CVE-2022-21742

CVSS V2 Low 3.3 CVSS V3 Medium 6.5
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.
Overview
  • CVE ID
  • CVE-2022-21742
  • Assigner
  • twcert@cert.org.tw
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-06-20T06:15:08
  • Last Modified Date
  • 2022-07-05T20:40:10
Weakness Enumerations
CWE URL
CWE-120 http://cwe.mitre.org/data/definitions/120.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:realtek:rtl8156_firmware:*:*:*:*:*:*:*:* 1 OR 7.42 7.53
cpe:2.3:o:realtek:rtl8156_firmware:*:*:*:*:*:*:*:* 1 OR 8.49 8.60
cpe:2.3:o:realtek:rtl8156_firmware:*:*:*:*:*:*:*:* 1 OR 10.28 10.50
cpe:2.3:h:realtek:rtl8156:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:realtek:rtl8156b_firmware:*:*:*:*:*:*:*:* 1 OR 7.42 7.53
cpe:2.3:o:realtek:rtl8156b_firmware:*:*:*:*:*:*:*:* 1 OR 8.49 8.60
cpe:2.3:o:realtek:rtl8156b_firmware:*:*:*:*:*:*:*:* 1 OR 10.28 10.50
cpe:2.3:h:realtek:rtl8156b:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:realtek:rtl8153_firmware:*:*:*:*:*:*:*:* 1 OR 7.42 7.53
cpe:2.3:o:realtek:rtl8153_firmware:*:*:*:*:*:*:*:* 1 OR 8.49 8.60
cpe:2.3:o:realtek:rtl8153_firmware:*:*:*:*:*:*:*:* 1 OR 10.28 10.50
cpe:2.3:h:realtek:rtl8153:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:realtek:rtl8153b_firmware:*:*:*:*:*:*:*:* 1 OR 7.42 7.53
cpe:2.3:o:realtek:rtl8153b_firmware:*:*:*:*:*:*:*:* 1 OR 8.49 8.60
cpe:2.3:o:realtek:rtl8153b_firmware:*:*:*:*:*:*:*:* 1 OR 10.28 10.50
cpe:2.3:h:realtek:rtl8153b:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:realtek:rtl8154_firmware:*:*:*:*:*:*:*:* 1 OR 7.42 7.53
cpe:2.3:o:realtek:rtl8154_firmware:*:*:*:*:*:*:*:* 1 OR 8.49 8.60
cpe:2.3:o:realtek:rtl8154_firmware:*:*:*:*:*:*:*:* 1 OR 10.28 10.50
cpe:2.3:h:realtek:rtl8154:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:realtek:rtl8154b_firmware:*:*:*:*:*:*:*:* 1 OR 7.42 7.53
cpe:2.3:o:realtek:rtl8154b_firmware:*:*:*:*:*:*:*:* 1 OR 8.49 8.60
cpe:2.3:o:realtek:rtl8154b_firmware:*:*:*:*:*:*:*:* 1 OR 10.28 10.50
cpe:2.3:h:realtek:rtl8154b:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:realtek:rtl8152b_firmware:*:*:*:*:*:*:*:* 1 OR 7.42 7.53
cpe:2.3:o:realtek:rtl8152b_firmware:*:*:*:*:*:*:*:* 1 OR 8.49 8.60
cpe:2.3:o:realtek:rtl8152b_firmware:*:*:*:*:*:*:*:* 1 OR 10.28 10.50
cpe:2.3:h:realtek:rtl8152b:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:A/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • ADJACENT_NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 3.3
  • Severity
  • LOW
  • Exploitability Score
  • 6.5
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • ADJACENT_NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 6.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://www.twcert.org.tw/tw/cp-132-6057-1cd0d-1.html
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2022-21742
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-21742
History
Created Old Value New Value Data Type Notes
2022-06-20 07:00:13 Added to TrackCVE