Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2023-20555

Severity CVSS v4.0:
Pending analysis
Type:
CWE-787 Out-of-bounds Write
Publication date:
08/08/2023
Last modified:
21/08/2023

Description

Insufficient input validation in<br /> CpmDisplayFeatureSmm may allow an attacker to corrupt SMM memory by overwriting<br /> an arbitrary bit in an attacker-controlled pointer potentially leading to<br /> arbitrary code execution in SMM.<br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
7.80
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:amd:ryzen_3_3300_firmware:*:*:*:*:*:*:*:* comboam4_pi_v1_1.0.0.a (excluding)
cpe:2.3:h:amd:ryzen_3_3300:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3300x_firmware:*:*:*:*:*:*:*:* comboam4_pi_v1_1.0.0.a (excluding)
cpe:2.3:h:amd:ryzen_3_3300x:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5_3600_firmware:*:*:*:*:*:*:*:* comboam4_pi_v1_1.0.0.a (excluding)
cpe:2.3:h:amd:ryzen_5_3600:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5_3600x_firmware:*:*:*:*:*:*:*:* comboam4_pi_v1_1.0.0.a (excluding)
cpe:2.3:h:amd:ryzen_5_3600x:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_7_3700_firmware:*:*:*:*:*:*:*:* comboam4_pi_v1_1.0.0.a (excluding)
cpe:2.3:h:amd:ryzen_7_3700:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_7_3700x_firmware:*:*:*:*:*:*:*:* comboam4_pi_v1_1.0.0.a (excluding)
cpe:2.3:h:amd:ryzen_7_3700x:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_9_3800x_firmware:*:*:*:*:*:*:*:* comboam4_pi_v1_1.0.0.a (excluding)
cpe:2.3:h:amd:ryzen_9_3800x:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_9_3850x_firmware:*:*:*:*:*:*:*:* comboam4_pi_v1_1.0.0.a (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools