#VU75668 Improper access control in Samsung Core Service - CVE-2023-21505

Vulnerability identifier: #VU75668

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-21505

CWE-ID: CWE-284

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Samsung Core Service
Mobile applications / Apps for mobile phones

Vendor: Samsung

Description

The vulnerability allows a malicious application to bypass implemented security restrictions.

The vulnerability exists due to improper access restrictions. A malicious application can write arbitrary file in sandbox.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Samsung Core Service: before 2.1.00.36

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

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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.