PT-2023-17895 · Google · Android

Published 2023-04-01 · Updated 2023-04-29 · CVE-2023-21100

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-12 through Android-13

Description In the inflate function of inflate.c, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Recommendations For Android versions Android-12 through Android-13, update to a version that contains a fix for this issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

ASB-A-242544249

AZL-26243

CVE-2023-21100

Affected Products

Android

References · 7

• https://osv.dev/vulnerability/CVE-2023-21100 · Vendor Advisory
• https://source.android.com/security/bulletin/2023-04-01 · Vendor Advisory
• https://osv.dev/vulnerability/ASB-A-242544249 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-26243 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-21100 · Security Note
• https://t.me/cibsecurity/62486 · Telegram Post
• https://android.googlesource.com/platform/external/angle/+/6a020bf505f4eb6d860eccf72ae6d6b4c4b720e9 · Note