Buffer overflow in Samsung Mobile Firmware - CVE-2021-25339

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Main Vulnerability Database Vulnerabilities #VU69227

Buffer overflow in Samsung Mobile Firmware - CVE-2021-25339

Published: November 10, 2022


Vulnerability identifier: #VU69227
CSH Severity: Low
CVSSv4.0: 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:U/U:Clear
CVE-ID: CVE-2021-25339
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Samsung Mobile Firmware
Software vendor:
Samsung

Description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a boundary error in HArx. A local application can trigger memory corruption via specially crafted HArx HVC call and execute arbitrary code with kernel privileges.


Remediation

Install updates from vendor's website.

External links