[FD] CVE-2017-4918: Code Injection in VMware Horizon’s macOS Client

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: http://ift.tt/2tAz540 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: http://ift.tt/2tAz540 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: http://ift.tt/2bwZ319 Xing: http://ift.tt/2buCzte

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