#VU76550 Buffer overflow in Samsung Mobile Firmware - CVE-2023-21504

Vulnerability identifier: #VU76550

Vulnerability risk: Low

CVSSv4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2023-21504

CWE-ID: CWE-119

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
Samsung Mobile Firmware

Software vendor:
Samsung

The vulnerability allows an attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in mm_Plmncoordination.c in Shannon baseband. An attacker with physical proximity to device can trigger memory corruption and perform a denial of service (DoS) attack.

Install updates from vendor's website.

• https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=05