From security em unicamp.br  Thu Apr 15 12:18:03 2010
From: security em unicamp.br (CSIRT - UNICAMP)
Date: Thu, 15 Apr 2010 12:18:03 -0300
Subject: [SECURITY-L] CAIS-Alerta: Resumo dos Boletins de Segurana Microsoft
	- Abril 2010
Message-ID: <20100415151803.GA45321@unicamp.br>

----- Forwarded message from Centro de Atendimento a Incidentes de Seguranca <cais em cais.rnp.br> -----

From: Centro de Atendimento a Incidentes de Seguranca <cais em cais.rnp.br>
Subject:  CAIS-Alerta: Resumo dos Boletins de Segurança Microsoft - Abril 2010
To: pop-seg em cais.rnp.br, rnp-alerta em cais.rnp.br, rnp-seg em cais.rnp.br
cc: Centro de Atendimento a Incidentes de Seguranca <cais em cais.rnp.br>
Date: Tue, 13 Apr 2010 17:07:12 -0300 (BRT)

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Prezados,

A Microsoft publicou 11 boletins de segurança em 13 de Abril que abordam 
ao todo 11 vulnerabilidades em produtos da empresa. A exploração destas 
vulnerabilidades permitem execução remota de código, escalação de 
privilégios de usuários locais conectados e negação de serviços.

No momento da publicação deste resumo há exploração ativa de duas das 
vulnerabilidades do boletim: MS10-020 (CVE-2009-3676, CVE-2010-0269, 
CVE-2010-0270, CVE-2010-0476, CVE-2010-0477) e MS10-022 (CVE-2010-0483).


SEVERIDADE

. Crítica

  - MS10-019: Vulnerabilidade no Windows Authenticode Verification
    Vulnerabilidade que permite a execução remota de código

  - MS10-020: Vulnerabilidade no cliente SMB do Windows
    Vulnerabilidade que permite a execução remota de código

  - MS10-025: Vulnerabilidade no Microsoft Windows Media Services
    Vulnerabilidade que permite a execução remota de código

  - MS10-026: Vulnerabilidade nos codecs MPEG Layer-3 da Microsoft
    Vulnerabilidade que permite a execução remota de código

  - MS10-027: Vulnerabilidade no Windows Media Player
    Vulnerabilidade que permite a execução remota de código


. Importante

  - MS10-021: Vulnerabilidades no kernel do Windows
    Vulnerabilidades que permitem elevação de privilégios de um usuário
    local logado

  - MS10-022: Vulnerabilidade no Microsoft Windows VBScript
    Vulnerabilidade que permite a execução remota de código

  - MS10-023: Vulnerabilidade no Microsoft Office Publisher
    Vulnerabilidade que permite a execução remota de código

  - MS10-024: Vulnerabilidade no Microsoft Exchange e Windows SMTP
              Service
    Vulnerabilidade permite negação de serviço (DoS)

  - MS10-028: Vulnerabilidade no Microsoft Visio
    Vulnerabilidade que permite a execução remota de código


. Moderada

  - MS10-029: Vulnerabilidade no componente ISATAP do Windows
    Vulnerabilidade permite spoofing de IP


. Baixa

 - Nenhum boletim


O sistema de classificação de severidade das vulnerabilidades adotado pelo 
CAIS neste resumo é o da própria Microsoft. O CAIS recomenda que se 
aplique, minimamente, as correções para vulnerabilidades classificadas 
como crítica e importante. No caso de correções para vulnerabilidades 
classificadas como moderadas o CAIS recomenda que ao menos as 
recomendações de mitigação sejam seguidas.

. Crítica - Vulnerabilidades cuja exploração possa permitir a propagação
  de um worm sem a necessidade de interação com o usuário.

. Importante - Vulnerabilidades cuja exploração possa resultar no
  comprometimento de confidencialidade, integridade ou disponibilidade de
  dados de usuários ou a integridade ou disponibilidade de recursos de
  processamento.

