First published: Thu Feb 09 2023(Updated: )
Improper authorization vulnerability in semAddPublicDnsAddr in WifiSevice prior to SMR Jan-2023 Release 1 allows attackers to set custom DNS server without permission via binding WifiService.
Credit: mobile.security@samsung.com
Affected Software | Affected Version | How to fix |
---|---|---|
Samsung Android | =11.0 | |
Samsung Android | =11.0-smr-apr-2021-r1 | |
Samsung Android | =11.0-smr-apr-2022-r1 | |
Samsung Android | =11.0-smr-apr-2023-r1 | |
Samsung Android | =11.0-smr-aug-2021-r1 | |
Samsung Android | =11.0-smr-aug-2022-r1 | |
Samsung Android | =11.0-smr-aug-2023-r1 | |
Samsung Android | =11.0-smr-dec-2020-r1 | |
Samsung Android | =11.0-smr-dec-2021-r1 | |
Samsung Android | =11.0-smr-dec-2022-r1 | |
Samsung Android | =11.0-smr-dec-2023-r1 | |
Samsung Android | =11.0-smr-feb-2021-r1 | |
Samsung Android | =11.0-smr-feb-2022-r1 | |
Samsung Android | =11.0-smr-feb-2023-r1 | |
Samsung Android | =11.0-smr-jan-2021-r1 | |
Samsung Android | =11.0-smr-jan-2022-r1 | |
Samsung Android | =11.0-smr-jul-2021-r1 | |
Samsung Android | =11.0-smr-jul-2022-r1 | |
Samsung Android | =11.0-smr-jul-2023-r1 | |
Samsung Android | =11.0-smr-jun-2021-r1 | |
Samsung Android | =11.0-smr-jun-2022-r1 | |
Samsung Android | =11.0-smr-jun-2023-r1 | |
Samsung Android | =11.0-smr-mar-2021-r1 | |
Samsung Android | =11.0-smr-mar-2022-r1 | |
Samsung Android | =11.0-smr-mar-2023-r1 | |
Samsung Android | =11.0-smr-may-2021-r1 | |
Samsung Android | =11.0-smr-may-2022-r1 | |
Samsung Android | =11.0-smr-may-2023-r1 | |
Samsung Android | =11.0-smr-nov-2021-r1 | |
Samsung Android | =11.0-smr-nov-2022-r1 | |
Samsung Android | =11.0-smr-nov-2023-r1 | |
Samsung Android | =11.0-smr-oct-2021-r1 | |
Samsung Android | =11.0-smr-oct-2022-r1 | |
Samsung Android | =11.0-smr-oct-2023-r1 | |
Samsung Android | =11.0-smr-sep-2021-r1 | |
Samsung Android | =11.0-smr-sep-2022-r1 | |
Samsung Android | =11.0-smr-sep-2023-r1 | |
Samsung Android | =12.0 | |
Samsung Android | =12.0-smr-apr-2022-r1 | |
Samsung Android | =12.0-smr-apr-2023-r1 | |
Samsung Android | =12.0-smr-aug-2022-r1 | |
Samsung Android | =12.0-smr-aug-2023-r1 | |
Samsung Android | =12.0-smr-dec-2021-r1 | |
Samsung Android | =12.0-smr-dec-2022-r1 | |
Samsung Android | =12.0-smr-dec-2023-r1 | |
Samsung Android | =12.0-smr-feb-2022-r1 | |
Samsung Android | =12.0-smr-feb-2023-r1 | |
Samsung Android | =12.0-smr-jan-2022-r1 | |
Samsung Android | =12.0-smr-jul-2022-r1 | |
Samsung Android | =12.0-smr-jul-2023-r1 | |
Samsung Android | =12.0-smr-jun-2022-r1 | |
Samsung Android | =12.0-smr-jun-2023-r1 | |
Samsung Android | =12.0-smr-mar-2022-r1 | |
Samsung Android | =12.0-smr-mar-2023-r1 | |
Samsung Android | =12.0-smr-may-2022-r1 | |
Samsung Android | =12.0-smr-may-2023-r1 | |
Samsung Android | =12.0-smr-nov-2021-r1 | |
Samsung Android | =12.0-smr-nov-2022-r1 | |
Samsung Android | =12.0-smr-nov-2023-r1 | |
Samsung Android | =12.0-smr-oct-2022-r1 | |
Samsung Android | =12.0-smr-oct-2023-r1 | |
Samsung Android | =12.0-smr-sep-2022-r1 | |
Samsung Android | =12.0-smr-sep-2023-r1 |
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CVE-2023-21422 is considered a high severity vulnerability due to its potential to allow unauthorized changes to DNS settings.
To fix CVE-2023-21422, update your Samsung Android device to the latest security patch released after January 2023.
CVE-2023-21422 affects Samsung Android versions 11.0 and 12.0 prior to the January 2023 security patch.
Yes, CVE-2023-21422 can be exploited remotely due to improper authorization in the WifiService.
CVE-2023-21422 allows attackers to set custom DNS servers without permission, potentially redirecting user traffic.