int(1294)

Vulnerability Bulletins


Múltiples vulnerabilidades en squid

Vulnerability classification

Property Value
Confidence level Oficial
Impact Denegación de Servicio
Dificulty Avanzado
Required attacker level Acceso remoto sin cuenta a un servicio estandar

System information

Property Value
Affected manufacturer GNU/Linux
Affected software squid <= 2.5.STABLE7

Description

Se han decubierto varias vulnerabilidades en squid:

CAN-2005-0094 - Se ha encontrado un desbordamiento de búfer en el parseador de las respuestas de Gopher el cual podría conllevar a ina corrupción de memoria y posiblemente a un bloqueo de Squid.

CAN-2005-0095 - Existe una vulnerabilidad de desbordamiento de entero en los mensajes WCCP (Web Cache Communication Protocol).Un atacante podría enviar un datagrama UDP especialmente diseñado con el fin de bloquear Squid.

Solution



Actualización de software

Squid
Parche para Squid 2.5
http://www.squid-cache.org/Versions/v2/2.5/bugs/squid-2.5.STABLE7-ldap_spaces.patch

Debian Linux

Debian Linux 3.0
Source:
http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody5.dsc
http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody5.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_2.4.6-2woody5_alpha.deb
http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody5_alpha.deb
http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody5_alpha.deb
ARM:
http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody5_arm.deb
http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody5_arm.deb
http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody5_arm.deb
Intel IA-32:
http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody5_i386.deb
http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody5_i386.deb
http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody5_i386.deb
Intel IA-64:
http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody5_ia64.deb
http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody5_ia64.deb
http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody5_ia64.deb
HPPA:
http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody5_hppa.deb
http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody5_hppa.deb
http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody5_hppa.deb
Motorola 680x0:
http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody5_m68k.deb
http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody5_m68k.deb
http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody5_m68k.deb
Big endian MIPS:
http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody5_mips.deb
http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody5_mips.deb
http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody5_mips.deb
Little endian MIPS:
http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody5_mipsel.deb
http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody5_mipsel.deb
http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody5_mipsel.deb
PowerPC:
http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody5_powerpc.deb
http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody5_powerpc.deb
http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody5_powerpc.deb
IBM S/390:
http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody5_s390.deb
http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody5_s390.deb
http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody5_s390.deb
Sun Sparc:
http://security.debian.org/pool/updates/main/s/squid/squid_2.4.6-2woody5_sparc.deb
http://security.debian.org/pool/updates/main/s/squid/squid-cgi_2.4.6-2woody5_sparc.deb
http://security.debian.org/pool/updates/main/s/squid/squidclient_2.4.6-2woody5_sparc.deb

Mandrake Linux

Mandrakelinux 9.2
x86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.2/RPMS/squid-2.5.STABLE3-3.5.92mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.2/SRPMS/squid-2.5.STABLE3-3.5.92mdk.src.rpm
AMD64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/9.2/RPMS/squid-2.5.STABLE3-3.5.92mdk.amd64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/9.2/SRPMS/squid-2.5.STABLE3-3.5.92mdk.src.rpm

Mandrakelinux 10.0
x86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.0/RPMS/squid-2.5.STABLE4-2.3.100mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.0/SRPMS/squid-2.5.STABLE4-2.3.100mdk.src.rpm
AMD64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/10.0/RPMS/squid-2.5.STABLE4-2.3.100mdk.amd64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/10.0/SRPMS/squid-2.5.STABLE4-2.3.100mdk.src.rpm

Mandrakelinux 10.1
x86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/RPMS/squid-2.5.STABLE6-2.2.101mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/SRPMS/squid-2.5.STABLE6-2.2.101mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/RPMS/squid-2.5.STABLE6-2.2.101mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/SRPMS/squid-2.5.STABLE6-2.2.101mdk.src.rpm

Mandrake Corporate Server 2.1
x86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/2.1/RPMS/squid-2.4.STABLE7-2.3.C21mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/2.1/SRPMS/squid-2.4.STABLE7-2.3.C21mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/2.1/RPMS/squid-2.4.STABLE7-2.3.C21mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/2.1/SRPMS/squid-2.4.STABLE7-2.3.C21mdk.src.rpm

Mandrake Corporate Server 3.0
x86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/squid-2.5.STABLE4-2.3.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/SRPMS/squid-2.5.STABLE4-2.3.C30mdk.src.rpm

SUSE Linux
Distribuciones basadas en SUSE Linux - Actualizar mediante YaST Online Update

SUSE Linux

SUSE Linux 9.2
x86
ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/squid-2.5.STABLE6-6.6.i586.rpm
ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/squid-2.5.STABLE6-6.6.i586.patch.rpm
ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/src/squid-2.5.STABLE6-6.6.src.rpm
x86_64
ftp://ftp.suse.com/pub/suse/x86_64/update/9.2/rpm/x86_64/squid-2.5.STABLE6-6.6.x86_64.rpm
ftp://ftp.suse.com/pub/suse/x86_64/update/9.2/rpm/x86_64/squid-2.5.STABLE6-6.6.x86_64.patch.rpm
ftp://ftp.suse.com/pub/suse/x86_64/update/9.2/rpm/src/squid-2.5.STABLE6-6.6.src.rpm

SUSE Linux 9.1
x86
ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/squid-2.5.STABLE5-42.27.i586.rpm
ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/squid-2.5.STABLE5-42.27.i586.patch.rpm
ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/src/squid-2.5.STABLE5-42.27.src.rpm
x86_64
ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/squid-2.5.STABLE5-42.27.x86_64.rpm
ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/squid-2.5.STABLE5-42.27.x86_64.patch.rpm

