Vulnerabilities
Misconfiguration
Runtime Security
Compliance
CVE Vulnerabilities

CVE-2020-0215

Incorrect Default Permissions

Published: Jun 11, 2020 | Modified: Mar 03, 2023
CVSS 3.x
7.8
HIGH
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.x
4.4 MEDIUM
AV:L/AC:M/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
Ubuntu
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2020-0215
CWEhttps://cwe.mitre.org/data/definitions/276.html

In onCreate of ConfirmConnectActivity.java, there is a possible leak of Bluetooth information due to a permissions bypass. This could lead to local escalation of privilege that exposes a pairing Bluetooth MAC address with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android Versions: Android-9 Android-10 Android-11 Android-8.0 Android-8.1 Android ID: A-140417248

Weakness

During installation, installed file permissions are set to allow anyone to modify those files.

Affected Software

Name Vendor Start Version End Version
Android Google 8.0 (including) 8.0 (including)
Android Google 8.1 (including) 8.1 (including)
Android Google 9.0 (including) 9.0 (including)
Android Google 10.0 (including) 10.0 (including)
Android Google 11.0 (including) 11.0 (including)

Potential Mitigations

  • Compartmentalize the system to have “safe” areas where trust boundaries can be unambiguously drawn. Do not allow sensitive data to go outside of the trust boundary and always be careful when interfacing with a compartment outside of the safe area.
  • Ensure that appropriate compartmentalization is built into the system design, and the compartmentalization allows for and reinforces privilege separation functionality. Architects and designers should rely on the principle of least privilege to decide the appropriate time to use privileges and the time to drop privileges.

References

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