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Date: Fri, 9 Nov 2018 16:12:39 +0000
From: VMware Security Response Center <security@...are.com>
To: "full-disclosure@...ts.grok.org.uk" <full-disclosure@...ts.grok.org.uk>,
"bugtraq@...urityfocus.com" <bugtraq@...urityfocus.com>
CC: VMware Security Response Center <security@...are.com>
Subject: NEW VMSA-2018-0027 VMware ESXi, Workstation, and Fusion updates
address uninitialized stack memory usage
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VMware Security Advisory
Advisory ID: VMSA-2018-0027
Severity: Critical
Synopsis: VMware ESXi, Workstation, and Fusion updates address
uninitialized stack memory usage
Issue date: 2018-11-09
Updated on: 2018-11-09 (Initial Advisory)
CVE number: CVE-2018-6981, CVE-2018-6982
1. Summary
VMware ESXi, Workstation, and Fusion updates address uninitialized
stack memory usage.
2. Relevant Products
VMware vSphere ESXi (ESXi)
VMware Workstation Pro / Player (Workstation)
VMware Fusion Pro / Fusion (Fusion)
3. Problem Description
a. vmxnet3 uninitialized stack memory usage
VMware ESXi, Fusion and Workstation contain uninitialized stack
memory usage in the vmxnet3 virtual network adapter. This
issue may allow a guest to execute code on the host. The issue is
present if vmxnet3 is enabled. Non vmxnet3 virtual adapters are not
affected by this issue.
VMware would like to thank the organizers of GeekPwn2018 and security
researcher Zhangyanyu of Chaitin Tech for reporting this issue to us.
The Common Vulnerabilities and Exposures project (cve.mitre.org) has
assigned the identifier CVE-2018-6981 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
========== ======= ====== ======== ============= ===========
ESXi 6.7 ESXi Critical ESXi670-201811401-BG None
ESXi 6.5 ESXi Critical ESXi650-201811301-BG None
ESXi 6.0 ESXi Critical ESXi600-201811401-BG None
Workstation 15.x Any Critical 15.0.1 None
Workstation 14.x Any Critical 14.1.4 None
Fusion 11.x OS X Critical 11.0.1 None
Fusion 10.x OS X Critical 10.1.4 None
b. vmxnet3 uninitialized stack memory usage
VMware ESXi, Fusion and Workstation contain uninitialized stack
memory usage in the vmxnet3 virtual network adapter. This issue may
lead to an information leak from host to guest. The issue is present
if vmxnet3 is enabled. Non vmxnet3 virtual adapters are not affected
by this issue.
VMware would like to thank the organizers of GeekPwn2018 and security
researcher Zhangyanyu of Chaitin Tech for reporting this issue to us.
The Common Vulnerabilities and Exposures project (cve.mitre.org) has
assigned the identifier CVE-2018-6982 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
========== ======= ====== ======== ============= ===========
ESXi 6.7 ESXi Important ESXi670-201811401-BG None
ESXi 6.5 ESXi Important ESXi650-201811301-BG None
ESXi 6.0 ESXi N/A not affected N/A
Workstation Any Any N/A not affected N/A
Fusion Any OS X N/A not affected N/A
4. Solution
Please review the patch/release notes for your product and
version and verify the checksum of your downloaded file.
ESXi 6.7
Downloads:
https://my.vmware.com/group/vmware/patch
Documentation:
https://docs.vmware.com/en/VMware-vSphere/6.7/rn/esxi670-201811001.html
ESXi 6.5
Downloads:
https://my.vmware.com/group/vmware/patch
Documentation:
https://docs.vmware.com/en/VMware-vSphere/6.5/rn/esxi650-201811001.html
ESXi 6.0
Downloads:
https://my.vmware.com/group/vmware/patch
Documentation:
https://docs.vmware.com/en/VMware-vSphere/6.0/rn/esxi600-201811001.html
VMware Workstation Pro 14.1.4, 15.0.1
Downloads and Documentation:
https://www.vmware.com/go/downloadworkstation
https://docs.vmware.com/en/VMware-Workstation-Pro/index.html
VMware Workstation Player 14.1.4, 15.0.1
Downloads and Documentation:
https://www.vmware.com/go/downloadplayer
https://docs.vmware.com/en/VMware-Workstation-Player/index.html
VMware Fusion Pro / Fusion 10.1.4, 11.0.1
Downloads and Documentation:
https://www.vmware.com/go/downloadfusion
https://docs.vmware.com/en/VMware-Fusion/index.html
5. References
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6981
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6982
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6. Change log
VMSA-2018-0027 2018-11-09
Initial security advisory in conjunction with the release of ESXi 6.0,
6.5, 6.7 patches and VMware Workstation 14.1.4, 15.0.1 and Fusion
10.1.4, 11.0.1 on 2018-11-09.
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7. Contact
E-mail list for product security notifications and announcements:
https://lists.vmware.com/cgi-bin/mailman/listinfo/security-announce
This Security Advisory is posted to the following lists:
security-announce at lists.vmware.com
bugtraq at securityfocus.com
fulldisclosure at seclists.org
E-mail: security at vmware.com
PGP key at: https://kb.vmware.com/kb/1055
VMware Security Advisories
https://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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