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AUSCERT External Security Bulletin Redistribution
ESB-2017.2958.2
Multiple vulnerabilities have been identified in VMWare
Workstation and Fusion
20 November 2017
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AusCERT Security Bulletin Summary
---------------------------------
Product: VMWare Workstation
VMWare Fusion
Publisher: VMWare
Operating System: Windows
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2017-4939 CVE-2017-4938 CVE-2017-4937
CVE-2017-4936 CVE-2017-4935 CVE-2017-4934
Original Bulletin:
https://www.vmware.com/security/advisories/VMSA-2017-0018.html
Revision History: November 20 2017: Added 3e) VMware Workstation installer
DLL hijacking issue
November 17 2017: Initial Release
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VMware Security Advisory
Advisory ID: VMSA-2017-0018
Severity: Critical
Synopsis: VMware Workstation, Fusion and Horizon View Client updates
resolve multiple security vulnerabilities
Issue date: 2017-11-16
Updated on: 2017-11-16 (Initial Advisory)
CVE number: CVE-2017-4934, CVE-2017-4935, CVE-2017-4936,
CVE-2017-4937, CVE-2017-4938
1. Summary
VMware Workstation, Fusion and Horizon View Client updates resolve
multiple security vulnerabilities
2. Relevant Products
VMware Workstation Pro / Player (Workstation)
VMware Fusion Pro / Fusion (Fusion)
3. Problem Description
a. Heap buffer-overflow vulnerability in VMNAT device
VMware Workstation and Fusion contain a heap buffer-overflow
vulnerability in VMNAT device. This issue may allow a guest to
execute code on the host.
VMware would like to thank Jun Mao of Tencent PC Manager working
with ZDI for reporting this issue to us.
The Common Vulnerabilities and Exposures project (cve.mitre.org) has
assigned the identifier CVE-2017-4934 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 N/A Not affected N/A
Workstation 12.x Any Critical 12.5.8 None
Fusion 10.x OS X N/A Not affected N/A
Fusion 8.x OS X Critical 8.5.9 None
b. Out-of-bounds write via Cortado ThinPrint
VMware Workstation and Horizon View Client contain an out-of-bounds
write vulnerability in JPEG2000 parser in the TPView.dll.
On Workstation, this may allow a guest to execute code or perform a
Denial of Service on the Windows OS that runs Workstation. In the
case of a Horizon View Client, this may allow a View desktop to
execute code or perform a Denial of Service on the Windows OS that
runs the Horizon View Client.
Exploitation is only possible if virtual printing has been enabled.
This feature is not enabled by default on Workstation but it is
enabled by default on Horizon View Client.
VMware would like to thank Anonymous working with ZDI for reporting
this issue to us.
The Common Vulnerabilities and Exposures project (cve.mitre.org) has
assigned the identifier CVE-2017-4935 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
Horizon View 4.x Windows Critical 4.6.1 None
Client for Windows
Workstation 14.x Any N/A Not affected N/A
Workstation 12.x Windows Critical 12.5.8 None
c. Multiple out-of-bounds read issues via Cortado ThinPrint
VMware Workstation and Horizon View Client contain multiple
out-of-bounds read vulnerabilities in JPEG2000 parser in the
TPView.dll. On Workstation, this may allow a guest to execute code
or perform a Denial of Service on the Windows OS that runs
Workstation. In the case of a Horizon View Client, this may allow a
View desktop to execute code or perform a Denial of Service on the
Windows OS that runs the Horizon View Client.
Exploitation is only possible if virtual printing has been enabled.
This feature is not enabled by default on Workstation but it is
enabled by default on Horizon View.
VMware would like to thank Ke Liu of Tencent's Xuanwu Lab for
reporting these issues to us.
The Common Vulnerabilities and Exposures project (cve.mitre.org) has
assigned the identifiers CVE-2017-4936 (JPEG2000 Issue-1) and
CVE-2017-4937 (JPEG2000 Issue-2) to these issues.
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
Horizon View 4.x Windows Critical 4.6.1 None
Client for Windows
Workstation 14.x Any N/A Not affected N/A
Workstation 12.x Windows Critical 12.5.8 None
d. Guest RPC NULL pointer dereference vulnerability
VMware Workstation and Fusion contain a guest RPC NULL pointer
dereference vulnerability. Successful exploitation of this issue
may allow attackers with normal user privileges to crash their VMs.
VMware would like to thank Skyer for reporting this issue to us.
The Common Vulnerabilities and Exposures project (cve.mitre.org) has
assigned the identifier CVE-2017-4938 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 N/A Not affected N/A
Workstation 12.x Any Moderate 12.5.8 None
Fusion 10.x OS X N/A Not affected N/A
Fusion 8.x OS X Moderate 8.5.9 None
4. Solution
Please review the patch/release notes for your product and
version and verify the checksum of your downloaded file.
VMware Horizon View Client 4.6.1
Downloads and Documentation:
https://my.vmware.com/web/vmware/details?
downloadGroup=3DCART18FQ3_WIN_461&productId=3D578&rPId=3D18817
VMware Workstation Pro 12.5.8
Downloads and Documentation:
https://www.vmware.com/go/downloadworkstation
https://www.vmware.com/support/pubs/ws_pubs.html
VMware Workstation Player 12.5.8
Downloads and Documentation:
https://www.vmware.com/go/downloadplayer
https://www.vmware.com/support/pubs/player_pubs.html
VMware Fusion Pro / Fusion 8.5.9
Downloads and Documentation:
https://www.vmware.com/go/downloadfusion
https://www.vmware.com/support/pubs/fusion_pubs.html
5. References
http://cve.mitre.org/cgi-bin/cvename.cgi?name=3DCVE-2017-4934
http://cve.mitre.org/cgi-bin/cvename.cgi?name=3DCVE-2017-4935
http://cve.mitre.org/cgi-bin/cvename.cgi?name=3DCVE-2017-4936
http://cve.mitre.org/cgi-bin/cvename.cgi?name=3DCVE-2017-4937
http://cve.mitre.org/cgi-bin/cvename.cgi?name=3DCVE-2017-4938
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6. Change log
2017-11-16 VMSA-2017-0018
Initial security advisory in conjunction with the release of VMware
Workstation 12.5.8 and Fusion 8.5.9 on 2017-11-16.
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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 2017 VMware Inc. All rights reserved.
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