PT-2021-13113 · Google · Android

Published 2021-04-01 · Updated 2021-04-16 · CVE-2021-0436

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: Android versions 8.1 through 11

Description: The issue is related to a possible out of bounds read due to integer overflow in the CryptoPlugin::decrypt function of CryptoPlugin.cpp. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not required for exploitation.

Recommendations: For Android versions 8.1 through 11, at the moment, there is no information about a newer version that contains a fix for this issue.

Fix

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

ASB-A-176496160

CVE-2021-0436

Affected Products

Android

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2021-0436 · Security Note
• https://source.android.com/security/bulletin/2021-04-01 · Vendor Advisory
• https://osv.dev/vulnerability/ASB-A-176496160 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-0436 · Vendor Advisory
• https://android.googlesource.com/platform/hardware/interfaces/+/2658c0da40fabf8fff9a765ebd5c5b293c4b57e8 · Note
• https://android.googlesource.com/platform/frameworks/av/+/14937e01950dc4bce459c18fca9ef13dd3db5f8f · Note