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CVE-2017-4918: Code Injection in VMware Horizon’s macOS Client
From: Florian Bogner <florian () bogner sh>
Date: Mon, 10 Jul 2017 22:30:22 +0200
CVE-2017-4918: Code Injection in VMware Horizon’s macOS Client Metadata =================================================== Release Date: 10-July-2017 Author: Florian Bogner // https://bogner.sh Affected product: VMware Horizon‘s macOS Client Fixed in: Version 4.5 Tested on: OS X El Capitan 10.11.6 CVE: CVE-2017-4918 URL: https://bogner.sh/2017/07/cve-2017-4918-code-injection-in-vmware-horizons-macos-client/ Vulnerability Status: Fixed Product Description =================================================== VMware Horizon 7 is the leading platform for virtual desktops and applications. Provide end users access to all of their virtual desktops, applications, and online services through a single digital workspace. Vulnerability Description =================================================== An issue within a shell script of VMware Horizon's macOS client could be abused to load arbitrary kernel extensions. In detail, this was possible because a user modifiable environment variable was used to build the command line for a highly privileged command. Further technical details can be found on my blog: https://bogner.sh/2017/07/cve-2017-4918-code-injection-in-vmware-horizons-macos-client/ Suggested Solution =================================================== Update to the latest version (fixed in 4.5) Disclosure Timeline =================================================== 21-04-2017: The issues has been documented and reported 24-04-2017: VMware started investigating 06-06-2017: Fix ready 08-06-2017: Updated Horizon version 4.5 alongside security advisory VMSA-2017-0011 released Florian Bogner eMail: florian () bogner sh Web: http://www.bogner.sh LinkedIn: https://www.linkedin.com/profile/view?id=368904276 Xing: https://www.xing.com/profile/Florian_Bogner9
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- CVE-2017-4918: Code Injection in VMware Horizon’s macOS Client Florian Bogner (Jul 11)