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Vulnerability Bulletins


Vulnerabilidad en el protocolo Open PGP

Vulnerability classification

Property Value
Confidence level Oficial
Impact Integridad
Dificulty Experto
Required attacker level Acceso remoto con cuenta

System information

Property Value
Affected manufacturer GNU/Linux
Affected software Open PGP

Description

Se ha descubierto una vulnerabilidad en el protocolo Open PGP. La vulnerabilidad reside en que el protocolo es vulnerable a un ataque de tiempo que permite obtener el texto plano desde un texto cifrado.

Esta vulnerabilidad es únicamente explotable en sistemas que aceptan una cantidad arbitraria de texto cifrada para descifrarla automáticamente.

Solution



Actualización de software

SUSE Linux (gpg)
Actualizar mediante YaST Online Update

Mandrake Linux

Mandrakelinux 9.2
x86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.2/RPMS/gnupg-1.2.3-3.2.92mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.2/SRPMS/gnupg-1.2.3-3.2.92mdk.src.rpm
AMD64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/9.2/RPMS/gnupg-1.2.3-3.2.92mdk.amd64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/9.2/SRPMS/gnupg-1.2.3-3.2.92mdk.src.rpm

Mandrakelinux 10.0
x86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.0/RPMS/gnupg-1.2.4-1.1.100mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.0/SRPMS/gnupg-1.2.4-1.1.100mdk.src.rpm
AMD64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/10.0/RPMS/gnupg-1.2.4-1.1.100mdk.amd64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/10.0/SRPMS/gnupg-1.2.4-1.1.100mdk.src.rpm

Mandrakelinux 10.1
x86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/RPMS/gnupg-1.2.4-1.1.101mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/SRPMS/gnupg-1.2.4-1.1.101mdk.src.rpm
x86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/RPMS/gnupg-1.2.4-1.1.101mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/SRPMS/gnupg-1.2.4-1.1.101mdk.src.rpm

Corporate Server 2.1
x86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/2.1/RPMS/gnupg-1.0.7-3.3.C21mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/2.1/SRPMS/gnupg-1.0.7-3.3.C21mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/2.1/RPMS/gnupg-1.0.7-3.3.C21mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/2.1/SRPMS/gnupg-1.0.7-3.3.C21mdk.src.rpm

Corporate Server 3.0
x86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/gnupg-1.2.4-1.1.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/SRPMS/gnupg-1.2.4-1.1.C30mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/gnupg-1.2.4-1.1.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/SRPMS/gnupg-1.2.4-1.1.C30mdk.src.rpm

Standar resources

Property Value
CVE CAN-2005-0366
BID

Other resources

Open PGP Flaw
http://www.pgp.com/library/ctocorner/openpgp.html

Mandrakesoft Security Advisories MDKSA-2005:057
http://www.mandrakesoft.com/security/advisories?name=MDKSA-2005:057

Version history

Version Comments Date
1.0 Aviso emitido 2005-03-07
1.1 Aviso emitido por Mandrake (MDKSA-2005:057) 2005-03-16
Ministerio de Defensa
CNI
CCN
CCN-CERT