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Intel® Thunderbolt™ DCH Drivers for Windows* Advisory
| Intel ID: | INTEL-SA-00422 |
|---|---|
| Advisory Category: | Software |
| Impact of vulnerability: | Escalation of Privilege, Information Disclosure |
| Severity rating: | HIGH |
| Original release: | 11/10/2020 |
| Last revised: | 11/10/2020 |
Summary:
Potential security vulnerabilities in some Intel® Thunderbolt™ DCH drivers for Windows* may allow escalation of privilege or information disclosure. Intel is releasing updates to mitigate these potential vulnerabilities.
Vulnerability Details:
CVEID: CVE-2020-12325
Description: Improper buffer restrictions in some Intel(R) Thunderbolt(TM) DCH drivers for Windows* before version 72 may allow an authenticated user to potentially enable escalation of privilege via local access.
CVSS Base Score: 8.4 High
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
CVEID: CVE-2020-12324
Description: Protection mechanism failure in some Intel(R) Thunderbolt(TM) DCH drivers for Windows* before version 72 may allow an authenticated user to potentially enable escalation of privilege via local access.
CVSS Base Score: 7.8 High
CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
CVEID: CVE-2020-12328
Description: Protection mechanism failure in some Intel(R) Thunderbolt(TM) DCH drivers for Windows* before version 72 may allow a privileged user to potentially enable information disclosure via local access.
CVSS Base Score: 6.0 Medium
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
CVEID: CVE-2020-12327
Description: Insecure default variable initialization in some Intel(R) Thunderbolt(TM) DCH drivers for Windows* before version 72 may allow a privileged user to potentially enable information disclosure via local access.
CVSS Base Score: 4.7 Medium
CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:H/A:N
CVEID: CVE-2020-12326
Description: Improper initialization in some Intel(R) Thunderbolt(TM) DCH drivers for Windows* before version 72 may allow an authenticated user to potentially enable information disclosure via local access.
CVSS Base Score: 4.7 Medium
CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
Affected Products:
Intel® Thunderbolt™ 3 and 4 DCH drivers for Windows* before version 72.
Recommendations:
Intel recommends that users of Intel® Thunderbolt™ 3 and 4 DCH drivers for Windows* update to the latest version provided by the system manufacturer that addresses these issues.
Acknowledgements:
These issues were found internally by Intel.
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.
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