[SECURITY-L] CAIS-Alerta: Vulnerabilidades no Microsoft PGM (MS08-036)

Qui Jun 12 09:42:57 -03 2008

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From: Centro de Atendimento a Incidentes de Seguranca <cais em cais.rnp.br>
Subject:  CAIS-Alerta: Vulnerabilidades no Microsoft PGM (MS08-036)
To: pop-seg em cais.rnp.br, rnp-alerta em cais.rnp.br, rnp-seg em cais.rnp.br
Date: Wed, 11 Jun 2008 11:54:48 -0300 (BRT)

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Prezados,

O CAIS esta' repassando o alerta da Microsoft, intitulado "MS08-036 - 
Vulnerabilities in Pragmatic General Multicast (PGM) Could Allow Denial of 
Service (950762)", que trata de duas vulnerabilidades reportadas no 
protocolo Pragmatic General Multicast (PGM).

O PGM e' um protocolo multicast escalavel, que permite ao receptor dos 
pacotes controlar a confiabilidade da comunicacao. As vulnerabilidades 
reportadas afetam o modo como o protocolo valida pacotes especialmente 
criados e processa pacotes fragmentados. Ambas vulnerabilidades fazem com 
que o computador atacado pare de responder e precise ser reiniciado.

Sistemas afetados:

. Windows XP Service Pack 2
. Windows XP Service Pack 3
. Windows XP Professional x64 Edition
. Windows XP Professional x64 Edition Service Pack 2
. Windows Server 2003 Service Pack 1
. Windows Server 2003 Service Pack 2
. Windows Server 2003 x64 Edition
. Windows Server 2003 x64 Edition Service Pack 2
. Windows Server 2003 com SP1 para sistemas baseados em Itanium
. Windows Server 2003 com SP2 para sistemas baseados em Itanium
. Windows Vista
. Windows Vista Service Pack 1
. Windows Vista x64 Edition
. Windows Vista x64 Edition Service Pack 1
. Windows Server 2008 para sistemas 32 bits
. Windows Server 2008 para sistemas 64 bits
. Windows Server 2008 para sistemas baseados em Itanium

Correcoes disponiveis:

Recomenda-se fazer a atualizacao para as versoes disponiveis em :

. Windows XP Service Pack 2
  http://www.microsoft.com/downloads/details.aspx?familyid=36b14a81-5979-4e38-9ba3-ed83dfc17adf

. Windows XP Service Pack 3
  http://www.microsoft.com/downloads/details.aspx?familyid=36b14a81-5979-4e38-9ba3-ed83dfc17adf

. Windows XP Professional x64 Edition
  http://www.microsoft.com/downloads/details.aspx?familyid=9e9d24ee-8183-428c-8067-168a8d85eaa1

. Windows XP Professional x64 Edition Service Pack 2
  http://www.microsoft.com/downloads/details.aspx?familyid=9e9d24ee-8183-428c-8067-168a8d85eaa1

. Windows Server 2003 Service Pack 1
  http://www.microsoft.com/downloads/details.aspx?familyid=1e8e2faf-009f-403b-a5fe-a47cf014db3a

. Windows Server 2003 Service Pack 2
  http://www.microsoft.com/downloads/details.aspx?familyid=1e8e2faf-009f-403b-a5fe-a47cf014db3a

. Windows Server 2003 x64 Edition
  http://www.microsoft.com/downloads/details.aspx?familyid=78bf92d8-63c4-4596-8425-8fcfea7f5582

. Windows Server 2003 x64 Edition Service Pack 2
  http://www.microsoft.com/downloads/details.aspx?familyid=78bf92d8-63c4-4596-8425-8fcfea7f5582

. Windows Server 2003 com SP1 para sistemas baseados em Itanium
  http://www.microsoft.com/downloads/details.aspx?familyid=5b7e94fa-22ed-4f7c-b452-647b2e620113

. Windows Server 2003 com SP2 para sistemas baseados em Itanium
  http://www.microsoft.com/downloads/details.aspx?familyid=5b7e94fa-22ed-4f7c-b452-647b2e620113

. Windows Vista
  http://www.microsoft.com/downloads/details.aspx?familyid=ef2d2a4b-4831-41be-b5d0-8df5b01fd205

. Windows Vista Service Pack 1
  http://www.microsoft.com/downloads/details.aspx?familyid=ef2d2a4b-4831-41be-b5d0-8df5b01fd205

. Windows Vista x64 Edition
  http://www.microsoft.com/downloads/details.aspx?familyid=0839fcf4-85ca-445e-896b-f634b10b6700

. Windows Vista x64 Edition Service Pack 1
  http://www.microsoft.com/downloads/details.aspx?familyid=0839fcf4-85ca-445e-896b-f634b10b6700

. Windows Server 2008 para sistemas 32 bits
  http://www.microsoft.com/downloads/details.aspx?familyid=0466a6e7-fdca-4647-af62-449e5f20d1e4

. Windows Server 2008 para sistemas 64 bits
  http://www.microsoft.com/downloads/details.aspx?familyid=304898e6-21a7-476f-b9ed-7ac0d88a91e2

. Windows Server 2008 para sistemas baseados em Itanium
  http://www.microsoft.com/downloads/details.aspx?familyid=8907783b-e3fe-40b2-9fc8-4937e7d58b7e

Mais informacoes:

. MS08-036 - Vulnerabilities in Pragmatic General Multicast (PGM) Could Allow Denial of Service (950762)
  http://www.microsoft.com/technet/security/Bulletin/MS08-036.mspx

. SANS ISC Handler's Diary 2008-06-10: June 2008 Black Tuesday Overview
  http://isc.sans.org/diary.html?storyid=4552

. Microsoft Brasil Security
  http://www.microsoft.com/brasil/security

. Technet Brasil - Central de Seguranca
  http://www.technetbrasil.com.br/seguranca

. Windows Live OneCare
  http://safety.live.com/site/pt-BR/default.htm

Identificador CVE (http://cve.mitre.org): CVE-2008-1440, CVE-2008-1441

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

Atenciosamente,

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