CVE-2023-35671 Information

Description

In onHostEmulationData of HostEmulationManager.java there is a possible way for a general purpose NFC reader to read the full card number and expiry details when the device is in locked screen mode due to a logic error in the code. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Reference

https://source.android.com/security/bulletin/2023-09-01 https://android.googlesource.com/platform/packages/apps/Nfc/+/745632835f3d97513a9c2a96e56e1dc06c4e4176

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.5