emitido 2005-06-14
1.1 Aviso emitido por Red Hat (RHSA-2005:415-16) 2005-06-15
1.2 Aviso emitido por Mandriva (MDKSA-2005:104) 2005-06-27
1.3 Aviso emitido por Debian (DSA 751-1) 2005-07-12
Ministerio de Defensa
CNI
CCN
CCN-CERT