Date: Fri, 18 May 2007 14:31:49 -0700
From: VMware Security team <security@...are.com>
To: bugtraq@...urityfocus.com, full-disclosure@...ts.grok.org.uk
Subject: VMSA-2007-0004.1 Updated: Multiple
 Denial-of-Service issues fixed and directory traversal vulnerability

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                   VMware Security Advisory

Advisory ID:       VMSA-2007-0004.1
Synopsis:          Updated: Multiple Denial-of-Service issues fixed
                            and directory traversal vulnerability
Issue date:        2007-05-04
Updated on:        2007-05-17
CVE numbers:       CVE-2007-1069 CVE-2007-1337 CVE-2007-1877
                   CVE-2007-1876 CVE-2007-1744
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1. Summary:

Multiple Denial-of-Service issues fixed.  A directory traversal
vulnerability is also addressed.

2. Relevant releases:

VMware Workstation prior to 5.5.4
VMware Player prior to 1.0.4
VMware Server prior to 1.0.3
VMware ACE prior to 1.0.3
VMware ESX 3.0.1 without patches ESX-6856573, ESX-6431040,
                                 ESX-6704314, ESX-5095559.
VMware ESX 3.0.0 without patches ESX-3496682, ESX-5754280,
                                 ESX-1256636, ESX-7104553.
VMware ESX 2.5.4 prior to upgrade patch 8  (Build# 44671)
VMware ESX 2.5.3 prior to upgrade patch 11 (Build# 44672)
VMware ESX 2.1.3 prior to upgrade patch 6  (Build# 44407)
VMware ESX 2.0.2 prior to upgrade patch 6  (Build# 44406)

3. Problem description:

Problems addressed by these patches:

a.   Denial-of-Service on Windows based guest operating systems.

     Some VMware products managed memory in a way that failed to
     gracefully handle some general protection faults (GPFs) in Windows
     guest operating systems.

     A malicious user could use this vulnerability to crash Windows
     virtual machines.  While this vulnerability could allow an
     attacker to crash a virtual machine, we do not believe it was
     possible to escalate privileges or escape virtual containment.

     VMware thanks Rubén Santamarta of Reversemode for identifying and
     reporting this issue.

     The Common Vulnerabilities and Exposures project (cve.mitre.org)
     assigned the name CVE-2007-1069 to this issue.

     ESX
     ---
     ESX Server 3.0.1 Download Patch Bundle ESX-6856573
     ESX Server 3.0.0 Download Patch Bundle ESX-3496682
     ESX 2.5.4 Upgrade Patch 8  (Build# 44671)
     ESX 2.5.3 Upgrade Patch 11 (Build# 44672)
     ESX 2.1.3 Upgrade Patch 6  (Build# 44407)
     ESX 2.0.2 Upgrade Patch 6  (Build# 44406)

     Hosted products
     ---------------
     VMware Workstation 5.5.4 (Build# 44386)
     VMware Player      1.0.4 (Build# 44386)
     VMware Server      1.0.3 (Build# 44356)
     VMware ACE         1.0.3 (Build# 44385)

b.   Denial-of-Service using ACPI I/O ports

     Virtual machines can be put in various states of suspension, as
     specified by the ACPI power management standard. When returning
     from a sleep state (S2) to the run state (S0), the virtual machine
     process (VMX) collects information about the last recorded running
     state for the virtual machine.  Under some circumstances, VMX read
     state information from an incorrect memory location. This issue
     could be used to complete a successful Denial-of-Service attack
     where the virtual machine would need to be rebooted.

     Thanks to Tavis Ormandy of Google for identifying this issue.
     http://taviso.decsystem.org/virtsec.pdf

     The Common Vulnerabilities and Exposures project (cve.mitre.org)
     has assigned the name CVE-2007-1337 to this issue.

     ESX
     ---
     ESX 3.0.1 Download Patch Bundle ESX-6431040
     ESX 3.0.0 Download Patch Bundle ESX-5754280
     ESX 2.5.4 Upgrade Patch 8  (Build# 44671)
     ESX 2.5.3 Upgrade Patch 11 (Build# 44672)
     ESX 2.1.3 Upgrade Patch 6  (Build# 44407)
     ESX 2.0.2 Upgrade Patch 6  (Build# 44406)

     Hosted products
     ---------------
     VMware Workstation 5.5.4 (Build# 44386)
     VMware Player      1.0.4 (Build# 44386)
     VMware Server      1.0.3 (Build# 44356)
     VMware ACE         1.0.3 (Build# 44385)

c.   Denial-of-Service using malformed configuration data

     Some VMware products support storing configuration information
     files. Under some circumstances, a malicious user could instruct
     the virtual machine process (VMX) to store malformed data, causing
     an error. This error could enable a successful Denial-of-Service
     attack on guest operating systems.

     VMware would like to thank Per-Fredrik Pollnow and Mikael Janers
     technical security consultants at SunGard iXsecurity.

     The Common Vulnerabilities and Exposures project (cve.mitre.org)
     has assigned the name CVE-2007-1877 to this issue.

     ESX
     ---
     ESX 3.0.1 Download Patch Bundle ESX-6704314 and ESX-5095559
     ESX 3.0.0 Download Patch Bundle ESX-1256636 and ESX-7104553
     ESX 2.5.4 Upgrade Patch 8  (Build# 44671)
     ESX 2.5.3 Upgrade Patch 11 (Build# 44672)
     ESX 2.1.3 Upgrade Patch 6  (Build# 44407)
     ESX 2.0.2 Upgrade Patch 6  (Build# 44406)

     Hosted products
     ---------------
     VMware Workstation 5.5.4 (Build# 44386)
     VMware Player      1.0.4 (Build# 44386)
     VMware Server      1.0.3 (Build# 44356)
     VMware ACE         1.0.3 (Build# 44385)

d.   Debugging local programs could create system instability

     In a 64-bit Windows guest on a 64-bit host, debugging local
     programs could create system instability. Using a debugger to step
     into a syscall instruction may corrupt the virtual machine's
     register context. This corruption produces unpredictable results
     including corrupted stack pointers, kernel bugchecks, or vmware-vmx
     process failures.

