PT-2020-12208 · Gnu · Grub2-Bhyve

Reno Robert · Published 2020-03-14 · Updated 2020-03-19 · CVE-2020-10566

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions grub2-bhyve versions prior to revision 525916 2020-02-12

Description The issue is related to the mishandling of font loading by a guest through a grub2.cfg file, leading to a buffer overflow.

Recommendations For versions prior to revision 525916 2020-02-12, update to a version after revision 525916 2020-02-12 to resolve the issue.

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2020-10566

Affected Products

Grub2-Bhyve

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2020-10566 · Security Note
• https://osv.dev/vulnerability/CVE-2020-10566 · Vendor Advisory
• https://svnweb.freebsd.org/ports?view=revision&revision=525916 · Vendor Advisory
• https://t.me/cvenotify/1687 · Telegram Post