CVE intelligence and bounded remediation
CVE-2020-0238 — In updatePreferenceIntents of AccountTypePreferenceLoader, there is a possible confused deputy attack due to a race condition
In updatePreferenceIntents of AccountTypePreferenceLoader, there is a possible confused deputy attack due to a race condition. This could lead to local escalation of privilege and launching privileged activities with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10 Android-8.0Android ID: A-150946634
- Severity
- High
- CVSS
- 7 (3.1)
- Published
- 2020-08-11
- CISA KEV
- Not currently listed
- Ecosystem
- operating-system
- Weaknesses
- CWE-367
Affected products
- google / android / 8.0
- google / android / 8.1
- google / android / 9.0
- google / android / 10.0
Matched remediation archetype
Race condition, TOCTOU, and lifecycle synchronization
This catalog composition supplies bounded fallback guidance. Explicitly reviewed curated workflows load with the complete record below.
Check exposure
- Map concurrent actors, shared state, lock boundaries, signals, callbacks, retries, and check-then-use sequences in the affected path.
- Determine whether untrusted users can influence timing, object names, filesystem state, or repeated state transitions.
- Identify clustered and multi-process behavior that repository-local tests may not represent.
Remediate safely
- Make the sensitive state transition atomic or protect it with a consistently ordered synchronization primitive.
- Perform authorization and invariant checks on the same authoritative object and transaction used for the operation.
- Use unique private resources, safe ownership transfer, and idempotent operations; add deterministic concurrency regression tests.
Authoritative sources
Complete CVE record and remediation plan
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