     Thanks to Ken Johnson for identifying this issue.

     The Common Vulnerabilities and Exposures project (cve.mitre.org)
     has assigned the name CVE-2007-1876 to this issue.

     ESX
     ---
     ESX 3.0.1 Download Patch Bundle ESX-5095559
     ESX 3.0.0 Download Patch Bundle ESX-7104553

     NOTE: ESX 2.x doesn't support 64-bit guest operating systems

     Hosted products
     ---------------
     VMware Workstation 5.5.4 (Build# 44386)
     VMware Player      1.0.4 (Build# 44386)
     VMware Server      1.0.3 (Build# 44356)
     VMware ACE         1.0.3 (Build# 44385)

e.   Directory traversal vulnerability in shared folders feature

     Shared Folders is a feature that enables users of guest operating
     systems to access a specified set of folders in the host's file
     system. A vulnerability was identified by Greg MacManus of iDefense
     Labs that could allow an attacker to write arbitrary content from a
     guest system to arbitrary locations on the host system. In order to
     exploit this vulnerability, the VMware system must have at least
     one folder shared. Although the Shared Folder feature is enabled by
     default, no folders are shared by default, which means this
     vulnerability is not exploitable by default.

     The Common Vulnerabilities and Exposures project (cve.mitre.org)
     has assigned the name CVE-2007-1744 to this issue.

     Hosted products
     ---------------
     VMware Workstation 5.5.4 (Build# 44386)
     VMware Player      1.0.4 (Build# 44386)
     VMware Server      1.0.3 (Build# 44356)
     VMware ACE         1.0.3 (Build# 44385)

     NOTE: ESX doesn't use shared folders

4. Solution:

Please review the Patch notes for your product and version and verify
the md5sum of your downloaded file.

  ESX 3.0.1

  ESX-6856573
  http://www.vmware.com/support/vi3/doc/esx-6856573-patch.html
  md5sum 16bb030929bb005fe26c09f637cb9cd8

  ESX-6431040
  http://www.vmware.com/support/vi3/doc/esx-6431040-patch.html
  md5sum ef6bc745b3d556e0736fd39b8ddc8087

  ESX-6704314
  http://www.vmware.com/support/vi3/doc/esx-6704314-patch.html
  md5sum 2470567517a64726b1c5929c59ed6134

  ESX-5095559
  http://www.vmware.com/support/vi3/doc/esx-5095559-patch.html
  md5sum bcded4127598c22d47f06ab03366d2f8

  ESX 3.0.0

  ESX-3496682
  http://www.vmware.com/support/vi3/doc/esx-3496682-patch.html
  md5sum 929c6830a4cdc939b0b2a35e83e3b1ac

  ESX-5754280
  http://www.vmware.com/support/vi3/doc/esx-5754280-patch.html
  md5sum 82b3c7e18dd1422f30c4aa9e477c6a27

  ESX-1256636
  http://www.vmware.com/support/vi3/doc/esx-1256636-patch.html
  md5sum e7f0b1920bd2a609d1c3b18249717f2c

  ESX-7104553
  http://www.vmware.com/support/vi3/doc/esx-7104553-patch.html
  md5sum 81c4f33331a4cbc565c1d9a44b1ea4fc

  ESX 2.5.4
  http://www.vmware.com/support/esx25/doc/esx-254-200704-patch.html
  md5sum ef4d601c130c7a08176827252bc01152

  ESX 2.5.3
  http://www.vmware.com/support/esx25/doc/esx-253-200704-patch.html
  md5sum be048c744cdcd71b3da92098efe06f08

  ESX 2.1.3
  http://www.vmware.com/support/esx21/doc/esx-213-200704-patch.html
  md5sum 2dfc6aca32c77d673b0f7a1295ad7609

  ESX 2.0.2
  http://www.vmware.com/support/esx2/doc/esx-202-200704-patch.html
  md5sum 0e997bd53d94dff2d9452e5679bd1b3c

Hosted products can be downloaded from the following locations:

  VMware Workstation 5.5.4
  http://www.vmware.com/download/ws/ws5.html

  Note: VMware Workstation 6.0.0, is available.  Anyone
  considering a patch or upgrade may wish to plan for a move
  directly to the VMware Workstation 6.0.0 release.

  VMware Workstation 6.0.0
  http://www.vmware.com/download/ws/

  VMware Server 1.0.3
  http://www.vmware.com/download/server/

  VMware Player 1.0.4
  http://www.vmware.com/download/player/

  Note: VMware Player 2.0, is available.  Anyone considering
  a patch or upgrade may wish to plan for a move directly to
  the VMware Player 2.0 release.

  VMware ACE 1.0.3
  http://www.vmware.com/download/ace/

  Note: ACE 2, a major release of ACE, is available.  Anyone
  considering a patch or upgrade may wish to plan for a move
  directly to the ACE 2.0 release.

5. References:

  CVE numbers
  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1069
  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1337
  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1877
  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1876
  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1744

6. Contact:

E-mail:  security@...are.com

http://www.vmware.com/security

VMware Security Response Policy
http://www.vmware.com/vmtn/technology/security/security_response.html

Copyright 2007 VMware Inc. All rights reserved.


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