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VMware Security Advisories
VMSA-2018-0017.4
VMware Tools update addresses an out-of-bounds read vulnerability
VMware Security Advisory
1. Summary
VMware Tools update addresses an out-of-bounds read vulnerability
2. Relevant Products
VMware Tools for Windows
3. Problem Description
VMware Tools Shared Folders out-of-bounds read vulnerability
VMware Tools for Windows contains an out-of-bounds read vulnerability in the Shared Folders feature. Successful exploitation of this issue may lead to information disclosure or may allow attackers to escalate their privileges on the guest VMs.
Note: In order to be able to exploit this issue, Shared Folders feature must be enabled. This issue only affects Windows VMs running on VMware Workstation or Fusion. Products that do not allow the Shared Folders feature to be enabled are not affected.
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
Product Version
Running on
Severity
Replace with/ Apply Patch
Mitigation/ Workaround
*VMware Tools 10.3.0 addressed the issue but it had to be discontinued due to a functional issue on ESXi 6.5, see KB57796. This functional issue with Tools 10.3.0 is not present on Workstation and Fusion.
4. Solution
Please review the patch/release notes for your product and version and verify the checksum of your downloaded file.
VMware Tools 10.3.2
Downloads and Documentation:
https://my.vmware.com/web/vmware/details?downloadGroup=VMTOOLS1032&productId=742
Disable Shared Folders feature on Workstation
Disable Shared Folders feature on Fusion
6. Change log
VMSA-2018-0017 2018-07-12
Initial security advisory in conjunction with the release of VMware Tools 10.3.0 on 2018-07-12
VMSA-2018-0017.1 2018-07-17
Updated Security Advisory to clarify the affected products.
VMSA-2018-0017.2 2018-07-20
Updated Security Advisory to reflect the specific feature that is affected.
VMSA-2018-0017.3 2018-09-06
VMware Tools 10.3.0 is is discontinued because of a functional issue with 10.3.0 in ESXi 6.5, please refer to KB57796 for more information.
VMSA-2018-0017.4 2018-09-12
Updated security advisory in conjunction with the release of VMware Tools 10.3.2 on 2018-09-12
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:
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
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