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RUSTSEC-2020-0134

LockWeak<T> allows to create data race to T.

Reported
Issued
Package
parc (crates.io)
Type
Vulnerability
Categories
Aliases
References
CVSS Score
8.1 HIGH
CVSS Details
Attack vector
Network
Attack complexity
High
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Patched
no patched versions

Description

In the affected versions of this crate, LockWeak<T> unconditionally implemented Send with no trait bounds on T. LockWeak<T> doesn't own T and only provides &T.

This allows concurrent access to a non-Sync T, which can cause undefined behavior like data races.

Advisory available under CC0-1.0 license.