CVE-2020-25647

State: Published
Severity: Not scored
Published: Mar 3, 2021
Updated: Aug 4, 2024
Reserved: Sep 16, 2020

Description

A flaw was found in grub2 in versions prior to 2.06. During USB device initialization, descriptors are read with very little bounds checking and assumes the USB device is providing sane values. If properly exploited, an attacker could trigger memory corruption leading to arbitrary code execution allowing a bypass of the Secure Boot mechanism. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Scores

The record has no CVSS score.

Weaknesses

CWE-787

Affected Products

Product	Versions
grub2n/a	grub 2.06Affected

References

https://bugzilla.redhat.com/show_bug.cgi?id=1886936
FEDORA-2021-cab258a413vendor-advisory
GLSA-202104-05vendor-advisory
https://security.netapp.com/advisory/ntap-20220325-0001/

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