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WS-2020-0253
Date: December 18, 2020
In buttplug crate before 1.0.4 ButtplugFutureStateShared allows data race to (!Send|!Sync) objects. ButtplugFutureStateShared<T> implements Send & Sync regardless of T. If T: !Send for ButtplugFutureStateShared<T>, it is possible to move non-Send types across thread boundaries (e.g. T=Rc<T>) and lead to undefined behavior. If T: !Sync for ButtplugFutureStateShared<T>, it is possible to cause data race to T (e.g. T=Arc<Cell<_>>) and lead to undefined behavior.
Language: RUST
Severity Score
Severity Score
Weakness Type (CWE)
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CWE-362CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | LOCAL |
| Attack Complexity (AC): | LOW |
| Privileges Required (PR): | NONE |
| User Interaction (UI): | REQUIRED |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | NONE |
| Integrity (I): | NONE |
| Availability (A): | HIGH |