int(4786)

Vulnerability Bulletins


Denegación de servicio en Squid

Vulnerability classification

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

System information

Property Value
Affected manufacturer GNU/Linux
Affected software Squid

Description

Se han descubierto múltiples vulnerabilidades en Squid. Las vulnerabilidades residen en errores en los límites de comprobaciones y validaciones de peticiones.

Un atacante remoto podría causar una denegación de servicio mediante peticiones y respuestas especialmente diseñadas.

Solution



Actualización de software

Debian (DSA-1843-1)

Debian Linux 5.0
Source
http://security.debian.org/pool/updates/main/s/squid3/squid3_3.0.STABLE8-3+lenny1.dsc
http://security.debian.org/pool/updates/main/s/squid3/squid3_3.0.STABLE8-3+lenny1.diff.gz
http://security.debian.org/pool/updates/main/s/squid3/squid3_3.0.STABLE8.orig.tar.gz
Arquitectura independiente:
http://security.debian.org/pool/updates/main/s/squid3/squid3-common_3.0.STABLE8-3+lenny1_all.deb
alpha (DEC Alpha)
http://security.debian.org/pool/updates/main/s/squid3/squid3-cgi_3.0.STABLE8-3+lenny1_alpha.deb
http://security.debian.org/pool/updates/main/s/squid3/squidclient_3.0.STABLE8-3+lenny1_alpha.deb
http://security.debian.org/pool/updates/main/s/squid3/squid3_3.0.STABLE8-3+lenny1_alpha.deb
amd64 (AMD x86_64 (AMD64))
http://security.debian.org/pool/updates/main/s/squid3/squid3-cgi_3.0.STABLE8-3+lenny1_amd64.deb
http://security.debian.org/pool/updates/main/s/squid3/squid3_3.0.STABLE8-3+lenny1_amd64.deb
http://security.debian.org/pool/updates/main/s/squid3/squidclient_3.0.STABLE8-3+lenny1_amd64.deb
arm (ARM)
http://security.debian.org/pool/updates/main/s/squid3/squid3_3.0.STABLE8-3+lenny1_arm.deb
http://security.debian.org/pool/updates/main/s/squid3/squidclient_3.0.STABLE8-3+lenny1_arm.deb
http://security.debian.org/pool/updates/main/s/squid3/squid3-cgi_3.0.STABLE8-3+lenny1_arm.deb
armel (ARM EABI)
http://security.debian.org/pool/updates/main/s/squid3/squid3_3.0.STABLE8-3+lenny1_armel.deb
http://security.debian.org/pool/updates/main/s/squid3/squid3-cgi_3.0.STABLE8-3+lenny1_armel.deb
http://security.debian.org/pool/updates/main/s/squid3/squidclient_3.0.STABLE8-3+lenny1_armel.deb
hppa (HP PA RISC)
http://security.debian.org/pool/updates/main/s/squid3/squid3_3.0.STABLE8-3+lenny1_hppa.deb
http://security.debian.org/pool/updates/main/s/squid3/squidclient_3.0.STABLE8-3+lenny1_hppa.deb
http://security.debian.org/pool/updates/main/s/squid3/squid3-cgi_3.0.STABLE8-3+lenny1_hppa.deb
i386 (Intel ia32)
http://security.debian.org/pool/updates/main/s/squid3/squidclient_3.0.STABLE8-3+lenny1_i386.deb
http://security.debian.org/pool/updates/main/s/squid3/squid3-cgi_3.0.STABLE8-3+lenny1_i386.deb
http://security.debian.org/pool/updates/main/s/squid3/squid3_3.0.STABLE8-3+lenny1_i386.deb
ia64 (Intel ia64)
http://security.debian.org/pool/updates/main/s/squid3/squid3-cgi_3.0.STABLE8-3+lenny1_ia64.deb
http://security.debian.org/pool/updates/main/s/squid3/squidclient_3.0.STABLE8-3+lenny1_ia64.deb
http://security.debian.org/pool/updates/main/s/squid3/squid3_3.0.STABLE8-3+lenny1_ia64.deb
mips (MIPS (Big Endian))
http://security.debian.org/pool/updates/main/s/squid3/squid3_3.0.STABLE8-3+lenny1_mips.deb
http://security.debian.org/pool/updates/main/s/squid3/squidclient_3.0.STABLE8-3+lenny1_mips.deb
http://security.debian.org/pool/updates/main/s/squid3/squid3-cgi_3.0.STABLE8-3+lenny1_mips.deb
powerpc (PowerPC)
http://security.debian.org/pool/updates/main/s/squid3/squidclient_3.0.STABLE8-3+lenny1_powerpc.deb
http://security.debian.org/pool/updates/main/s/squid3/squid3_3.0.STABLE8-3+lenny1_powerpc.deb
http://security.debian.org/pool/updates/main/s/squid3/squid3-cgi_3.0.STABLE8-3+lenny1_powerpc.deb
s390 (IBM S/390)
http://security.debian.org/pool/updates/main/s/squid3/squid3_3.0.STABLE8-3+lenny1_s390.deb
http://security.debian.org/pool/updates/main/s/squid3/squidclient_3.0.STABLE8-3+lenny1_s390.deb
http://security.debian.org/pool/updates/main/s/squid3/squid3-cgi_3.0.STABLE8-3+lenny1_s390.deb
sparc (Sun SPARC/UltraSPARC)
http://security.debian.org/pool/updates/main/s/squid3/squid3-cgi_3.0.STABLE8-3+lenny1_sparc.deb
http://security.debian.org/pool/updates/main/s/squid3/squid3_3.0.STABLE8-3+lenny1_sparc.deb
http://security.debian.org/pool/updates/main/s/squid3/squidclient_3.0.STABLE8-3+lenny1_sparc.deb

Standar resources

Property Value
CVE
BID

Other resources

Debian Security Advisory (DSA-1843-1)
http://lists.debian.org/debian-security-announce/2009/msg00158.html

Version history

Version Comments Date
1.0 Aviso emitido 2009-07-31