-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - ------------------------------------------------------------------------ VMware Security Advisory Advisory ID: VMSA-2018-0003 Severity: Important Synopsis: vRealize Operations for Horizon, vRealize Operations for Published Applications, Workstation, Horizon View Client and Tools updates resolve multiple security vulnerabilities Issue date: 2018-01-04 Updated on: 2018-01-04 (Initial Advisory) CVE number: CVE-2017-4945, CVE-2017-4946, CVE-2017-4948 1. Summary vRealize Operations for Horizon, vRealize Operations for Published Applications, Workstation, Horizon View Client and Tools updates resolve multiple security vulnerabilities. 2. Relevant Products vRealize Operations for Horizon (V4H) vRealize Operations for Published Applications (V4PA) VMware Workstation Pro / Player (Workstation) VMware Fusion Pro / Fusion (Fusion) VMware Horizon View Client for Windows 3. Problem Description a. V4H and V4PA desktop agent privilege escalation vulnerability The V4H and V4PA desktop agents contain a privilege escalation vulnerability. Successful exploitation of this issue could result in a low privileged windows user escalating their privileges to SYSTEM. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the identifier CVE-2017-4946 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 ========== ========= ======= ========= ============= ========== V4H 6.x Windows Important 6.5.1* KB52195 V4PA 6.x Windows Important 6.5.1 KB52195 *This agent is also bundled with Horizon 7.4 b. Out-of-bounds read issue via Cortado ThinPrint VMware Workstation and Horizon View Client contain an out-of-bounds read vulnerability in TPView.dll. On Workstation, this issue in conjunction with other bugs may allow a guest to leak information from host or may allow for a Denial of Service on the Windows OS that runs Workstation. In the case of a Horizon View Client, this issue in conjunction with other bugs may allow a View desktop to leak information from host or may allow for 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 Yakun Zhang of McAfee for reporting this issue to us. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the identifier CVE-2017-4948 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 Important 4.7.0 None Client for Windows Workstation 14.x Windows Important 14.1.0 None Workstation 14.x Linux N/A not affected N/A Workstation 12.x Windows Important no patch planned None Workstation 12.x Linux N/A not affected N/A c. Guest access control vulnerability. VMware Workstation and Fusion contain a guest access control vulnerability. This issue may allow program execution via Unity on locked Windows VMs. VMware Tools must updated to 10.2.0 for each VM to resolve CVE-2017-4945. VMware Tools 10.2.0 is consumed by Workstation 14.1.0 and Fusion 10.1.0 by default. VMware would like to thank Tudor Enache of the United Arab Emirates Computer Emergency Response Team (aeCERT) for reporting this issue to us. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the identifier CVE-2017-4945 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 Upgrade Tools* None Workstation 12.x Any Important no patch planned None Fusion 10.x OS X Important Upgrade Tools* None Fusion 8.x OS X Important no patch planned None * VMware Tools must updated to 10.2.0 for each VM to resolve CVE-2017-4945. VMware Tools 10.2.0 is consumed by Workstation 14.1.0 and Fusion 10.1.0 by default. 4. Solution Please review the patch/release notes for your product and version and verify the checksum of your downloaded file. vRealize Operations for Horizon Desktop Agent 6.5.1 Downloads and Documentation: https://my.vmware.com/web/vmware/details?productId=475&downloadGroup =V4H-651-GA vRealize Operations for Published Applications Desktop Agent 6.5.1 Downloads and Documentation: https://my.vmware.com/web/vmware/details?productId=475&downloadGroup =V4PA-651-GA VMware Horizon View Client 4.7.0 Downloads and Documentation: https://my.vmware.com/web/vmware/details?downloadGroup=CART18FQ4_WIN _470&productId=578&rPId=20571 VMware Workstation Pro 14.1.0 Downloads and Documentation: https://www.vmware.com/go/downloadworkstation https://www.vmware.com/support/pubs/ws_pubs.html VMware Workstation Player 14.1.0 Downloads and Documentation: https://www.vmware.com/go/downloadplayer https://www.vmware.com/support/pubs/player_pubs.html VMware Tools 10.2.0 Downloads: https://my.vmware.com/web/vmware/details? downloadGroup=VMTOOLS1020&productId=491 Documentation: https://docs.vmware.com/en/VMware-Tools/10.2/rn/ vmware-tools-1020-release-notes.html 5. References http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-4945 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-4946 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-4948 http://kb.vmware.com/kb/52195 - ------------------------------------------------------------------------ 6. Change log 2018-01-04 VMSA-2018-0003 Initial security advisory in conjunction with the release of VMware Horizon View Client 4.7.0 on 2018-01-04. - ------------------------------------------------------------------------ 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 at 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. -----BEGIN PGP SIGNATURE----- Version: Encryption Desktop 10.4.1 (Build 490) Charset: utf-8 wj8DBQFaTx9yDEcm8Vbi9kMRAuQxAJsEoHi61EF6A0T8IPR/LX4mvgH2iACgwuQg 022yaolSTWh5Wdu/13NOkrE= =qtU5 -----END PGP SIGNATURE-----