. Moderada - exploração é mitigada significativamente por fatores como
  configuração padrão, auditoria ou dificuldade de exploração.

. Baixa - uma vulnerabilidade cuja exploração seja extremamente difícil
  ou cujo impacto seja mínimo.


CORREÇÕES DISPONÍVEIS

Recomenda-se atualizar os sistemas para as versões disponíveis em:

. Microsoft Update
  https://www.update.microsoft.com/microsoftupdate/

. Windows Server Update Services
  http://www.microsoft.com/windowsserversystem/updateservices/default.mspx


MAIS INFORMAÇÕES

. Microsoft Security Bulletin Summary for April 2010
  http://www.microsoft.com/technet/security/Bulletin/MS10-apr.mspx

. SANS ISC Handler's Diary 2010-04-13 - Microsoft April 2010 Patch Tuesday
  http://isc.sans.org/diary.html?storyid=8626

. MS10-019: Vulnerabilities in Windows Could Allow Remote Code Execution 
            (981210)
  http://www.microsoft.com/technet/security/Bulletin/MS10-019.mspx

. MS10-020: Vulnerabilities in SMB Client Could Allow Remote Code 
            Execution (980232)
  http://www.microsoft.com/technet/security/Bulletin/MS10-020.mspx

. MS10-025: Vulnerability in Microsoft Windows Media Services Could Allow 
            Remote Code Execution (980858)
  http://www.microsoft.com/technet/security/Bulletin/MS10-025.mspx

. MS10-026: Vulnerability in Microsoft MPEG Layer-3 Codecs Could Allow 
            Remote Code Execution (977816)
  http://www.microsoft.com/technet/security/Bulletin/MS10-026.mspx

. MS10-027: Vulnerability in Windows Media Player Could Allow Remote
            Code Execution (979402)
  http://www.microsoft.com/technet/security/Bulletin/MS10-027.mspx

. MS10-021: Vulnerabilities in Windows Kernel Could Allow Elevation of
            Privilege (979683)
  http://www.microsoft.com/technet/security/Bulletin/MS10-021.mspx

. MS10-022: Vulnerability in VBScript Could Allow Remote Code Execution
            (981169)
  http://www.microsoft.com/technet/security/Bulletin/MS10-022.mspx

. MS10-023: Vulnerability in Microsoft Office Publisher Could Allow
            Remote Code Execution (981160)
  http://www.microsoft.com/technet/security/Bulletin/MS10-023.mspx

. MS10-024: Vulnerabilities in Microsoft Exchange and Windows SMTP
            Service Could Allow Denial of Service (981832)
  http://www.microsoft.com/technet/security/Bulletin/MS10-024.mspx

. MS10-028: Vulnerabilities in Microsoft Visio Could Allow Remote Code
            Execution (980094)
  http://www.microsoft.com/technet/security/Bulletin/MS10-028.mspx

. MS10-029: Vulnerabilities in Windows ISATAP Component Could Allow
            Spoofing (978338)
  http://www.microsoft.com/technet/security/Bulletin/MS10-029.mspx

. Microsoft TechCenter de Segurança
  http://technet.microsoft.com/pt-br/security/

. Microsoft Security Response Center - MSRC
  http://www.microsoft.com/security/msrc/

. Microsoft Security Research & Defense - MSRD
  http://blogs.technet.com/srd/

. Segurança Microsoft
  http://www.microsoft.com/brasil/security/


Identificador CVE (http://cve.mitre.org):

CVE-2009-3676, CVE-2009-0487, CVE-2010-0024, CVE-2010-0025,
CVE-2010-0234, CVE-2010-0235, CVE-2010-0236, CVE-2010-0237,
CVE-2010-0238, CVE-2010-0254, CVE-2010-0256, CVE-2010-0268,
CVE-2010-0269, CVE-2010-0270, CVE-2010-0476, CVE-2010-0477,
CVE-2010-0478, CVE-2010-0479, CVE-2010-0480, CVE-2010-0481,
CVE-2010-0482, CVE-2010-0483, CVE-2010-0486, CVE-2010-0810,
CVE-2010-0812,


O CAIS recomenda que os administradores mantenham seus sistemas e 
aplicativos sempre atualizados, de acordo com as últimas versões e 
correções oferecidas pelos fabricantes.

