Dell Inspiron 5675 contains remediation for a UEFI BIOS RuntimeServices Overwrite vulnerability that could be exploited by malicious users to compromise the affected system.
Summary:Dell Inspiron 5675 contains remediation for a UEFI BIOS RuntimeServices Overwrite vulnerability that could be exploited by malicious users to compromise the affected system.
Article Content
Impact
Medium
Details
Proprietary Code CVE(s)
Description
CVSS Base Score
CVSS Vector String
CVE-2020-26186
Dell Inspiron 5675 BIOS versions prior to 1.4.1 contain a UEFI BIOS RuntimeServices overwrite vulnerability. A local attacker with access to system memory may exploit this vulnerability by overwriting the RuntimeServices structure to execute arbitrary code in System Management Mode (SMM).
6.8
CVSS:3.1:AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Proprietary Code CVE(s)
Description
CVSS Base Score
CVSS Vector String
CVE-2020-26186
Dell Inspiron 5675 BIOS versions prior to 1.4.1 contain a UEFI BIOS RuntimeServices overwrite vulnerability. A local attacker with access to system memory may exploit this vulnerability by overwriting the RuntimeServices structure to execute arbitrary code in System Management Mode (SMM).
6.8
CVSS:3.1:AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Dell Technologies recommends all customers consider both the CVSS base score and any relevant temporal and environmental scores that may impact the potential severity associated with a particular security vulnerability.
Affected Products and Remediation
Customers should use the latest releases available from Dell support when updating their systems.
Please visit the Drivers and Downloads site for updates on the applicable products. To learn more, visit the Dell Knowledge Base article Dell BIOS Updates, and download the update for your Dell computer.
Notes:
Prior to installing the update, please ensure Windows Updates are up to date.
The dates listed are estimated availability dates and are subject to change without notice.
Update versions in the table below are the first releases with the updates to address the security vulnerability. Releases at and above these versions will include the security updates.
Release dates below are in US format of MM/DD/YYYY.
Expected release dates are in the Month YYYY format.
Dell Client Consumer Products Affected
The following is a list of impacted products and expected release dates:
Product
Update BIOS Version (or greater)
Release Date (MM/DD/YYYY) Expected Release (Month/YYYY)
Dell Inspiron 5675
1.4.1
11/18/2020
Customers should use the latest releases available from Dell support when updating their systems.
Please visit the Drivers and Downloads site for updates on the applicable products. To learn more, visit the Dell Knowledge Base article Dell BIOS Updates, and download the update for your Dell computer.
Notes:
Prior to installing the update, please ensure Windows Updates are up to date.
The dates listed are estimated availability dates and are subject to change without notice.
Update versions in the table below are the first releases with the updates to address the security vulnerability. Releases at and above these versions will include the security updates.
Release dates below are in US format of MM/DD/YYYY.
Expected release dates are in the Month YYYY format.
Dell Client Consumer Products Affected
The following is a list of impacted products and expected release dates:
Product
Update BIOS Version (or greater)
Release Date (MM/DD/YYYY) Expected Release (Month/YYYY)
Dell Inspiron 5675
1.4.1
11/18/2020
Workarounds and Mitigations
None
Acknowledgements
Dell would like to thank yngweijw for reporting this vulnerability.