PT-2021-9128 · Google · Android

Published 2021-03-10 · Updated 2021-07-21 · CVE-2020-0025

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 version Android-11

Description The issue is related to a permissions bypass in the deletePackageVersionedInternal function of PackageManagerService.java. This could allow an attacker to exit Screen Pinning, potentially leading to local escalation of privilege without needing additional execution privileges. User interaction is not required for exploitation.

Recommendations For Android version Android-11, consider restricting access to the deletePackageVersionedInternal function of PackageManagerService.java to minimize the risk of exploitation. As a temporary workaround, review and adjust the permissions settings to prevent unauthorized access. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Related Identifiers

CVE-2020-0025

Affected Products

Android

References · 4

• https://source.android.com/security/bulletin/pixel/2021-03-01 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-0025 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-0025 · Security Note
• https://t.me/cvenotify/11100 · Telegram Post