high
7.1
CWE
284 287
Advisory Published
Updated

CVE-2023-42531

First published: Tue Nov 07 2023(Updated: )

Improper access control vulnerability in SmsController prior to SMR Nov-2023 Release1 allows local attackers to bypass restrictions on starting activities from the background.

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-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-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-jan-2023-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-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-feb-2022-r1
Samsung Android=12.0-smr-feb-2023-r1
Samsung Android=12.0-smr-jan-2022-r1
Samsung Android=12.0-smr-jan-2023-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-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
Samsung Android=13.0
Samsung Android=13.0-smr-apr-2023-r1
Samsung Android=13.0-smr-aug-2023-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-jul-2023-r1
Samsung Android=13.0-smr-jun-2023-r1
Samsung Android=13.0-smr-mar-2023-r1
Samsung Android=13.0-smr-may-2023-r1
Samsung Android=13.0-smr-nov-2022-r1
Samsung Android=13.0-smr-oct-2022-r1
Samsung Android=13.0-smr-oct-2023-r1
Samsung Android=13.0-smr-sep-2023-r1

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2023-42531?

    The CVE-2023-42531 vulnerability has been classified as a moderate severity issue due to improper access control.

  • How do I fix CVE-2023-42531?

    To remediate CVE-2023-42531, update your Samsung device to the latest version that addresses this vulnerability, specifically the SMR Nov-2023 Release1 or later.

  • Who is affected by CVE-2023-42531?

    CVE-2023-42531 affects Samsung devices running specific versions of Android 11.0 and 12.0 prior to the November 2023 security release.

  • Can CVE-2023-42531 be exploited remotely?

    No, CVE-2023-42531 requires local access for an attacker to exploit the vulnerability.

  • What kind of exploitation is possible with CVE-2023-42531?

    Exploitation of CVE-2023-42531 allows local attackers to bypass restrictions and start activities from the background.

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