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VMware Security Advisory 2018-0005

VMware Security Advisory 2018-0005
Posted Jan 11, 2018
Authored by VMware | Site vmware.com

VMware Security Advisory 2018-0005 - VMware Workstation, and Fusion updates resolve use-after-free and integer-overflow vulnerabilities.

tags | advisory, overflow, vulnerability
advisories | CVE-2017-4949, CVE-2017-4950
MD5 | 9626383bdd42e1ee3b4eb490bf37558c

VMware Security Advisory 2018-0005

Change Mirror Download
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VMware Security Advisory

Advisory ID: VMSA-2018-0005
Severity: Critical
Synopsis: VMware Workstation, and Fusion updates resolve use-after
-free and integer-overflow vulnerabilities
Issue date: 2018-01-10
Updated on: 2018-01-10 (Initial Advisory)
CVE number: CVE-2017-4949, CVE-2017-4950

1. Summary

VMware Workstation, and Fusion updates resolve use-after-free and
integer-overflow vulnerabilities

2. Relevant Products

VMware Workstation Pro / Player (Workstation)
VMware Fusion Pro / Fusion (Fusion)

3. Problem Description

a. Use-after-free vulnerability in VMware NAT service

VMware Workstation and Fusion contain a use-after-free vulnerability
in VMware NAT service when IPv6 mode is enabled. This issue may
allow a guest to execute code on the host.

Note: IPv6 mode for VMNAT is not enabled by default.

VMware would like to thank WenQunWang of Tencent's Xuanwu LAB for
reporting this issue to us.

The Common Vulnerabilities and Exposures project (cve.mitre.org) has
assigned the identifier CVE-2017-4949 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
============== ======= ======= ======== ============= ==========
Workstation 14.x Any Critical 14.1.1 None
Workstation 12.x Any Critical 12.5.9 None
Fusion 10.x OS X Critical 10.1.1 None
Fusion 8.x OS X Critical 8.5.10 None

b. Integer-overflow vulnerability in VMware NAT service

VMware Workstation and Fusion contain an integer overflow
vulnerability in VMware NAT service when IPv6 mode is enabled. This
issue may lead to an out-of-bound read which can then be used to
execute code on the host in conjunction with other issues.

Note: IPv6 mode for VMNAT is not enabled by default.

VMware would like to thank WenQunWang of Tencent's Xuanwu LAB for
reporting this issue to us.

The Common Vulnerabilities and Exposures project (cve.mitre.org) has
assigned the identifier CVE-2017-4950 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
============== ======= ======= ========= ============= ===========
Workstation 14.x Any Important 14.1.1 None
Workstation 12.x Any Important 12.5.9 None
Fusion 10.x OS X Important 10.1.1 None
Fusion 8.x OS X Important 8.5.10 None


4. Solution

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

VMware Workstation Pro 14.1.1
Downloads and Documentation:
https://www.vmware.com/go/downloadworkstation
https://www.vmware.com/support/pubs/ws_pubs.html

VMware Workstation Player 14.1.1
Downloads and Documentation:
https://www.vmware.com/go/downloadplayer
https://www.vmware.com/support/pubs/player_pubs.html

VMware Workstation Pro 12.5.9
Downloads and Documentation:
https://my.vmware.com/web/vmware/info/slug/desktop_
end_user_computing/vmware_workstation_pro/12_0
https://www.vmware.com/support/pubs/ws_pubs.html

VMware Workstation Player 12.5.9
Downloads and Documentation:
https://my.vmware.com/en/web/vmware/free#desktop_
end_user_computing/vmware_workstation_player/12_0
https://www.vmware.com/support/pubs/player_pubs.html

VMware Fusion Pro / Fusion 10.1.1
Downloads and Documentation:
https://www.vmware.com/go/downloadfusion
https://www.vmware.com/support/pubs/fusion_pubs.html

VMware Fusion Pro / Fusion 8.5.10
Downloads and Documentation:
https://my.vmware.com/web/vmware/info/slug/desktop_
end_user_computing/vmware_fusion/8_0
https://www.vmware.com/support/pubs/fusion_pubs.html


5. References

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-4949
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-4950

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6. Change log

2018-01-10 VMSA-2017-0005
Initial security advisory in conjunction with the release of VMware
Workstation 12.5.9 on 2018-01-10.

- ------------------------------------------------------------------------
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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