CVE-2021-0319 — HIGH (7.3) — White Hats Nepal

Vulnerability Description

In checkCallerIsSystemOr of CompanionDeviceManagerService.java, there is a possible way to get a nearby Bluetooth device's MAC address without appropriate permissions due to a permissions bypass. This could lead to local escalation of privilege that grants access to nearby MAC addresses, with User execution privileges needed. User interaction is needed for exploitation. Product: Android; Versions: Android-8.0, Android-8.1, Android-9, Android-10, Android-11; Android ID: A-167244818.

CVSS Score

7.3

HIGH

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Google	Android	8.0

Related Weaknesses (CWE)

CWE-863

References

https://source.android.com/security/bulletin/2021-01-01PatchVendor Advisory
https://source.android.com/security/bulletin/2021-01-01PatchVendor Advisory

FAQ

What is CVE-2021-0319?

CVE-2021-0319 is a vulnerability with a CVSS score of 7.3 (HIGH). In checkCallerIsSystemOr of CompanionDeviceManagerService.java, there is a possible way to get a nearby Bluetooth device's MAC address without appropriate permissions due to a permissions bypass. This...

How severe is CVE-2021-0319?

CVE-2021-0319 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-0319?

Check the references section above for vendor advisories and patch information. Affected products include: Google Android.