#VU76976 Out-of-bounds write in Samsung Mobile Firmware


Published: 2023-06-06

Vulnerability identifier: #VU76976

Vulnerability risk: Low

CVSSv3.1: 5.9 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-21517

CWE-ID: CWE-787

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Samsung Mobile Firmware
Mobile applications / Mobile firmware & hardware

Vendor:

Description

The vulnerability allows an attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in Exynos baseband. A remote attacker with physical proximity to device can trigger an out-of-bounds write and execute arbitrary code on the target device.

Mitigation
Install updates from vendor's website.

Vulnerable software versions


External links
http://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=06


Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability