CVE-2020-5378: Use After Free
First published: Wed Sep 02 2020(Updated: )
Dell G7 17 7790 BIOS versions prior to 1.13.2 contain a UEFI BIOS Boot Services overwrite vulnerability. A local attacker with access to system memory may exploit this vulnerability by overwriting the EFI_BOOT_SERVICES structure to execute arbitrary code in System Management Mode (SMM).
Credit: security_alert@emc.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Dell G7 17 7790 BIOS | <1.13.2 | |
| Dell G7 17 7790 |
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Reference Links
Frequently Asked Questions
What is CVE-2020-5378 vulnerability?
CVE-2020-5378 is a UEFI BIOS Boot Services overwrite vulnerability in Dell G7 17 7790 BIOS versions prior to 1.13.2.
How can this vulnerability be exploited?
A local attacker with access to system memory can exploit this vulnerability by overwriting the EFI_BOOT_SERVICES structure to execute arbitrary code in System Management Mode (SMM).
What is the severity of CVE-2020-5378?
The severity of CVE-2020-5378 vulnerability is high with a CVSS score of 6.8.
Which software versions are affected by CVE-2020-5378?
Dell G7 17 7790 BIOS versions prior to 1.13.2 are affected by CVE-2020-5378.
How can I fix CVE-2020-5378 vulnerability?
To fix CVE-2020-5378 vulnerability, update your Dell G7 17 7790 BIOS to version 1.13.2 or later.
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