CVE-2023-20942

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
google_androidCNA
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CVEADP
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CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
VendorProductVersion
googleandroid
12.0
googleandroid
12.1
googleandroid
13.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
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