CVE Vulnerabilities

CVE-2023-21420

Use of Externally-Controlled Format String

Published: Feb 09, 2023 | Modified: Feb 17, 2023
CVSS 3.x
7.8
HIGH
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu

Use of Externally-Controlled Format String vulnerabilities in STST TA prior to SMR Jan-2023 Release 1 allows arbitrary code execution.

Weakness

The product uses a function that accepts a format string as an argument, but the format string originates from an external source.

Affected Software

Name Vendor Start Version End Version
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 11.0 11.0
Android Samsung 11.0 11.0
Android Samsung 11.0 11.0
Android Samsung 11.0 11.0
Android Samsung 11.0 11.0
Android Samsung 11.0 11.0
Android Samsung 11.0 11.0
Android Samsung 11.0 11.0
Android Samsung 11.0 11.0
Android Samsung 11.0 11.0
Android Samsung 11.0 11.0
Android Samsung 11.0 11.0
Android Samsung 11.0 11.0
Android Samsung 11.0 11.0
Android Samsung 11.0 11.0
Android Samsung 11.0 11.0
Android Samsung 11.0 11.0
Android Samsung 11.0 11.0
Android Samsung 11.0 11.0
Android Samsung 11.0 11.0
Android Samsung 11.0 11.0
Android Samsung 11.0 11.0
Android Samsung 11.0 11.0
Android Samsung 11.0 11.0
Android Samsung 11.0 11.0
Android Samsung 11.0 11.0
Android Samsung 11.0 11.0
Android Samsung 11.0 11.0
Android Samsung 11.0 11.0
Android Samsung 11.0 11.0
Android Samsung 11.0 11.0
Android Samsung 11.0 11.0
Android Samsung 11.0 11.0
Android Samsung 11.0 11.0
Android Samsung 11.0 11.0
Android Samsung 11.0 11.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 10.0 10.0
Android Samsung 11.0 11.0

Extended Description

When an attacker can modify an externally-controlled format string, this can lead to buffer overflows, denial of service, or data representation problems. It should be noted that in some circumstances, such as internationalization, the set of format strings is externally controlled by design. If the source of these format strings is trusted (e.g. only contained in library files that are only modifiable by the system administrator), then the external control might not itself pose a vulnerability.

Potential Mitigations

References