The latest security information on Intel® products.

Intel® Active Management Technology 9.x/10.x/11.x/12.x Security Review Cumulative Update Advisory

Intel ID: INTEL-SA-00141
Advisory Category: Firmware
Impact of vulnerability: Denial of Service, Information Disclosure
Severity rating: HIGH
Original release: 09/11/2018
Last revised: 09/11/2018

Summary:

Multiple potential security vulnerabilities in Intel® Active Management Technology (AMT) in Intel® CSME firmware may allow arbitrary code execution, a partial denial of service or information disclosure. Intel is releasing Intel® CSME firmware updates to mitigate these potential vulnerabilities.

Vulnerability Details

CVEID: CVE-2018-3657

Description: Multiple buffer overflows in Intel® AMT in Intel® CSME firmware versions before version 12.0.5 may allow a privileged user to potentially execute arbitrary code with Intel® AMT execution privilege via local access.

CVSS Base Score: 6.7 Medium

CVSS Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

 

CVEID: CVE-2018-3658

Description: Multiple memory leaks in Intel® AMT in Intel® CSME firmware versions before 12.0.5 may allow an unauthenticated user with Intel® AMT provisioned to potentially cause a partial denial of service via network access.

CVSS Base Score: 5.3 Medium

CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

 

CVEID: CVE-2018-3616

Description: Bleichenbacher-style side channel vulnerability in TLS implementation in Intel® Active Management Technology before 12.0.5 may allow an unauthenticated user to potentially obtain the TLS session key via the network.

CVSS Base Score: 7.4 High

CVSS Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected Products:

Intel® Management Engine (ME):

Updated ME Firmware version

Replaces ME Firmware version

Intel® CSME 11.8.55

11.0.x, 11.5.x, 11.6.x, 11.7.x, 11.8.x

Intel® CSME 11.11.55

11.10.x, 11.11.x

Intel® CSME 11.21.55

11.20.x, 11.21.x

Intel® ME 10.0.60

10.0.x

Intel® ME 9.5.65*

9.5.x

Intel® ME 9.1.45*

9.0.x, 9.1.x

Intel® CSME 12.0.6

12.0.3

*resolves CVE-2018-3616 only.

Recommendations:

Intel recommends that users of Intel® CSME update to the latest version provided by the system manufacturer that addresses these issues.

Acknowledgements:

Intel would like to thank Hanno Böck, Juraj Somorovsky (Hackmanit GmbH, RuhrUniversität Bochum) and Craig Young (Tripwire VERT) for reporting CVE-2018-3616 and working with us on coordinated disclosure.

CVE-2018-3657 and CVE-2018-3658 were found internally by Intel.

Revision History

Revision Date Description
1.0 09/11/2018 Initial Release

Legal Notices and Disclaimers

Intel provides these materials as-is, with no express or implied warranties.

All products, dates, and figures specified are preliminary based on current expectations, and are subject to change without notice.

Intel, processors, chipsets, and desktop boards may contain design defects or errors known as errata, which may cause the product to deviate from published specifications. Current characterized errata are available on request.

Intel technologies’ features and benefits depend on system configuration and may require enabled hardware, software or service activation. Performance varies depending on system configuration. No computer system can be absolutely secure. Check with your system manufacturer or retailer or learn more at https://intel.com.

Some results have been estimated or simulated using internal Intel analysis or architecture simulation or modeling, and provided to you for informational purposes. Any differences in your system hardware, software or configuration may affect your actual performance.

Intel and the Intel logo are trademarks of Intel Corporation in the United States and other countries.

*Other names and brands may be claimed as the property of others.
Copyright © Intel Corporation 2018

Report a Vulnerability

If you have information about a security issue or vulnerability with an Intel branded product or technology, please send an e-mail to secure@intel.com. Encrypt sensitive information using our PGP public key.

Please provide as much information as possible, including:

  • The products and versions affected
  • Detailed description of the vulnerability
  • Information on known exploits

A member of the Intel Product Security Team will review your e-mail and contact you to collaborate on resolving the issue. For more information on how Intel works to resolve security issues, see:

For issues related to Intel's external web presence (Intel.com and related subdomains), please contact Intel's External Security Research team.

For issues related to Intel managed open source projects, please visit http://www.01.org/security

Need product support?

The secure@intel.com e-mail address should only be used for reporting security issues.

If you...

  • Have questions about the security features of an Intel product
  • Require technical support
  • Want product updates or patches


Please visit Support & Downloads.