PT-2021-7257 · Realtek · Realtek Usb Driver

Realtek · Published 2021-11-19 · Updated 2022-07-05 · CVE-2022-21742

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Realtek USB driver (affected versions not specified)

Description The issue is related to a buffer overflow vulnerability in the Realtek USB driver due to insufficient parameter length verification in the API function. This can be exploited by an unauthenticated LAN attacker to disrupt services.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

BDU:2022-04306

CVE-2022-21742

Affected Products

Realtek Usb Driver

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2022-21742 · Security Note
• https://bdu.fstec.ru/vul/2022-04306 · Security Note
• https://osv.dev/vulnerability/CVE-2022-21742 · Vendor Advisory
• https://t.me/cibsecurity/44817 · Telegram Post
• https://vuldb.com/?id.202390 · Note
• https://twcert.org.tw/tw/cp-132-6057-1cd0d-1.html · Note