CVE-2023-21118: Buffer Overflow
First published: Mon May 01 2023(Updated: )
In unflattenString8 of Sensor.cpp, there is a possible out of bounds read due to a heap buffer overflow. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-269014004
Credit: security@android.com security@android.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Google Android | =11.0 | |
| Google Android | =12.0 | |
| Google Android | =12.1 | |
| Google Android | =13.0 | |
| Google Android | ||
| =11.0 | ||
| =12.0 | ||
| =12.1 | ||
| =13.0 |
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Reference Links
- https://android.googlesource.com/platform/frameworks/native/+/481ec5ccde7a7c10abf1111931a776d8d1644fcb
- https://android.googlesource.com/platform/frameworks/native/+/74b71c0674a74d0b91353760070cca4af57937a6
- https://android.googlesource.com/platform/frameworks/native/+/21e0d9bfb8893ea3cc9c3462bc4cf73d095b757a
- https://source.android.com/docs/security/bulletin/2023-05-01 (Advisory)
- https://source.android.com/security/bulletin/2023-05-01
Frequently Asked Questions
What is the severity of CVE-2023-21118?
The severity of CVE-2023-21118 is considered moderate due to its potential for local information disclosure.
How do I fix CVE-2023-21118?
Fixing CVE-2023-21118 requires updating to the latest version of Android, specifically versions that address the vulnerability.
What versions of Android are affected by CVE-2023-21118?
CVE-2023-21118 affects Android versions 11, 12, 12.1, and 13.
Is user interaction required to exploit CVE-2023-21118?
No, user interaction is not required for exploiting CVE-2023-21118.
What type of vulnerability is CVE-2023-21118?
CVE-2023-21118 is a heap buffer overflow vulnerability that can lead to out of bounds reads.
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