critical
9
CWE
22
Advisory Published
Updated

CVE-2023-21456: Path Traversal

First published: Thu Mar 16 2023(Updated: )

Path traversal vulnerability in Galaxy Themes Service prior to SMR Mar-2023 Release 1 allows attacker to access arbitrary file with system uid.

Credit: mobile.security@samsung.com

Affected SoftwareAffected VersionHow 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-aug-2021-r1
Samsung Android=11.0-smr-aug-2022-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-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-jun-2021-r1
Samsung Android=11.0-smr-jun-2022-r1
Samsung Android=11.0-smr-mar-2021-r1
Samsung Android=11.0-smr-mar-2022-r1
Samsung Android=11.0-smr-may-2021-r1
Samsung Android=11.0-smr-may-2022-r1
Samsung Android=11.0-smr-nov-2021-r1
Samsung Android=11.0-smr-nov-2022-r1
Samsung Android=11.0-smr-oct-2021-r1
Samsung Android=11.0-smr-oct-2022-r1
Samsung Android=11.0-smr-sep-2021-r1
Samsung Android=11.0-smr-sep-2022-r1
Samsung Android=12.0
Samsung Android=12.0-smr-apr-2022-r1
Samsung Android=12.0-smr-aug-2022-r1
Samsung Android=12.0-smr-dec-2021-r1
Samsung Android=12.0-smr-dec-2022-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-jun-2022-r1
Samsung Android=12.0-smr-mar-2022-r1
Samsung Android=12.0-smr-may-2022-r1
Samsung Android=12.0-smr-nov-2021-r1
Samsung Android=12.0-smr-nov-2022-r1
Samsung Android=12.0-smr-oct-2022-r1
Samsung Android=12.0-smr-sep-2022-r1
Samsung Android=13.0-smr-dec-2022-r1
Samsung Android=13.0-smr-feb-2023-r1
Samsung Android=13.0-smr-jan-2023-r1
Samsung Android=13.0-smr-nov-2022-r1
Samsung Android=13.0-smr-oct-2022-r1

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2023-21456?

    CVE-2023-21456 is classified as a high-severity vulnerability due to its potential to allow unauthorized access to arbitrary files.

  • How do I fix CVE-2023-21456?

    To fix CVE-2023-21456, users should update their Samsung devices to the latest software version released after the March 2023 Security Maintenance Release.

  • What versions of Samsung Android are affected by CVE-2023-21456?

    CVE-2023-21456 affects multiple versions of Samsung Android prior to the March 2023 Security Maintenance Release, including 11.0 and 12.0.

  • Can I protect myself from CVE-2023-21456 if I cannot update my Samsung device?

    If you're unable to update your device, limit the installation of untrusted applications and carefully manage file access to mitigate the risks associated with CVE-2023-21456.

  • Is CVE-2023-21456 specific to Samsung devices only?

    Yes, CVE-2023-21456 is specifically a vulnerability within Samsung's Galaxy Themes Service, impacting select Android versions on Samsung devices.

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