Information disclosure in OnePlus 7 Pro

1) Information disclosure

EUVDB-ID: #VU26977

Risk: Low

CVSSv4.0: 0.6 [CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-7958

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to an information leak issue. A local administrator in the Rich Execution Environment (REE) can communicate directly with the factory testing APIs exposed by Trusted Applications (TAs) running in the Trusted Execution Environment (TEE) and invoke a sequence of commands to obtain raw fingerprint images in the REE. 

Mitigation

Install updates from vendor's website.

Vulnerable software versions

OnePlus 7 Pro: All versions

CPE2.3

• cpe:2.3:a:oneplus:oneplus_7_pro:*:*:*:*:*:*:*:*

External links

https://www.synopsys.com/blogs/software-security/cve-2020-7958/

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.