PT-2020-11791 · Google · Android

Published 2020-11-01 · Updated 2021-07-21 · CVE-2020-0449

Positive Technologies (AI Summary)

CVSS v2.0

9.3

High

Base vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Android versions Android-8.0 through Android-11

Description In the btm sec disconnected function of btm sec.cc, there is a possible memory corruption due to a use after free. This could lead to remote code execution in the Bluetooth server with no additional execution privileges needed. User interaction is needed for exploitation.

Recommendations For Android versions Android-8.0 through Android-11, update to a version that includes the fix for the memory corruption issue in btm sec disconnected of btm sec.cc. As a temporary workaround, consider disabling Bluetooth functionality until a patch is available.

Fix

Memory Corruption

Use After Free

Weakness Enumeration

CWE-787

CWE-416

Related Identifiers

ASB-A-162497143

CVE-2020-0449

Affected Products

Android

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2020-0449 · Security Note
• https://osv.dev/vulnerability/CVE-2020-0449 · Vendor Advisory
• https://source.android.com/security/bulletin/2020-11-01 · Vendor Advisory
• https://osv.dev/vulnerability/ASB-A-162497143 · Vendor Advisory
• https://t.me/cibsecurity/16070 · Telegram Post
• https://android.googlesource.com/platform/system/bt/+/46bdf4d4145ee022c48b71c30ba5fd45324f796a · Note
• https://t.me/cvenotify/5450 · Telegram Post