PT-2020-11770 · Google · Android

Published 2020-10-01 · Updated 2021-07-21 · CVE-2020-0420

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 Android-11

Description The issue is related to a missing permission check in the setUpdatableDriverPath function of GpuService.cpp, which could lead to memory corruption. This might allow for local escalation of privilege without requiring additional execution privileges. User interaction is not necessary for exploitation.

Recommendations For Android version Android-11, apply the necessary patch or update to fix the missing permission check in the setUpdatableDriverPath function of GpuService.cpp.

Fix

Missing Authorization

Improper Locking

Memory Corruption

Weakness Enumeration

CWE-862

CWE-667

CWE-787

Related Identifiers

ASB-A-162383705

CVE-2020-0420

Affected Products

Android

References · 5

• https://osv.dev/vulnerability/ASB-A-162383705 · Vendor Advisory
• https://source.android.com/security/bulletin/2020-10-01 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-0420 · Security Note
• https://osv.dev/vulnerability/CVE-2020-0420 · Vendor Advisory
• https://android.googlesource.com/platform/frameworks/native/+/e0984b06cb64acc83a54a60854ad03e65a3cea1e · Note