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Security Advisory - The Side Channel Vulnerabilities "MDS" of Chips

  • SA No INSPUR-SA-201906-001
  • Initial Release Date 2019-06-11 10:00:10
  • last Release Date 2020-05-22 17:01:40
  • Source These vulnerabilities were disclosed by intel
  • Potential Security Impact These vulnerabilities may allow an authenticated user to potentially enable information disclosure via a side channel with local access.
Vulnerability Summary

On May 14, 2019, Intel disclosed four new side channel vulnerabilities (CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, and CVE-2019-11091), Intel unified this series of vulnerabilities into Microarchitectural Data Sampling vulnerabilities. The exploitation of these vulnerabilities requires an attacker to embed malicious code in the target device, mainly for local use. In some cases, it may also be remotely exploited through JS code and malicious websites. These attack methods can be effective in both PC and cloud environments. They can cause applications, operating system virtual machines, and trusted execution environments to disclose sensitive information, including passwords, website content, disk encryption keys, and browser history. 
The affected products and corresponding update versions are shown in the table below.

Vulnerability Scoring Details
CVE V3.1 Vector(Base) Base Score V3.1 Vector(Temporal) Temporal Score
CVE-2018-12126 AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N 6.5 E:P/RL:O/RC:C 5.9 
CVE-2018-12127 AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N 6.5 E:P/RL:O/RC:C 5.9
CVE-2018-12130 AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N 6.5 E:P/RL:O/RC:C 5.9
CVE-2019-11091 AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N 3.8 E:P/RL:O/RC:C 3.4

Fixed Product Version
Product BIOS Update Version Release Date
NF5888M5 NF5888M5_BIOS_4.0.0_standard_20190523 6.1
TS860M5 TS860M5_BIOS_4.0.05_standard_20190529 6.13
NF5468M5 NF5468M5_BIOS_4.0.3_Standard_20190604 7.1
NF5180M5 NF5180M5_BIOS_4.1.5_standard_20190521 6.18
NF5280M5 NF5280M5_BIOS_4.1.8_standard_20190521 6.13
NF5270M5 NF5270M5_BIOS_4.1.2_Standard_20190625 7.11
NF5466M5 NF5466M5_BIOS_4.1.8_standard_20190523 7.11
NF8260M5 NF8260M5_BIOS_4.1.8_Standard_20190611 7.16
NS5162M5 NS5162M5_BIOS_4.1.4_standard_20190514 6.19
NF5266M5 NF5266M5_BIOS_3.1.3_Standard_20190605 7.22
SN5161M5 SN5161M5_BIOS_4.0.03_Standard_20190607 7.8
NF8480M5 NF8480M5_BIOS_4.1.05_Standard_20190603 7.1
NS5488M5 i48_BIOS_4.1.06_Standard_20190617 7.22
NS5484M5 i48_BIOS_4.1.06_Standard_20190617 7.22
NS5482M5 i48_BIOS_4.1.06_Standard_20190617 7.22
NX5460M5 NX5460M5_BIOS_4.0.04_Standard_20190531 7.11
NF5288M5 NF5288M5_BIOS_4.1.05_Standard_20190702 8.28
SA5212M4 SA5212M4_BIOS_4.1.19_standard_20190607 7.17
NF5180M4 NF5180M4_BIOS_4.1.25_20190606 9.26
NF5280M4 NF5280M4_BIOS_4.1.26_Standard_20190607 9.14
NF5170M4 NF5170M4_BIOS_4.1.19_standard_20190607 8.28
NF5270M4 NF5270M4_BIOS_4.1.26_Standard_20190606 9.9
NF5460M4 NF5460M4_BIOS_4.1.20_standard_20190606 8.28

Resolution

Inspur 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.

Revision History

20190926-V1.3-Updated the release date
20190614-V1.2-Updated the release date
20190613-V1.1-Updated the fix version
20190611-V1.0-Initial Release

References
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