#VU76540 Format string error in Samsung Mobile Firmware


Published: 2023-05-26

Vulnerability identifier: #VU76540

Vulnerability risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-21497

CWE-ID: CWE-134

Exploitation vector: Local

Exploit availability: No

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

Vendor:

Description

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

The vulnerability exists due to a format string error in mPOS TUI trustlet. A local application can supply a specially crafted input that contains format string specifiers and execute arbitrary code on the target system.


Mitigation
Install updates from vendor's website.

Vulnerable software versions


External links
http://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=05


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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


Latest bulletins with this vulnerability