CVE-2020-10566

grub2-bhyve, as used in FreeBSD bhyve before revision 525916 2020-02-12, mishandles font loading by a guest through a grub2.cfg file, leading to a buffer overflow.

CVSS v3 7.8 HIGH
CVSS v2.0 4.6 MEDIUM

7.8^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:L/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://svnweb.freebsd.org/ports?view=revision&revision=525916	Vendor Advisory
https://svnweb.freebsd.org/ports?view=revision&revision=525916	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*

History

21 Nov 2024, 04:55

Type	Values Removed	Values Added
References	~~() https://svnweb.freebsd.org/ports?view=revision&revision=525916 - Vendor Advisory~~	() https://svnweb.freebsd.org/ports?view=revision&revision=525916 - Vendor Advisory

Information

Published : 2020-03-14 01:15

Updated : 2024-11-21 04:55

NVD link : CVE-2020-10566

Mitre link : CVE-2020-10566

CVE.ORG link : CVE-2020-10566

JSON object : View

Products Affected

freebsd

freebsd

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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7.8 /10