Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2022-21742

Severity CVSS v4.0:
Pending analysis
Type:
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Publication date:
20/06/2022
Last modified:
05/07/2022

Description

Realtek USB driver has a buffer overflow vulnerability due to insufficient parameter length verification in the API function. An unauthenticated LAN attacker can exploit this vulnerability to disrupt services.

Impact

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

Base Score: 6.50 MEDIUM
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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

Base Score 3.x
6.50
Severity 3.x
MEDIUM
Vector 2.0
AV:A/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 3.30 LOW
Vector: AV:A/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0
3.30
Severity 2.0
LOW

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:realtek:rtl8156_firmware:*:*:*:*:*:*:*:* 7.42 (including) 7.53 (including)
cpe:2.3:o:realtek:rtl8156_firmware:*:*:*:*:*:*:*:* 8.49 (including) 8.60 (including)
cpe:2.3:o:realtek:rtl8156_firmware:*:*:*:*:*:*:*:* 10.28 (including) 10.50 (excluding)
cpe:2.3:h:realtek:rtl8156:-:*:*:*:*:*:*:*
cpe:2.3:o:realtek:rtl8156b_firmware:*:*:*:*:*:*:*:* 7.42 (including) 7.53 (including)
cpe:2.3:o:realtek:rtl8156b_firmware:*:*:*:*:*:*:*:* 8.49 (including) 8.60 (including)
cpe:2.3:o:realtek:rtl8156b_firmware:*:*:*:*:*:*:*:* 10.28 (including) 10.50 (excluding)
cpe:2.3:h:realtek:rtl8156b:-:*:*:*:*:*:*:*
cpe:2.3:o:realtek:rtl8153_firmware:*:*:*:*:*:*:*:* 7.42 (including) 7.53 (including)
cpe:2.3:o:realtek:rtl8153_firmware:*:*:*:*:*:*:*:* 8.49 (including) 8.60 (including)
cpe:2.3:o:realtek:rtl8153_firmware:*:*:*:*:*:*:*:* 10.28 (including) 10.50 (excluding)
cpe:2.3:h:realtek:rtl8153:-:*:*:*:*:*:*:*
cpe:2.3:o:realtek:rtl8153b_firmware:*:*:*:*:*:*:*:* 7.42 (including) 7.53 (including)
cpe:2.3:o:realtek:rtl8153b_firmware:*:*:*:*:*:*:*:* 8.49 (including) 8.60 (including)
cpe:2.3:o:realtek:rtl8153b_firmware:*:*:*:*:*:*:*:* 10.28 (including) 10.50 (excluding)

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


References to Advisories, Solutions, and Tools