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Vulnerability DatabaseCVE-2020-36454

CVE-2020-36454: 
Rust vulnerability analysis and mitigation

Overview

CVE-2020-36454 affects the parc crate through version 2020-11-14 for Rust. The vulnerability involves the LockWeak implementation which unconditionally implements Send trait without proper trait bounds on T. This vulnerability was discovered on November 14, 2020, and was publicly disclosed on January 30, 2021 (RustSec Advisory).

Technical details

The vulnerability stems from LockWeak having an unconditional implementation of the Send trait without appropriate trait bounds on T. The issue is particularly concerning because LockWeak doesn't own T and only provides &T references. The vulnerability has a CVSS v3.1 score of 8.1 (High), with the vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H (RustSec Advisory).

Impact

This implementation flaw allows concurrent access to a non-Sync T, which can lead to undefined behavior including data races. The vulnerability can potentially result in memory corruption and thread safety issues (RustSec Advisory).

Mitigation and workarounds

As of the advisory publication, there are no patched versions available for this vulnerability (RustSec Advisory).

Additional resources

Source: This report was generated using AI

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