Security features bypass in Samsung Mobile Firmware - CVE-2021-25371
Published: November 10, 2022 / Updated: June 29, 2023
Vulnerability identifier: #VU69233
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Clear
CVE-ID: CVE-2021-25371
CWE-ID: CWE-254
Exploitation vector: Local access
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: Samsung
Affected software:
Samsung Mobile Firmware
Samsung Mobile Firmware
Detailed vulnerability description
The vulnerability allows a local application to bypass implemented security restrictions.
The vulnerability exists due to arbitrary ELF libraries can be loaded inside the DSP driver. A local application installed on the device can load a malicious code inside the DSP driver to hide its presence.
How to mitigate CVE-2021-25371
Install updates from vendor's website.