In openMmapStream of AudioFlinger.cpp, there is a possible way to record audio without displaying the microphone privacy indicator due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Android | 12.0 (including) | 12.0 (including) | |
| Android | 12.1 (including) | 12.1 (including) | |
| Android | 13.0 (including) | 13.0 (including) |
References
- https://android.googlesource.com/platform/frameworks/av/+/770b45c3c1619cf4008b89e7a0f4392bf2224bbc
- https://android.googlesource.com/platform/frameworks/av/+/b072419650958c41c87d2baa572dc2fe6da9ea6b
- https://android.googlesource.com/platform/frameworks/av/+/bae3b00a5873d1562679a1289fd8490178cfe064
- https://source.android.com/security/bulletin/2023-07-01
- https://android.googlesource.com/platform/frameworks/av/+/770b45c3c1619cf4008b89e7a0f4392bf2224bbc
- https://android.googlesource.com/platform/frameworks/av/+/b072419650958c41c87d2baa572dc2fe6da9ea6b
- https://android.googlesource.com/platform/frameworks/av/+/bae3b00a5873d1562679a1289fd8490178cfe064
- https://source.android.com/security/bulletin/2023-07-01