PT-2023-17855 · Google · Android Kernel

Published 2023-03-24 · Updated 2023-03-29 · CVE-2023-21063

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 kernel

Description The issue is related to an out of bounds read in the ParseWithAuthType function of simdata.cpp due to an incorrect bounds check. This could lead to local escalation of privilege, requiring System execution privileges. No user interaction is needed for exploitation.

Recommendations For Android kernel, consider applying a patch to fix the incorrect bounds check in the ParseWithAuthType function of simdata.cpp as a permanent solution. As a temporary workaround, restrict access to the simdata.cpp module to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2023-21063

Affected Products

Android Kernel

References · 3

• https://source.android.com/security/bulletin/pixel/2023-03-01 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-21063 · Security Note
• https://t.me/cvenotify/46821 · Telegram Post