CVE intelligence and bounded remediation
CVE-2019-9486 — Strato Hidrive Desktop Client security vulnerability
STRATO HiDrive Desktop Client 5.0.1.0 for Windows suffers from a SYSTEM privilege escalation vulnerability through the HiDriveMaintenanceService service. This service establishes a NetNamedPipe endpoint that allows applications to connect and call publicly exposed methods. An attacker can inject and execute code by hijacking the insecure communications with the service. This vulnerability also affects Telekom MagentaCLOUD through 5.7.0.0 and 1&1 Online Storage through 6.1.0.0.
- Severity
- High
- CVSS
- 9 (2.0)
- Published
- 2019-04-30
- CISA KEV
- Not currently listed
- Ecosystem
- windows/system
- Weaknesses
- CWE-367
Affected products
- strato / hidrive_desktop_client
- telekom / magentacloud
- ionos / 1&1_online_storage
Matched remediation archetype
Race condition, TOCTOU, and lifecycle synchronization
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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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