Intel High Definition Audio drivers: Increased Privileges -- Existing Account

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2020.3986
               Intel High Definition Audio Drivers Advisory
                             11 November 2020

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        AusCERT Security Bulletin Summary
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Product:           Intel High Definition Audio drivers
Publisher:         Intel
Operating System:  Windows
Impact/Access:     Increased Privileges -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-12307  

Original Bulletin: 
   https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00409.html

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Intel ID:                 INTEL-SA-00409
Advisory Category:        Software
Impact of vulnerability : Escalation of Privilege
Severity rating :         MEDIUM
Original release:         11/10/2020
Last revised:             11/10/2020

Summary:

A potential security vulnerability in some Intel High Definition Audio drivers
may allow escalation of privilege. Intel is releasing software updates to
mitigate this potential vulnerability.

Vulnerability Details

CVEID: CVE-2020-12307

Description: Improper permissions in some Intel(R) High Definition Audio
drivers before version 9.21.00.4561 may allow an authenticated user to
potentially enable escalation of privilege via local access.

CVSS Base Score: 6.7 Medium

CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

Affected Products:

Intel High Definition Audio drivers before version 9.21.00.4561.

Recommendations:

Intel recommends that users of Intel High Definition Audio driver update to the
latest version provided by the system manufacturer that addresses these issues.

Acknowledgements:

Intel would like to thankShay Rozen from TRIOX Security for reporting this
issue and working with us on coordinated disclosure.

Intel, and nearly the entire technology industry, follows a disclosure practice
called Coordinated Disclosure, under which a cybersecurity vulnerability is
generally publicly disclosed only after mitigations are available.

Revision History

Revision    Date      Description
1.0      11/10/2020 Initial Release

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