PT-2023-27849 · Adguard · Adguard Dns

Published 2023-08-25 · Updated 2024-10-02 · CVE-2023-41173

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions AdGuard DNS versions prior to 2.2

Description The issue allows remote attackers to cause a denial of service via malformed UDP packets. There is no information provided about the estimated number of potentially affected devices worldwide or details about real-world incidents where this issue was exploited.

Recommendations For versions prior to 2.2, update to version 2.2 or later to resolve the issue. As a temporary workaround, consider restricting access to the DNS service to minimize the risk of exploitation.

Fix

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

CVE-2023-41173

Affected Products

Adguard Dns

References · 6

• https://osv.dev/vulnerability/CVE-2023-41173 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-41173 · Security Note
• https://t.me/cvenotify/96847 · Telegram Post
• https://t.me/cvenotify/57273 · Telegram Post
• https://t.me/cibsecurity/69173 · Telegram Post
• https://adguard-dns.io/en/versions.html#2.2 · Note