int(1557)

Vulnerability Bulletins


Condición de carrera en Squid

Vulnerability classification

Property Value
Confidence level Oficial
Impact Aumento de la visibilidad
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.STABLE7 - 2.5.STABLE9

Description

Se ha descubierto una vulnerabilidad en las versiones que van de la 2.5.STABLE7 a la 2.5.STABLE9 de Squid. La vulnerabilidad reside en una condición de carrera en el manejo del parámetro Set-Cookie.

La explotación de esta vulnerabilidad podría permitir a un atacante remoto robar cookies.

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-setcookie.patch

Mandriva Linux

Mandrakelinux 10.0
x86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.0/RPMS/squid-2.5.STABLE9-1.1.100mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.0/SRPMS/squid-2.5.STABLE9-1.1.100mdk.src.rpm
AMD64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/10.0/RPMS/squid-2.5.STABLE9-1.1.100mdk.amd64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/10.0/SRPMS/squid-2.5.STABLE9-1.1.100mdk.src.rpm

Mandrakelinux 10.1
x86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/RPMS/squid-2.5.STABLE6-2.4.101mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/RPMS/squid-2.5.STABLE9-1.1.101mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/SRPMS/squid-2.5.STABLE9-1.1.101mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/RPMS/squid-2.5.STABLE9-1.1.101mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/SRPMS/squid-2.5.STABLE9-1.1.101mdk.src.rpm

Corporate Server 2.1
x86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/2.1/RPMS/squid-2.4.STABLE7-2.6.C21mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/2.1/SRPMS/squid-2.4.STABLE7-2.6.C21mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/2.1/RPMS/squid-2.4.STABLE7-2.6.C21mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/2.1/SRPMS/squid-2.4.STABLE7-2.6.C21mdk.src.rpm

Corporate Server 3.0
x86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/squid-2.5.STABLE9-1.1.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/SRPMS/squid-2.5.STABLE9-1.1.C30mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/squid-2.5.STABLE9-1.1.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/SRPMS/squid-2.5.STABLE9-1.1.C30mdk.src.rpm

Mandrivalinux LE2005
x86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/squid-2.5.STABLE9-1.1.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/SRPMS/squid-2.5.STABLE9-1.1.102mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/squid-2.5.STABLE9-1.1.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/SRPMS/squid-2.5.STABLE9-1.1.102mdk.src.rpm

Red Hat Linux
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/

Standar resources

Property Value
CVE CAN-2005-0626
BID

Other resources

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

Mandriva Security Advisories MDKSA-2005:078
http://www.mandriva.com/security/advisories?name=MDKSA-2005:078

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

Version history

Version Comments Date
1.0 Aviso emitido 2005-05-02
1.1 Aviso emitido por Red Hat (RHSA-2005:415-16) 2005-06-15
Ministerio de Defensa
CNI
CCN
CCN-CERT