CVE-2023-21237
Android Pixel Information Disclosure Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 26 March 2024). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
In applyRemoteView of NotificationContentInflater.java, there is a possible way to hide foreground service notification due to misleading or insufficient UI. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-251586912
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.26% probability · 18th percentile
- CISA KEV
- Listed 5 March 2024 · due 26 March 2024
- Weakness
- CWE-200
- Affected
- google/android
- Source
- security@android.com
CISA notes
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. https://source.android.com/docs/security/bulletin/pixel/2023-06-01; https://nvd.nist.gov/vuln/detail/CVE-2023-21237
References
- https://source.android.com/security/bulletin/pixel/2023-06-01Vendor Advisory
- https://source.android.com/security/bulletin/pixel/2023-06-01Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-21237Third Party Advisory, US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.