Os Alertas do CAIS também são oferecidos no formato RSS/RDF:
http://www.rnp.br/cais/alertas/rss.xml


Atenciosamente,

################################################################
#   CENTRO DE ATENDIMENTO A INCIDENTES DE SEGURANCA (CAIS)     #
#       Rede Nacional de Ensino e Pesquisa (RNP)               #
#                                                              #
# cais em cais.rnp.br       http://www.cais.rnp.br                #
# Tel. 019-37873300      Fax. 019-37873301                     #
# Chave PGP disponivel   http://www.rnp.br/cais/cais-pgp.key   #
################################################################
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----- End forwarded message -----


From security em unicamp.br  Thu Apr 15 12:18:28 2010
From: security em unicamp.br (CSIRT - UNICAMP)
Date: Thu, 15 Apr 2010 12:18:28 -0300
Subject: [SECURITY-L] US-CERT Technical Cyber Security Alert TA10-103B --
	Oracle Updates for Multiple Vulnerabilities
Message-ID: <20100415151828.GB45321@unicamp.br>

----- Forwarded message from US-CERT Technical Alerts <technical-alerts em us-cert.gov> -----

From: US-CERT Technical Alerts <technical-alerts em us-cert.gov>
Subject: US-CERT Technical Cyber Security Alert TA10-103B -- Oracle Updates for Multiple Vulnerabilities
To: technical-alerts em us-cert.gov
Date: Tue, 13 Apr 2010 18:15:02 -0400
Organization: US-CERT - +1 202-205-5266


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1


                    National Cyber Alert System

              Technical Cyber Security Alert TA10-103B


Oracle Updates for Multiple Vulnerabilities

   Original release date: April 13, 2010
   Last revised: --
   Source: US-CERT


Systems Affected

     * Oracle Database 11g, versions 11.1.0.7 and 11.2.0.1
     * Oracle Database 10g Release 2, versions 10.2.0.3 and 10.2.0.4
     * Oracle Database 10g, version 10.1.0.5
     * Oracle Database 9i Release 2, versions 9.2.0.8 and 9.2.0.8DV
     * Oracle Application Server 10gR2, version 10.1.2.3.0
     * Oracle Identity Management 10g, version 10.1.4.0.1 and 10.1.4.3
     * Oracle Collaboration Suite 10g, version 10.1.2.4
     * Oracle E-Business Suite Release 12, versions 12.0.4, 12.0.5, 12.0.6, 12.1.1 and 12.1.2
     * Oracle E-Business Suite Release 11i, versions 11.5.10 and 11.5.10.2
     * Oracle Transportation Manager, versions 5.5.05.07, 5.5.06.00, and 6.0.03
     * Oracle Agile - Engineering Data Management, version 6.1.1.0
     * PeopleSoft Enterprise PeopleTools, versions 8.49 and 8.50
     * Oracle Communications Unified Inventory Management version 7.1
     * Oracle Clinical Remote Data Capture Option versions 4.5.3 and 4.6
     * Oracle Thesaurus Management System versions 4.5.2, 4.6 and 4.6.1
     * Oracle Retail Markdown Optimization version 13.1
     * Oracle Retail Place In-Season version 12.2
     * Oracle Retail Plan In-Season version 12.2
     * Oracle Sun Products Suite


Overview

   The Oracle products and components listed above are affected by
   multiple vulnerabilities. The impacts of these vulnerabilities
   include remote execution of arbitrary code, information disclosure,
   and denial of service.


