Information disclosure in Samsung FactoryCameraFB

1) Improper access control

EUVDB-ID: #VU68319

Risk: Low

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

CVE-ID: CVE-2022-39857

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a local user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in CameraTestActivity. A local user can access broadcasting Intent as system uid privilege.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FactoryCameraFB: before 3.5.51

CPE2.3

• cpe:2.3:a:samsung:factorycamerafb:*:*:*:*:*:*:*:*

External links

https://security.samsungmobile.com/serviceWeb.smsb?year=2022&month=10

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.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to perform certain actions on the device.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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