SUSE Linux 9.0
x86
ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/squid-2.5.STABLE3-118.i586.rpm
ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/squid-2.5.STABLE3-118.i586.patch.rpm
ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/squid-2.5.STABLE3-118.src.rpm
x86_64
ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/squid-2.5.STABLE3-118.x86_64.rpm
ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/squid-2.5.STABLE3-118.x86_64.patch.rpm
ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/src/squid-2.5.STABLE3-118.src.rpm

SUSE Linux 8.2
x86
ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/squid-2.5.STABLE1-106.i586.rpm
ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/squid-2.5.STABLE1-106.i586.patch.rpm
ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/src/squid-2.5.STABLE1-106.src.rpm

SUSE Linux 8.1
x86
ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/squid-2.4.STABLE7-288.i586.rpm
ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/squid-2.4.STABLE7-288.i586.patch.rpm
ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/src/squid-2.4.STABLE7-288.src.rpm

Red Hat Linux

Red Hat Desktop (v. 3)
SRPMS
squid-2.5.STABLE3-6.3E.7.src.rpm
IA-32
squid-2.5.STABLE3-6.3E.7.i386.rpm
x86_64
squid-2.5.STABLE3-6.3E.7.x86_64.rpm
https://rhn.redhat.com/

Red Hat Enterprise Linux AS (v. 2.1)
SRPMS
squid-2.4.STABLE7-1.21as.4.src.rpm
IA-32
squid-2.4.STABLE7-1.21as.4.i386.rpm
IA-64
squid-2.4.STABLE7-1.21as.4.ia64.rpm
https://rhn.redhat.com/

Red Hat Enterprise Linux AS (v. 3)
SRPMS
squid-2.5.STABLE3-6.3E.7.src.rpm
IA-32
squid-2.5.STABLE3-6.3E.7.i386.rpm
IA-64
squid-2.5.STABLE3-6.3E.7.ia64.rpm
PPC
squid-2.5.STABLE3-6.3E.7.ppc.rpm
s390
squid-2.5.STABLE3-6.3E.7.s390.rpm
s390x
squid-2.5.STABLE3-6.3E.7.s390x.rpm
x86_64
squid-2.5.STABLE3-6.3E.7.x86_64.rpm
https://rhn.redhat.com/

Red Hat Enterprise Linux ES (v. 2.1)
SRPMS
squid-2.4.STABLE7-1.21as.4.src.rpm
IA-32
squid-2.4.STABLE7-1.21as.4.i386.rpm
https://rhn.redhat.com/

Red Hat Enterprise Linux ES (v. 3)
SRPMS
squid-2.5.STABLE3-6.3E.7.src.rpm
IA-32
squid-2.5.STABLE3-6.3E.7.i386.rpm
IA-64
squid-2.5.STABLE3-6.3E.7.ia64.rpm
x86_64
squid-2.5.STABLE3-6.3E.7.x86_64.rpm
https://rhn.redhat.com/

Red Hat Enterprise Linux WS (v. 3)
SRPMS
squid-2.5.STABLE3-6.3E.7.src.rpm
IA-32
squid-2.5.STABLE3-6.3E.7.i386.rpm
IA-64
squid-2.5.STABLE3-6.3E.7.ia64.rpm
x86_64
squid-2.5.STABLE3-6.3E.7.x86_64.rpm
https://rhn.redhat.com/

Red Hat Linux Advanced Workstation 2.1 Itanium Processor
SRPMS
squid-2.4.STABLE7-1.21as.4.src.rpm
IA-64
squid-2.4.STABLE7-1.21as.4.ia64.rpm
https://rhn.redhat.com/

Red Hat Linux
Red Hat Desktop (v. 4)
Red Hat Enterprise Linux AS (v. 4)
Red Hat Enterprise Linux ES (v. 4)
Red Hat Enterprise Linux WS (v. 4)
https://rhn.redhat.com/

Standar resources

Property Value
CVE CAN-2005-0094
CAN-2005-0095
BID

Other resources

Squid Proxy Cache Security Update Advisory SQUID-2005:1
http://www.squid-cache.org/Advisories/SQUID-2005_1.txt

Squid Proxy Cache Security Update Advisory SQUID-2005:2
http://www.squid-cache.org/Advisories/SQUID-2005_2.txt

Debian Security Advisory DSA-651-1
http://www.nl.debian.org/security/2005/dsa-651

Mandrakesoft Security Advisories MDKSA-2005:014
http://www.mandrakesoft.com/security/advisories?name=MDKSA-2005:014

SUSE Security Summary Report SUSE-SR:2005:003
http://www.novell.com/linux/security/advisories/2005_03_sr.html

SUSE Security Announcement SUSE-SA:2005:006
http://www.novell.com/linux/security/advisories/2005_06_squid.html

Red Hat Security Advisory RHSA-2005:061-19
https://rhn.redhat.com/errata/RHSA-2005-061.html

Red Hat Security Advisory RHSA-2005:060-20
https://rhn.redhat.com/errata/RHSA-2005-060.html

Version history

Version Comments Date
1.0 Aviso emitido 2005-01-21
1.1 Aviso emitido por Mandrake (MDKSA-2005:014) 2005-01-25
1.2 Aviso emitido por SUSE (SUSE-SR:2005:003) 2005-02-07
1.3 Aviso emitido por SUSE (SUSE-SA:2005:006) 2005-02-11
1.4 Aviso emitido por Red Hat (RHSA-2005:061-19) 2005-02-14
1.5 Aviso emitido por Red Hat (RHSA-2005:060-20) 2005-02-16
Ministerio de Defensa
CNI
CCN
CCN-CERT