PT-2021-13072 · Google · Android

Published 2021-03-01 · Updated 2021-03-12 · CVE-2021-0394

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 Android-8.1 through Android-11

Description: In the android os Parcel readString8 function of android os Parcel.cpp, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.

Recommendations: For Android versions Android-8.1 through Android-11, update to a version that includes the fix for the out of bounds read issue in android os Parcel readString8. As a temporary workaround, consider restricting access to sensitive information to minimize the risk of exploitation.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

ASB-A-172655291

CVE-2021-0394

Affected Products

Android

References · 18

• https://osv.dev/vulnerability/ASB-A-172655291 · Vendor Advisory
• https://source.android.com/security/bulletin/2021-03-01 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-0394 · Security Note
• https://osv.dev/vulnerability/CVE-2021-0394 · Vendor Advisory
• https://android.googlesource.com/platform/frameworks/native/+/61d0f84881cfc1bbac513ccd156c56603a48cc90 · Note
• https://t.me/cibsecurity/24700 · Telegram Post
• https://android.googlesource.com/platform/art/+/69fc841b8460943c2b2224f61585942cbc9f3f40 · Note
• https://android.googlesource.com/platform/art/+/8c6653177204bfd6ccf03e1b4b3b72d96e362628 · Note
• https://android.googlesource.com/platform/system/tools/hidl/+/f9a784013d8b6d519e66c2bee6384ad8a713ac25 · Note
• https://android.googlesource.com/platform/frameworks/native/+/58f5cfa56d5282e69a7580dc4bb97603c409f003 · Note
• https://android.googlesource.com/platform/art/+/1358c9faa9766fd470ab2ba002a73479ccf54154 · Note
• https://android.googlesource.com/platform/art/+/ed4b3e0958d3de6a92d82abb9f81e49e84d5c673 · Note
• https://android.googlesource.com/platform/art/+/d0b940349294a363e6d578adf58db8222c425669 · Note
• https://android.googlesource.com/platform/art/+/6444277041f41294d98adac4bb585183e56587f6 · Note
• https://android.googlesource.com/platform/art/+/4b56bb8ce224408acfef7f2b2c2cee2abd938c9a · Note