#VU26977 Information disclosure in OnePlus 7 Pro - CVE-2020-7958

Vulnerability identifier: #VU26977

Vulnerability 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

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
OnePlus 7 Pro
Client/Desktop applications / Multimedia software

Vendor: OnePlus

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: before 10.0.3.GM21BA

---

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.