CVE-2020-7958

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Summary

CVECVE-2020-7958
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-04-14 16:15:00 UTC
Updated2021-07-21 11:39:00 UTC
DescriptionAn issue was discovered on OnePlus 7 Pro devices before 10.0.3.GM21BA. The firmware was found to contain functionality that allows a privileged user (root) in the Rich Execution Environment (REE) to obtain bitmap images from the fingerprint sensor because of Leftover Debug Code. The issue is that the Trusted Application (TA) supports an extended number of commands beyond what is needed to implement a fingerprint authentication system compatible with Android. An attacker who is in the position to send commands to the TA (for example, the root user) is able to send a sequence of these commands that will result in the TA sending a raw fingerprint image to the REE. This means that the Trusted Execution Environment (TEE) no longer protects identifiable fingerprint data from the REE.

Risk And Classification

Problem Types: NVD-CWE-noinfo

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Oneplus Oneplus 7 Pro - All All All
Hardware Oneplus Oneplus 7 Pro - All All All
Operating System Oneplus Oneplus 7 Pro Firmware All All All All
Operating System Oneplus Oneplus 7 Pro Firmware All All All All

References

ReferenceSourceLinkTags
CyRC analysis: CVE-2020-7958 in OnePlus 7 Pro phones | Synopsys MISC www.synopsys.com Exploit, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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