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Vulnerability Bulletins


Denegación de Servicio 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

Description

Se ha descubierto una vulnerabilidad en la versión 2.5 de Squid. La vulnerabilidad reside en las rutinas de autenticación NTLM.

La explotación de esta vulnerabilidad podría permitir a un atacante remoto provocar una situación de denegación de servicio de Squid mediante el envío de un paquete NTLMSSP especialmente diseñado.

Solution



Actualización de software

Squid
Parche
http://www.squid-cache.org/bugs/attachment.cgi?id=432&action=view

Mandrake Linux

Mandrakelinux 9.2
x86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.2/RPMS/squid-2.5.STABLE3-3.3.92mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.2/SRPMS/squid-2.5.STABLE3-3.3.92mdk.src.rpm
AMD64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/9.2/RPMS/squid-2.5.STABLE3-3.3.92mdk.amd64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/9.2/SRPMS/squid-2.5.STABLE3-3.3.92mdk.src.rpm

Mandrakelinux 10.0
x86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.0/RPMS/squid-2.5.STABLE4-2.1.100mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.0/SRPMS/squid-2.5.STABLE4-2.1.100mdk.src.rpm
AMD64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/10.0/RPMS/squid-2.5.STABLE4-2.1.100mdk.amd64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/10.0/SRPMS/squid-2.5.STABLE4-2.1.100mdk.src.rpm

Red Hat Linux

Red Hat Desktop (v. 3)
AMD64
squid-2.5.STABLE3-6.3E.1.x86_64.rpm
SRPMS
squid-2.5.STABLE3-6.3E.1.src.rpm
i386
squid-2.5.STABLE3-6.3E.1.i386.rpm
https://rhn.redhat.com/

Red Hat Enterprise Linux AS (v. 3)
AMD64
squid-2.5.STABLE3-6.3E.1.x86_64.rpm
SRPMS
squid-2.5.STABLE3-6.3E.1.src.rpm
i386
squid-2.5.STABLE3-6.3E.1.i386.rpm
ia64
squid-2.5.STABLE3-6.3E.1.ia64.rpm
ppc
squid-2.5.STABLE3-6.3E.1.ppc.rpm
s390
squid-2.5.STABLE3-6.3E.1.s390.rpm
s390x
squid-2.5.STABLE3-6.3E.1.s390x.rpm
https://rhn.redhat.com/

Red Hat Enterprise Linux ES (v. 3)
AMD64
squid-2.5.STABLE3-6.3E.1.x86_64.rpm
SRPMS
squid-2.5.STABLE3-6.3E.1.src.rpm
i386
squid-2.5.STABLE3-6.3E.1.i386.rpm
ia64
squid-2.5.STABLE3-6.3E.1.ia64.rpm
https://rhn.redhat.com/

Red Hat Enterprise Linux WS (v. 3)
AMD64
squid-2.5.STABLE3-6.3E.1.x86_64.rpm
SRPMS
squid-2.5.STABLE3-6.3E.1.src.rpm
i386
squid-2.5.STABLE3-6.3E.1.i386.rpm
ia64
squid-2.5.STABLE3-6.3E.1.ia64.rpm
https://rhn.redhat.com/

Standar resources

Property Value
CVE CAN-2004-0832
BID

Other resources

Squid Bug 1045
http://www.squid-cache.org/bugs/show_bug.cgi?id=1045

Mandrakesoft Security Advisory MDKSA-2004:093
http://www.mandrakesoft.com/security/advisories?name=MDKSA-2004:093

Red Hat Linux Advisory RHSA-2004:462-10
https://rhn.redhat.com/errata/RHSA-2004-462.html

Version history

Version Comments Date
1.0 Aviso emitido 2004-09-16
1.1 Aviso emitido por Red Hat (RHSA-2004:462-10). 2004-10-01
Ministerio de Defensa
CNI
CCN
CCN-CERT