PT-2021-13008 · Google · Android

Published 2021-02-01 · Updated 2021-02-12 · CVE-2021-0327

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Android versions 8.1 through 11

Description: The issue is related to a possible permission bypass in the getContentProviderImpl function of ActivityManagerService.java due to non-restored binder identities. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not required for exploitation.

Recommendations: For Android versions 8.1 through 11, update to a version that includes the fix for this issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Privilege Management

Weakness Enumeration

CWE-269

Related Identifiers

ASB-A-172935267

CVE-2021-0327

Affected Products

Android

References · 5

• https://source.android.com/security/bulletin/2021-02-01 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-0327 · Security Note
• https://osv.dev/vulnerability/ASB-A-172935267 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-0327 · Vendor Advisory
• https://android.googlesource.com/platform/frameworks/base/+/69eaa90b0e4cc78fa2f518a50182bc9e4c9e87f3 · Note