In sample6 of SkSwizzler.cpp, there is a possible out of bounds write due to improper input validation. This could lead to remote code execution in system_server with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android. Versions: Android-8.0 Android-8.1 Android-9. Android ID: A-118372692.

References

• https://nvd.nist.gov/vuln/detail/CVE-2019-1988
• https://source.android.com/security/bulletin/2019-02-01
• http://www.securityfocus.com/bid/106842