WS-2023-0027 (Critical) detected in tokio-0.2.22.crate

[mend-bolt-for-github]

WS-2023-0027 - Critical Severity Vulnerability

Vulnerable Library - tokio-0.2.22.crate

An event-driven, non-blocking I/O platform for writing asynchronous I/O backed applications.

Library home page: https://crates.io/api/v1/crates/tokio/0.2.22/download

Path to dependency file: /Cargo.toml

Path to vulnerable library: /Cargo.toml

Dependency Hierarchy:

• test_util-0.1.0 (Root Library)
  • ❌ tokio-0.2.22.crate (Vulnerable Library)

Found in HEAD commit: 6bd9a93e55faf7abd43040d83fa5bb6fcbd55f5c

Found in base branch: master

Vulnerability Details

A soundness issue was discovered in tokio. tokio::io::ReadHalf::unsplit can violate the Pin contract. Specific set of conditions needed to trigger an issue (a !Unpin type in ReadHalf) is unusual, combined with the difficulty of making any arbitrary use-after-free exploitable in Rust without doing a lot of careful alignment of data types in the surrounding code. The tokio feature io-util is also required to be enabled to trigger this soundness issue.

Publish Date: 2024-11-03

URL: WS-2023-0027

CVSS 3 Score Details (9.8)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
• Impact Metrics:
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://rustsec.org/advisories/RUSTSEC-2023-0005.html

Release Date: 2023-02-02

Fix Resolution: tokio - 1.18.5,1.20.4,1.24.2

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