Vulnerability DatabaseRUSTSEC-2022-0007

RUSTSEC-2022-0007
Rust vulnerability analysis and mitigation

Overview

The vulnerability (RUSTSEC-2022-0007) was identified in the Rust qcell crate, specifically affecting the TCell and TLCell types. The issue stems from unsoundness in the covariant Q parameter of TCellOwner, which could lead to memory safety violations (GitHub Issue).

Technical details

The technical issue revolves around the covariant nature of the Q parameter in TCellOwner, which allows for potential type manipulation that can bypass Rust's memory safety guarantees. The vulnerability can be demonstrated through code that exploits this covariance to create invalid memory references (GitHub Issue).

Impact

When exploited, this vulnerability can lead to undefined behavior and memory corruption in Rust programs using the affected qcell crate components. The issue specifically impacts memory safety, which is one of Rust's core guarantees (GitHub Issue).

Additional resources


SourceThis report was generated using AI

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