PT-2021-13383 · Google · Android

Published 2021-12-15 · Updated 2021-12-17 · CVE-2021-0977

Positive Technologies (AI Summary)

CVSS v3.1

6.7

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Android versions prior to the fixed version

Description The issue is related to a possible out of bounds write in the phNxpNHal DtaUpdate function of phNxpNciHal dta.cc. This could lead to local escalation of privilege, requiring System execution privileges. No user interaction is needed for exploitation.

Recommendations For Android versions prior to the fixed version, update to a version that includes the fix for this issue to prevent local escalation of privilege. As a temporary workaround, consider restricting access to sensitive components to minimize the risk of exploitation.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2021-0977

Affected Products

Android

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2021-0977 · Security Note
• https://source.android.com/security/bulletin/pixel/2021-12-01 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-0977 · Vendor Advisory