CVE-2021-0540 — MEDIUM (6.7)

Vulnerability Description

In halWrapperDataCallback of hal_wrapper.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-169328517

CVSS Score

6.7

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Google	Android	11.0

Related Weaknesses (CWE)

CWE-787

References

https://source.android.com/security/bulletin/pixel/2021-06-01Vendor Advisory
https://source.android.com/security/bulletin/pixel/2021-06-01Vendor Advisory

FAQ

What is CVE-2021-0540?

CVE-2021-0540 is a vulnerability with a CVSS score of 6.7 (MEDIUM). In halWrapperDataCallback of hal_wrapper.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges ne...

How severe is CVE-2021-0540?

CVE-2021-0540 has been rated MEDIUM with a CVSS base score of 6.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-0540?

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