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CVE-2020-36432 — Use of Uninitialized Resource in alg_ds — CVE Details

CRITICAL

Use of Uninitialized Resource in alg_ds

Published August 25, 2021Updated November 8, 2023Source: osv

Summary

An issue was discovered in the alg_ds crate through 2020-08-25 for Rust. `Matrix::new()` internally calls `Matrix::fill_with()` which uses `*ptr = value` pattern to initialize the buffer. This pattern assumes that there is an initialized struct at the address and drops it, which results in dropping of uninitialized struct.

Advisory Timeline

  • First published August 25, 2021 (1874 days ago).
  • Last revised November 8, 2023 — 804 days after initial publication.

Affected Packages (1)

Affects 1 ecosystem: crates.io (1).

PackageEcosystemAffectedFixed In
alg_ds
crates.io
All versionsRange-based data available

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2020-36432?
Use of Uninitialized Resource in alg_ds This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.8/10).
How do I check if my project is affected by CVE-2020-36432?
CVE-2020-36432 affects alg_ds. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2020-36432 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.8

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-3vv3-frrq-6486
RUSTSEC-2020-0033

Related CVEs

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