Vulnerability DatabaseRUSTSEC-2020-0169

RUSTSEC-2020-0169
Rust vulnerability analysis and mitigation

Overview

The vulnerability RUSTSEC-2020-0169 relates to the multi_mut Rust crate, which involves potential undefined behavior (UB) in its unsafe code implementations. The issue was initially identified and discussed in February 2020, highlighting concerns about the crate's compatibility with Rust's Stacked Borrows memory model (GitHub Issue).

Technical details

The vulnerability centers around the uncertainty of unsafe code implementations within the multi_mut crate and their compliance with Rust's Stacked Borrows formal model. The main technical concern revolves around the inability to definitively determine whether the unsafe operations performed in the crate constitute undefined behavior (GitHub Issue).

Impact

The potential impact involves undefined behavior in programs using the multi_mut crate, which could lead to memory safety violations and unpredictable program behavior (GitHub Issue).

Mitigation and workarounds

The proposed mitigation strategy involves adapting the crate to comply with Rust's Stacked Borrows rules and utilizing the Miri tool for automated checking of unsafe code behavior (GitHub Issue).

Additional resources


SourceThis report was generated using AI

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