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Intel® Media Server Studio for Windows* Vulnerability Advisory
A potential security vulnerability in the Intel® Media Server Studio may allow for the escalation of privilege. Intel is releasing Media Server Studio updates and providing the instructions below to mitigate these potential vulnerabilities.
Description: Improper directory permissions in the installer for the Intel(R) Media Server Studio may allow unprivileged users to potentially enable an escalation of privilege via local access.
CVSS Base Score: 6.7 Medium
CVSS Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:H/A:N
Intel® Media Server Studio before 2019 Beta Release.
For users who are able to update their systems, Intel recommends updating to the 2019 Beta Release or later.
Updates are available for download at this location: https://software.intel.com/en-us/blogs/2018/10/05/2019-opencl-sdk-whats-new
Using command line:
Run cmd as Administrator. Hit Start, type "cmd”. Right-click at "Command Prompt” and choose "Run as administrator”
Remove Authenticated Users by executing
cacls "C:\Intel" /E /R "NT AUTHORITY\Authenticated Users"
- Ensure that other groups and users (except SYSTEM and Administrators) have no Full control, Modify and Write permissions, otherwise set Read permissions for USER:
cacls "C:\Intel" /E /G USER:R
- Right-click on the folder C:\Intel in the Explorer
- Select "Security” tab
- Select "Authenticated Users” in "Group or user names:”, click on "Edit” button
- Select "Authenticated Users” again and click on "Remove” button, then "OK” button
- Ensure that other groups and users (except SYSTEM and Administrators) have no Full control, Modify and Write permissions
Intel would like to thank SaifAllah benMassaoud for reporting this issue and working with us on coordinated disclosure.
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