Improper Authentication in Samsung products



Published: 2021-06-11
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-25356
CWE-ID CWE-287
Exploitation vector Local
Public exploit N/A
Vulnerable software
Subscribe 		Samsung P
Client/Desktop applications / Multimedia software

Samsung Q
Client/Desktop applications / Multimedia software

Samsung O
Client/Desktop applications / Multimedia software

Samsung R
Client/Desktop applications / Multimedia software

Vendor Samsung

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper Authentication

EUVDB-ID: #VU54069

Risk: Low

CVSSv3.1: 7.3 [CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-25356

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a local attacker to bypass authentication process.

The vulnerability exists due to improper caller check issue in Managed Provisioning. A local attacker can use a specially crafted application to install arbitrary application, grant device admin permission and then delete several installed application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Samsung P: 9.0

Samsung Q: 10.0

Samsung O: 8.1

Samsung R: 11

External links

http://security.samsungmobile.com/securityUpdate.smsb
http://security.samsungmobile.com/


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.



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