ESB-2018.2063 - [Win] VMware Tools: Access confidential data - Existing account 2018-07-16

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.2063
     VMware Tools update addresses an out-of-bounds read vulnerability
                               16 July 2018

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           VMware Tools
Publisher:         VMWare
Operating System:  Windows
Impact/Access:     Access Confidential Data -- Existing Account
                   Increased Privileges     -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-6969  

Original Bulletin: 
   https://www.vmware.com/security/advisories/VMSA-2018-0017.html

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VMware Security Advisory

Advisory ID: VMSA-2018-0017
Severity:    Important
Synopsis:    VMware Tools update addresses an out-of-bounds read
             vulnerability
Issue date:  2018-07-12
Updated on:  2018-07-12 (Initial Advisory)
CVE number:  CVE-2018-6969


1. Summary

   VMware Tools update addresses an out-of-bounds read vulnerability

2. Relevant Releases

   VMware Tools

3. Problem Description

   VMware Tools HGFS out-of-bounds read vulnerability

   VMware Tools contains an out-of-bounds read vulnerability in HGFS.
   Successful exploitation of this issue may lead to information
   disclosure or may allow attackers to escalate their privileges on
   guest VMs.

   Note: In order to be able to exploit this issue, file sharing must
   be enabled.

   VMware would like to thank Anurudh for reporting this issue to us.

   The Common Vulnerabilities and Exposures project (cve.mitre.org) has
   assigned the identifier CVE-2018-6969 to this issue.

   Column 5 of the following table lists the action required to
   remediate the vulnerability in each release, if a solution is
   available.

   VMware    Product      Running            Replace with/ Mitigation/
   Product   Version      on       Severity  Apply patch   Workaround
VMware Tools 10.x & prior Windows  Important   10.3.0*       None

* VMware Tools must be updated to 10.3.0 for each Windows VM to resolve
CVE-2018-6969.

4. Solution

   Please review the patch/release notes for your product and
   version and verify the checksum of your downloaded file.

   VMware Tools 10.3.0
   Downloads and Documentation:
   https://my.vmware.com/web/vmware/details?downloadGroup=3D
   VMTOOLS1030&productId=3D491


5. References

   https://cve.mitre.org/cgi-bin/cvename.cgi?name=3DCVE-2018-6969
- - -----------------------------------------------------------------------

6. Change log

   2018-07-12 VMSA-2018-0017
   Initial security advisory in conjunction with the release of VMware
   Tools 10.3.0 on 2018-07-12
- - -----------------------------------------------------------------------

7. Contact

   E-mail list for product security notifications and announcements:
   http://lists.vmware.com/cgi-bin/mailman/listinfo/security-announce

   This Security Advisory is posted to the following lists:

     security-announce@lists.vmware.com
     bugtraq@securityfocus.com
     fulldisclosure@seclists.org

   E-mail: security@vmware.com
   PGP key at: https://kb.vmware.com/kb/1055

   VMware Security Advisories
   http://www.vmware.com/security/advisories

   VMware Security Response Policy
   https://www.vmware.com/support/policies/security_response.html

   VMware Lifecycle Support Phases
   https://www.vmware.com/support/policies/lifecycle.html

   VMware Security & Compliance Blog
   https://blogs.vmware.com/security

   Twitter
   https://twitter.com/VMwareSRC

   Copyright 2018 VMware Inc.  All rights reserved.

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