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WS-2020-0257

Good to know:

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Date: December 22, 2020

conquer-once before 0.3.2 implement "Sync" for its "OnceCell" type without restricting it to "Send"-able types. This allows non-"Send" but "Sync" types such as "MutexGuard" to be sent across threads leading to undefined behavior and memory corruption in concurrent programs.

Language: RUST

Severity Score

Related Resources (2)

https://github.com/oliver-giersch/conquer-once/commit/268301a714934dd067ba33f59f22c5f003aa20f3
https://www.mend.io/vulnerability-database/WS-2020-0257

Severity Score

Weakness Type (CWE)

Cross-Site Scripting (XSS)

CWE-79

Top Fix

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CVSS 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

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