CVE-2021-0933 — HIGH (8.0) — White Hats Nepal

Vulnerability Description

In onCreate of CompanionDeviceActivity.java or DeviceChooserActivity.java, there is a possible way for HTML tags to interfere with a consent dialog due to improper input validation. This could lead to remote escalation of privilege, confusing the user into accepting pairing of a malicious Bluetooth device, with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-172251622

CVSS Score

8.0

HIGH

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

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Google	Android	9.0

Related Weaknesses (CWE)

CWE-20 CWE-116

References

https://source.android.com/security/bulletin/2021-11-01Vendor Advisory
https://source.android.com/security/bulletin/2021-11-01Vendor Advisory

FAQ

What is CVE-2021-0933?

CVE-2021-0933 is a vulnerability with a CVSS score of 8.0 (HIGH). In onCreate of CompanionDeviceActivity.java or DeviceChooserActivity.java, there is a possible way for HTML tags to interfere with a consent dialog due to improper input validation. This could lead to...

How severe is CVE-2021-0933?

CVE-2021-0933 has been rated HIGH with a CVSS base score of 8.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-0933?

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