PT-2019-19475 · Google · Android

Published 2019-09-27 · Updated 2019-10-02 · CVE-2019-9253

Positive Technologies (AI Summary)

CVSS v2.0

4.9

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Android versions Android-10

Description A possible storage issue in KeyStore allows symmetric keys to be stored in the Trusted Execution Environment (TEE) instead of the strongbox due to a missing strongbox flag. This could lead to local information disclosure, requiring System execution privileges for exploitation. No user interaction is needed for exploitation.

Recommendations For Android version Android-10, consider applying the fix related to the strongbox flag to ensure symmetric keys are stored securely in the strongbox instead of the TEE.

Fix

Insecure Storage of Sensitive Information

Weakness Enumeration

CWE-922

Related Identifiers

CVE-2019-9253

Affected Products

Android

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2019-9253 · Security Note
• https://osv.dev/vulnerability/CVE-2019-9253 · Vendor Advisory
• https://source.android.com/security/bulletin/android-10 · Vendor Advisory