The latest security information on Intel® products.
Intel® Processors Data Leakage Advisory
| Intel ID: | INTEL-SA-00329 |
|---|---|
| Advisory Category: | Hardware |
| Impact of vulnerability: | Information Disclosure |
| Severity rating: | MEDIUM |
| Original release: | 01/27/2020 |
| Last revised: | 05/11/2021 |
Summary:
Potential security vulnerabilities in some Intel® Processors may allow information disclosure. Intel is releasing firmware updates to mitigate these potential vulnerabilities.
Vulnerability Details:
CVEID: CVE-2020-0548
Description: Cleanup errors in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
CVSS Base Score: 2.8 Low
CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N
CVEID: CVE-2020-0549
Description: Cleanup errors in some data cache evictions for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
CVSS Base Score: 6.5 Medium
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Affected Products:
A list of impacted products can be found here.
Recommendations:
Intel recommends that users of affected Intel® Processors update to the latest version firmware provided by the system manufacturer that addresses these issues.
Intel has released microcode updates for the affected Intel® Processors that are currently supported on the public github repository. Please see details below on access to the microcode:
GitHub*: Public Github: https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files
Additional technical details about these vulnerabilities can be found at:
https://software.intel.com/security-software-guidance/software-guidance/l1d-eviction-sampling
https://software.intel.com/security-software-guidance/software-guidance/vector-register-sampling
Additional Advisory Guidance on CVE-2020-0548, CVE 2020-0549 available here.
Acknowledgements:
Intel would like to thank the following individuals for finding, reporting and coordinating these vulnerabilities to us.
Intel thanks TU Graz and KU Leuven for disclosure of CVE-2020-0549.
Graz University of Technology: Moritz Lipp, Michael Schwarz, Daniel Gruss.
KU Leuven: Jo Van Bulck.
Intel thanks VU Amsterdam, for disclosure of CVE-2020-0548 and CVE-2020-0549. VUSec group at VU Amsterdam: Stephan van Schaik, Alyssa Milburn, Sebastian Österlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, Cristiano Giuffrida.
Researchers from TU Graz and Ku Leuven provided Intel with a Proof of Concept (POC) in May 2019 and researchers from VU Amsterdam provided Proof of Concept (POC) in October 2019. Intel subsequently confirmed each submission demonstrates CVE-2020-0549 individually.
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