Vulnerability identifier: #VU69664

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-36622

CWE-ID: CWE-476

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
mTower
Mobile applications / Apps for mobile phones

Vendor: Samsung

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the TEE_GetObjectInfo1 function. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

mTower: 0.1.0 - 0.3.0

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External links
http://github.com/Samsung/mTower/blob/18f4b592a8a973ce5972f4e2658ea0f6e3686284/tee/tee/tee_svc.c#L965
http://github.com/Samsung/mTower
http://github.com/Samsung/mTower/blob/18f4b592a8a973ce5972f4e2658ea0f6e3686284/tee/lib/libutee/tee_api_objects.c#L84
http://security.samsungmobile.com/securityUpdate.smsb
http://github.com/Samsung/mTower/releases/tag/v0.4.1

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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