[Security-announce] New VMSA-2018-0014 – VMware Horizon Client update addresses a privilege escalation vulnerability

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VMware Security Advisory

Advisory ID: VMSA-2018-0014
Severity: Important
Synopsis: VMware Horizon Client update addresses a privilege
escalation vulnerability
Issue date: 2018-05-29
Updated on: 2018-05-29 (Initial Advisory)
CVE number: CVE-2018-6964

1. Summary

VMware Horizon Client update addresses a privilege escalation
vulnerability

2. Relevant Products

VMware Horizon Client for Linux (Horizon Client)

3. Problem Description

VMware Horizon Client privilege escalation vulnerability

VMware Horizon Client contains a local privilege escalation
vulnerability due to insecure usage of SUID binary. Successful
exploitation of this issue may allow unprivileged users to escalate
their privileges to root on a Linux machine where Horizon Client is
installed.

VMware would like to thank Nassim Abbaoui, pentester at OVH, for
reporting this issue to us.

The Common Vulnerabilities and Exposures project (cve.mitre.org) has
assigned the identifier CVE-2018-6964 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/ Mitigations/
Product Version on Severity Apply patch Workarounds
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =3D=
=3D=3D=3D=3D=3D=3D =3D=3D=3D=3D=3D=3D=3D=3D =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
Horizon Client 4.x & prior Linux Important 4.8.0 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 for Linux 4.8.0
Downloads and Documentation:
https://my.vmware.com/en/web/vmware/info/slug/desktop_end_user
_computing/vmware_horizon_clients/4_0

5. References

https://cve.mitre.org/cgi-bin/cvename.cgi?name=3DCVE-2018-6964

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6. Change log

2018-05-29 VMSA-2018-0014 Initial security advisory in conjunction
with the release of VMware Horizon Client 4.8.0 on 2018-05-29.

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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

Consolidated list of VMware Security Advisories
http://kb.vmware.com/kb/2078735

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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Copyright 2018 VMware Inc. All rights reserved.

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