PT-2021-13377 · Google · Android

Published 2021-12-01 · Updated 2021-12-17 · CVE-2021-0968

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Android versions Android-9 through Android-12

Description The issue is related to a possible out of bounds write due to an integer overflow in the osi malloc and osi calloc functions of allocator.cc. This could lead to remote code execution with no additional execution privileges needed. User interaction is not required for exploitation.

Recommendations For Android versions Android-9 through Android-12, update to a version that includes the fix for the integer overflow issue in osi malloc and osi calloc functions.

Fix

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

ASB-A-197868577

CVE-2021-0968

Affected Products

Android

References · 4

• https://source.android.com/security/bulletin/2021-12-01 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-0968 · Vendor Advisory
• https://osv.dev/vulnerability/ASB-A-197868577 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-0968 · Security Note