CVE-2023-21131
In checkKeyIntentParceledCorrectly() of ActivityManagerService.java, there is a possible bypass of Parcel Mismatch mitigations due to a logic error in the code.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.09%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In checkKeyIntentParceledCorrectly() of ActivityManagerService.java, there is a possible bypass of Parcel Mismatch mitigations due to a logic error in the code. This could lead to local escalation of privilege and the ability to launch arbitrary activities in settings 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-265015796
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.09% probability · 1th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-639
- Affected
- google/android
- Source
- security@android.com
References
- https://source.android.com/security/bulletin/2023-06-01Patch, Vendor Advisory
- https://source.android.com/security/bulletin/2023-06-01Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.