VMSA-2018-0014

VMware Horizon Client update addresses a privilege escalation vulnerability

VMware Security Advisory
 
VMware Security Advisory Advisory ID:
VMSA-2018-0014
VMware Security Advisory Severity:
 Important
VMware Security Advisory Synopsis:
 VMware Horizon Client update addresses a privilege escalation vulnerability
VMware Security Advisory Issue date:
 2018-05-29
VMware Security Advisory Updated on:
 2018-05-29 (Initial Advisory)
VMware Security Advisory CVE numbers:
 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
Product Version
Running on
Severity
Replace with/ Apply Patch
Mitigation/ Workaround
VMware Product Horizon Client
Product Version 4.x and prior
Running on Linux
Severity Important
Replace with/ Apply Patch 4.8.0
Mitigation/ Workaround 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=CVE-2018-6964

 

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.

 

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

 

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