PT-2023-18189 · Unknown · Wifisevice

Published 2023-02-09 · Updated 2023-02-21 · CVE-2023-21422

Positive Technologies (AI Summary)

CVSS v3.1

5.7

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions WifiSevice versions prior to SMR Jan-2023 Release 1

Description The issue is related to an improper authorization vulnerability in the semAddPublicDnsAddr function within the WifiSevice. This vulnerability allows attackers to set a custom DNS server without permission by binding the WifiService.

Recommendations For versions prior to SMR Jan-2023 Release 1, as a temporary workaround, consider restricting access to the semAddPublicDnsAddr function until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Incorrect Authorization

Improper Authorization

Weakness Enumeration

CWE-863

CWE-285

Related Identifiers

CVE-2023-21422

Affected Products

Wifisevice

References · 4

• https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=01 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-21422 · Security Note
• https://osv.dev/vulnerability/CVE-2023-21422 · Vendor Advisory
• https://t.me/cvenotify/44751 · Telegram Post