I. Description

   The Oracle Critical Patch Update Advisory - April 2010 addresses 47
   vulnerabilities in various Oracle products and components,
   including 16 vulnerabilities in Sun Solaris. The Advisory provides
   information about affected components, access and authorization
   required for successful exploitation, and the impact from the
   vulnerabilities on data confidentiality, integrity, and
   availability.

   Oracle has associated CVE identifiers with the vulnerabilities
   addressed in this Critical Patch Update. If significant additional
   details about vulnerabilities and remediation techniques become
   available, we will update the Vulnerability Notes Database.


II. Impact

   The impact of these vulnerabilities varies depending on the
   product, component, and configuration of the system. Potential
   consequences include the execution of arbitrary code or commands,
   information disclosure, and denial of service. Vulnerable
   components may be available to unauthenticated, remote attackers.
   An attacker who compromises an Oracle database may be able to
   access sensitive information.


III. Solution

   Apply the appropriate patches or upgrade as specified in the Oracle
   Critical Patch Update Advisory - April 2010. Note that this
   document only lists newly corrected issues. Updates to patches for
   previously known issues are not listed.


IV. References

 * Oracle Critical Patch Update Advisory - April 2010 -
   <http://www.oracle.com/technology/deploy/security/critical-patch-updates/cpuapr2010.html>

 * Sun Security Blog - <http://blogs.sun.com/security/>

 * Sun Product Alerts related to April 2010 CPU -
   <http://search.sun.com/main/index.jsp?nh=100&amp;rf=1&amp;dedupe=false&amp;reslang=en&amp;col=main-support-sunalerts&amp;optstat=true&amp;qt=This+publication+relates+to+the+CPU+for+April+2010>

 ____________________________________________________________________

   The most recent version of this document can be found at:

     <http://www.us-cert.gov/cas/techalerts/TA10-103B.html>
 ____________________________________________________________________

   Feedback can be directed to US-CERT Technical Staff. Please send
   email to <cert em cert.org> with "TA10-103B Feedback VU#591801" in
   the subject.
 ____________________________________________________________________

   For instructions on subscribing to or unsubscribing from this
   mailing list, visit <http://www.us-cert.gov/cas/signup.html>.
 ____________________________________________________________________

   Produced 2010 by US-CERT, a government organization.

   Terms of use:

     <http://www.us-cert.gov/legal.html>
 ____________________________________________________________________

Revision History

  April 13, 2010: Initial release


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From security em unicamp.br  Thu Apr 15 12:18:53 2010
From: security em unicamp.br (CSIRT - UNICAMP)
Date: Thu, 15 Apr 2010 12:18:53 -0300
Subject: [SECURITY-L] US-CERT Technical Cyber Security Alert TA10-103C --
	Adobe Reader and Acrobat Vulnerabilities
Message-ID: <20100415151852.GC45321@unicamp.br>

----- Forwarded message from US-CERT Technical Alerts <technical-alerts em us-cert.gov> -----

From: US-CERT Technical Alerts <technical-alerts em us-cert.gov>
Subject: US-CERT Technical Cyber Security Alert TA10-103C -- Adobe Reader and Acrobat Vulnerabilities
To: technical-alerts em us-cert.gov
Date: Tue, 13 Apr 2010 18:22:58 -0400
Organization: US-CERT - +1 202-205-5266


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1


                    National Cyber Alert System

              Technical Cyber Security Alert TA10-103C


Adobe Reader and Acrobat Vulnerabilities

   Original release date: April 13, 2010
   Last revised: --
   Source: US-CERT


Systems Affected

     * Adobe Reader 9.3.1 and earlier 9.x versions
     * Adobe Reader 8.2.1 and earlier versions
     * Adobe Acrobat 9.3.1 and earlier 9.x versions
     * Adobe Acrobat 8.2.1 and earlier versions


Overview

   Adobe has released Security Bulletin APSB10-09, which describes
   multiple vulnerabilities affecting Adobe Reader and Acrobat.


