Prezados,
O CAIS esta' repassando o alerta da Microsoft, intitulado "MS06-051 -
Vulnerability in Windows Kernel Could Result in Remote Code Execution
(917422)", que trata de duas vulnerabilidades identificadas no Kernel do
Microsoft Windows e que podem ser exploradas remotamente, permitindo o
controle completo do sistema atacado.
A primeira vulnerabilidade esta' relacionada com a forma que o Windows
2000 inicia as aplicacoes, permitindo que um usuario registrado no sistema
escale privilegios e tome controle total do sistema afetado. A segunda
vulnerabilidade ocorre pela forma que o Windows lida com excecoes de
multiplas aplicacoes que estao residentes em memoria.
Sistemas afetados:
. Microsoft Windows 2000 Service Pack 4
. Microsoft Windows XP Service Pack 1
. Microsoft Windows XP Service Pack 2
. Microsoft Windows XP Professional x64 Edition
. Microsoft Windows Server 2003
. Microsoft Windows Server 2003 Service Pack 1
. Microsoft Windows Server 2003 para sistemas Itanium
. Microsoft Windows Server 2003 com SP1 para sistemas Itanium
. Microsoft Windows Server 2003 x64 Edition
Correcoes disponiveis:
Recomenda-se fazer a atualizacao para as versoes disponiveis em:
. Microsoft Windows 2000 Service Pack 4
http://www.microsoft.com/downloads/deta ... 388605a8ae (http://www.microsoft.com/downloads/details.aspx?FamilyId=83e0c6fb-a542-463a-88fd-dc388605a8ae)
. Microsoft Windows XP Service Pack 1
http://www.microsoft.com/downloads/deta ... 857007e539 (http://www.microsoft.com/downloads/details.aspx?FamilyId=71e96afc-bc4d-4666-998b-49857007e539)
. Microsoft Windows XP Service Pack 2
http://www.microsoft.com/downloads/deta ... 857007e539 (http://www.microsoft.com/downloads/details.aspx?FamilyId=71e96afc-bc4d-4666-998b-49857007e539)
. Microsoft Windows XP Professional x64 Edition
http://www.microsoft.com/downloads/deta ... cef8a27aef (http://www.microsoft.com/downloads/details.aspx?FamilyId=a6fe5b95-11d1-42cd-995c-c8cef8a27aef)
. Microsoft Windows Server 2003
http://www.microsoft.com/downloads/deta ... ae2b921aef (http://www.microsoft.com/downloads/details.aspx?FamilyId=7d0f888b-df35-40df-baff-0bae2b921aef)
. Microsoft Windows Server 2003 Service Pack 1
http://www.microsoft.com/downloads/deta ... ae2b921aef (http://www.microsoft.com/downloads/details.aspx?FamilyId=7d0f888b-df35-40df-baff-0bae2b921aef)
. Microsoft Windows Server 2003 para sistemas Itanium
http://www.microsoft.com/downloads/deta ... 1b68a110eb (http://www.microsoft.com/downloads/details.aspx?FamilyId=df365b0b-f97f-4df1-9105-d81b68a110eb)
. Microsoft Windows Server 2003 com SP1 para sistemas Itanium
http://www.microsoft.com/downloads/deta ... 1b68a110eb (http://www.microsoft.com/downloads/details.aspx?FamilyId=df365b0b-f97f-4df1-9105-d81b68a110eb)
. Microsoft Windows Server 2003 x64 Edition
http://www.microsoft.com/downloads/deta ... 66f0557eac (http://www.microsoft.com/downloads/details.aspx?FamilyId=3f750ad5-5bfb-4421-a316-ae66f0557eac)
Mais informacoes:
. MS06-051 - Vulnerability in Windows Kernel Could Result in Remote Code Execution (917422)
http://www.microsoft.com/technet/securi ... 6-051.mspx (http://www.microsoft.com/technet/security/bulletin/ms06-051.mspx)
. Microsoft Brasil Security
http://www.microsoft.com/brasil/security (http://www.microsoft.com/brasil/security)
. Technet Brasil - Central de Seguranca
http://www.technetbrasil.com.br/seguranca (http://www.technetbrasil.com.br/seguranca)
Identificador CVE (http://cve.mitre.org (http://cve.mitre.org)): CVE-2006-3443, CVE-2006-3648
O CAIS recomenda que os administradores mantenham seus sistemas e
aplicativos sempre atualizados, de acordo com as ultimas versoes e
correcoes oferecidas pelos fabricantes.
Os Alertas do CAIS tambem sao oferecidos no formato RSS/RDF:
http://www.rnp.br/cais/alertas/rss.xml (http://www.rnp.br/cais/alertas/rss.xml)