On November 10th, Intel reported potential security vulnerabilities in some Intel Processors that may allow an authenticated user to potentially enable information disclosure or escalation of privilege with local access or physical access.
INTEL-SA-00381：Potential security vulnerabilities in some Intel Processors may allow information disclosure. Intel is releasing firmware updates to mitigate these potential vulnerabilities.
INTEL-SA-00358：Potential security vulnerabilities in the BIOS firmware for some Intel Processors may allow escalation of privilege or denial of service. Intel is releasing firmware updates to mitigate this potential vulnerability.
INTEL-SA-00389：Potential security vulnerabilities in the Intel Running Average Power Limit (RAPL) Interface may allow information disclosure. Intel is releasing microcode and Linux driver updates to mitigate these potential vulnerabilities.
INTEL-SA-00391：Potential security vulnerabilities in Intel Converged Security and Manageability Engine (CSME), Server Platform Services (SPS), Intel Trusted Execution Engine (TXE), Intel Dynamic Application Loader (DAL), Intel Active Management Technology (AMT), Intel Standard Manageability (ISM) and Intel Dynamic Application Loader (Intel DAL) may allow escalation of privilege, denial of service or information disclosure. Intel is releasing firmware and software updates to mitigate these potential vulnerabilities.
KAYTUS started the relevant investigation work in the first time. KAYTUS PSIRT will update the security notice at any time. Please keep an eye on the security bulletin for this incident.
| CVE | V3.1 Vector(Base) | Base Score | V3.1 Vector(Temporal Score) | Temporal Score |
| CVE-2020-8696 | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N | 5.5 | E:P/RL:O/RC:C | 5.0 |
| CVE-2020-0587 | AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H | 6.7 | E:P/RL:O/RC:C | 6.0 |
| CVE-2020-0588 | AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H | 6.7 | E:P/RL:O/RC:C | 6.0 |
| CVE-2020-0590 | AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H | 7.8 | E:P/RL:O/RC:C | 7.0 |
| CVE-2020-0591 | AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H | 6.7 | E:P/RL:O/RC:C | 6.0 |
| CVE-2020-0592 | AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H | 6.7 | E:P/RL:O/RC:C | 6.0 |
| CVE-2020-0593 | AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H | 6.7 | E:P/RL:O/RC:C | 6.0 |
| CVE-2020-8694 | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N | 5.5 | E:P/RL:O/RC:C | 5.0 |
| CVE-2020-8695 | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N | 5.5 | E:P/RL:O/RC:C | 5.0 |
| CVE-2020-8705 | AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | 6.8 | E:P/RL:O/RC:C | 6.1 |
| CVE-2020-8755 | AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H | 6.4 | E:P/RL:O/RC:C | 5.8 |
| Product | BIOS Update version |
| NF5180M5 | NF5180M5_BIOS_4.1.14_Standard_20201210 |
| NF5270M5 | NF5270M5_BIOS_4.1.7_Standard_20201211 |
| NP5570M5 | NP5570M5_BIOS_4.1.7_Standard_20201211 |
| NF5266M5 | NF5266M5_BIOS_4.1.1_Standard_20201215 |
| NF5466M5 | NF5466M5_BIOS_4.1.17_Standard_20201124 |
| NF8480M5 | NF8480M5_BIOS_4.1.19_Standard_20201225 |
| NS5162M5 | NS5162M5_BIOS_4.1.12_Standard_20201215 |
| SN5161M5 | SN5161M5_BIOS_4.1.08_Standard_20201229 |
| NF5280M5 | NF5280M5_BIOS_4.1.18_Standard_2021012 |
| NF8260M5 | NF8260M5_BIOS_4.1.15_Standard_20201214 |
| TS860M5 | TS860M5_BIOS_4.1.17_Standard_20201230 |
| NS5488M5 NS5484M5 NS5482M5 |
Sentosa_BIOS_4.1.13_standard_20201229 |
| OB5162M5 | OB5162M5_BIOS_3.1.4_Linkedin_20201219 |
| OB5161M5 | OB5161M5_BIOS_3.1.1_Linkedin_20201224 |
| NX5460M5 | NX5460M5_BIOS_4.1.08_Standard_20210103 |
| NF5568M5 | NF5568M5_BIOS_4.1.1_Standard_20201212 |
| NF5488M5 | NF5488M5_BIOS_4.1.6_Standard_20201219 |
KAYTUS provides method to update CPU Microcode of its various products as mentioned in the table above.Download your product’s corresponding BIOS image and perform the BIOS upgrade.
Please visit the Support Center site for updates on the applicable products.
2021-02-03 V1.0 INITIAL
2020-03-02-V1.1-Updated The Fix Products
intel-sa-00381:https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00381.html
intel-sa-00358:https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00358.html
intel-sa-00389:https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00389.html
intel-sa-00391:https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00391.html
For issues about implementing the recommendations of this Security Bulletin, contact normal KAYTUS Services Support channel. For other issues about the content of this Security Bulletin, send e-mail to sec@kaytus.com.
To report a potential security vulnerability for KAYTUS product: Reporting a Security Vulnerability
KAYTUS shall not be liable for technical or editorial errors or omissions contained herein. The information provided is provided "as is" without warranty of any kind. To the extent permitted by law, KAYTUS disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose, title and non-infringement. In no event shall KAYTUS or any of its directly or indirectly controlled subsidiaries or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages. Your use of the document, by whatsoever means, will be totally at your own risk. KAYTUS is entitled to amend or update this document from time to time.