I. Description

   Adobe Security Bulletin APSB10-09 describes a number of
   vulnerabilities affecting Adobe Reader and Acrobat. These
   vulnerabilities affect Reader and Acrobat 9.3.1 and earlier 9.x
   versions, and 8.2.1 and earlier versions.

   An attacker could exploit these vulnerabilities by convincing a
   user to open a specially crafted PDF file. The Adobe Reader browser
   plug-in is available for multiple web browsers and operating
   systems, which can automatically open PDF documents hosted on a
   website.


II. Impact

   These vulnerabilities could allow a remote attacker to execute
   arbitrary code, write arbitrary files or folders to the file
   system, escalate local privileges, or cause a denial of service on
   an affected system as the result of a user opening a malicious PDF
   document.


III. Solution

   Update

   Adobe has released updates to address this issue. Users are
   encouraged to read Adobe Security Bulletin APSB10-09 and update
   vulnerable versions of Adobe Reader and Acrobat.

   Adobe does not offer standalone installers of Reader or Acrobat
   versions 9.3.2 or 8.2.2. For a fresh installation, first install
   Adobe Reader 9.3.0 or 8.2.0 and then use the automatic update
   feature or install the appropriate update referenced in APSB10-09.

   Disable JavaScript in Adobe Reader and Acrobat

   Disabling JavaScript may prevent some exploits from resulting in
   code execution. Acrobat JavaScript can be disabled using the
   Preferences menu (Edit -> Preferences -> JavaScript; uncheck Enable
   Acrobat JavaScript).

   Adobe provides a framework to blacklist specific JavaScipt APIs. If
   JavaScript must be enabled, this feature may be useful when
   specific APIs are known to be vulnerable or used in attacks.

   Prevent Internet Explorer from automatically opening PDF documents

   The installer for Adobe Reader and Acrobat configures Internet
   Explorer to automatically open PDF files without any user
   interaction. This behavior can be reverted to a safer option that
   prompts the user by importing the following as a .REG file:

   Windows Registry Editor Version 5.00

   [HKEY_CLASSES_ROOT\AcroExch.Document.7]
   "EditFlags"=hex:00,00,00,00

   Disable the display of PDF documents in the web browser

   Preventing PDF documents from opening inside a web browser will
   partially mitigate this vulnerability. If this workaround is
   applied, it may also mitigate future vulnerabilities.

   To prevent PDF documents from automatically being opened in a web
   browser, do the following:

   1. Open Adobe Acrobat Reader.
   2. Open the Edit menu.
   3. Choose the Preferences option.
   4. Choose the Internet section.
   5. Uncheck the "Display PDF in browser" checkbox.

   Do not access PDF documents from untrusted sources

   Do not open unfamiliar or unexpected PDF documents, particularly
   those hosted on websites or delivered as email attachments. Please
   see Cyber Security Tip ST04-010.


IV. References

 * Security update available for Adobe Reader and Acrobat -
   <http://www.adobe.com/support/security/bulletins/apsb10-09.html>

 * Upcoming Adobe Reader and Acrobat 9.3.2 and 8.2.2 to be Delivered
   by New Updater -
   <http://blogs.adobe.com/adobereader/2010/04/upcoming_adobe_reader_and_acro.html>

 * Adobe Reader and Acrobat JavaScript Blacklist Framework -
   <http://kb2.adobe.com/cps/504/cpsid_50431.html>

 ____________________________________________________________________

   The most recent version of this document can be found at:

     <http://www.us-cert.gov/cas/techalerts/TA10-103C.html>
 ____________________________________________________________________

   Feedback can be directed to US-CERT Technical Staff. Please send
   email to <cert em cert.org> with "TA10-103C Feedback VU#352598" in
   the subject.
 ____________________________________________________________________

   For instructions on subscribing to or unsubscribing from this
   mailing list, visit <http://www.us-cert.gov/cas/signup.html>.
 ____________________________________________________________________

   Produced 2010 by US-CERT, a government organization.

