int(3195)

Vulnerability Bulletins


Salto de políticas de acceso en Util-Linux

Vulnerability classification

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

System information

Property Value
Affected manufacturer GNU/Linux
Affected software util-linux-2.12a

Description

Se ha encontrado una vulnerabilidad en util-linux-2.12a. La vulnerabilidad reside en que se salta la ejecución de las funciones pam_acct_mqmt y chauth_tok cuando la autenticación es cancelada.

Un atacante remoto podría saltar ciertas políticas de acceso que son controladas por dichas funciones.

Solution



Actualización de software

Mandriva

Corporate Server 3.0
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/i586/losetup-2.12-2.2.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/i586/mount-2.12-2.2.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/i586/util-linux-2.12-2.2.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/SRPMS/util-linux-2.12-2.2.C30mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/x86_64/losetup-2.12-2.2.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/x86_64/mount-2.12-2.2.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/x86_64/util-linux-2.12-2.2.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/SRPMS/util-linux-2.12-2.2.C30mdk.src.rpm

Multi Network Firewall 2.0
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/i586/losetup-2.12-2.2.M20mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/i586/mount-2.12-2.2.M20mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/i586/util-linux-2.12-2.2.M20mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/SRPMS/util-linux-2.12-2.2.M20mdk.src.rpm

Mandriva Linux 2007
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/losetup-2.12r-8.2mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/mount-2.12r-8.2mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/util-linux-2.12r-8.2mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/SRPMS/util-linux-2.12r-8.2mdv2007.0.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/losetup-2.12r-8.2mdv2007.0.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/mount-2.12r-8.2mdv2007.0.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/util-linux-2.12r-8.2mdv2007.0.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/SRPMS/util-linux-2.12r-8.2mdv2007.0.src.rpm

Corporate Server 4.0
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/losetup-2.12q-7.2.20060mlcs4.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/mount-2.12q-7.2.20060mlcs4.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/util-linux-2.12q-7.2.20060mlcs4.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/SRPMS/util-linux-2.12q-7.2.20060mlcs4.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/losetup-2.12q-7.2.20060mlcs4.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/mount-2.12q-7.2.20060mlcs4.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/util-linux-2.12q-7.2.20060mlcs4.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/SRPMS/util-linux-2.12q-7.2.20060mlcs4.src.rpm

Mandriva Linux 2007.1
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/i586/losetup-2.12r-12.1mdv2007.1.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/i586/mount-2.12r-12.1mdv2007.1.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/i586/util-linux-2.12r-12.1mdv2007.1.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/SRPMS/util-linux-2.12r-12.1mdv2007.1.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/x86_64/losetup-2.12r-12.1mdv2007.1.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/x86_64/mount-2.12r-12.1mdv2007.1.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/x86_64/util-linux-2.12r-12.1mdv2007.1.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/SRPMS/util-linux-2.12r-12.1mdv2007.1.src.rpm

Standar resources

Property Value
CVE CVE-2006-7108
BID

Other resources

Mandriva Security Advisory (MDKSA-2007:111)
http://www.mandriva.com/security/advisories?name=MDKSA-2007:111

Version history

Version Comments Date
1.0 Aviso emitido 2007-06-05
Ministerio de Defensa
CNI
CCN
CCN-CERT