   Terms of use:

     <http://www.us-cert.gov/legal.html>
 ____________________________________________________________________

Revision History

  April 13, 2010: Initial release


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From security em unicamp.br  Fri Apr 23 10:02:20 2010
From: security em unicamp.br (CSIRT - UNICAMP)
Date: Fri, 23 Apr 2010 10:02:20 -0300
Subject: [SECURITY-L] CAIS-Alerta: Falso positivo no antivrus McAfee - Abril
	2010
Message-ID: <20100423130218.GA1077@unicamp.br>

----- Forwarded message from Centro de Atendimento a Incidentes de Seguranca <cais em cais.rnp.br> -----

From: Centro de Atendimento a Incidentes de Seguranca <cais em cais.rnp.br>
Subject:  CAIS-Alerta: Falso positivo no antivírus McAfee - Abril 2010
To: pop-seg em cais.rnp.br, rnp-alerta em cais.rnp.br, rnp-seg em cais.rnp.br
Date: Thu, 22 Apr 2010 17:30:07 -0300 (BRT)

-----BEGIN PGP SIGNED MESSAGE-----

Prezados,

A McAfee publicou um alerta relativo à uma detecção falso positiva em
sistemas Windows XP SP3.

Segundo o site [1] antivírus atualizados em 21 de abril de 2010 com o DAT 
5958 detectarão erroneamente o arquivo w32/wecorl.a como sendo um arquivo 
malicioso. A exclusão ou retenção deste arquivo em quarentena pode causar 
tela azul seguido de mensagem para reiniciar o sistema operacional Windows 
XP SP3, impossibilitando o uso deste sistema operacional.

A McAfee recomenda a atualização para o DAT 5959 tanto para versões 
enterprise [2] quanto para versões domésticas [3], para solução deste 
problema, mas caso tenha reiniciado o computador sem realizar esta 
atualização deverá seguir o seguinte procedimento:


. De um computador com acesso à Internet faça o download do Recovery 
  SuperDAT em [4] e salve este arquivo em alguma media portátil (pendrive 
  por exemplo);

. Execute o arquivo baixado nas máquinas afetadas. Caso não seja possível 
  executar o arquivo na máquina afetada, deverá seguir os procedimentos 
  descritos no site [5] para iniciar o Windows em modo de segurança;

. Reinicie o computador normalmente;

. Execute o update do produto para o DAT 5959;


O CAIS recomenda que os administradores mantenham seus sistemas e 
aplicativos sempre atualizados, de acordo com as últimas versões e 
correções oferecidas pelos fabricantes.

Os Alertas do CAIS também são oferecidos no formato RSS/RDF:
http://www.rnp.br/cais/alertas/rss.xml


[1] https://kc.mcafee.com/corporate/index?page=content&id=KB68780
[2] http://www.mcafee.com/apps/downloads/security_updates/dat.asp?region=us&segment=enterprise
[3] http://download.nai.com/products/mcafee-avert/tools/SDAT5958_EM.exe
[4] http://download.nai.com/products/mcafee-avert/tools/SDAT5958_EM.exe
[5] http://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/boot_failsafe.mspx?mfr=true


Atenciosamente,


################################################################
#   CENTRO DE ATENDIMENTO A INCIDENTES DE SEGURANCA (CAIS)     #
#       Rede Nacional de Ensino e Pesquisa (RNP)               #
#                                                              #
# cais em cais.rnp.br       http://www.cais.rnp.br                #
# Tel. 019-37873300      Fax. 019-37873301                     #
# Chave PGP disponivel   http://www.rnp.br/cais/cais-pgp.key   #
################################################################
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