RUSTSEC-2020-0132

FixedCapacityDequeLike::clone() can cause dropping uninitialized memory

Reported

December 31, 2020

Issued

January 30, 2021 (last modified: June 13, 2023)

Package

array-tools (crates.io)

Type

Vulnerability

Categories

memory-corruption

Aliases

CVE-2020-36452
GHSA-6wp2-fw3v-mfmc

References

https://github.com/L117/array-tools/issues/2

CVSS Score

9.8 CRITICAL

CVSS Details

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

CVSS Vector

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

Patched

>=0.3.2

Description

Affected versions of this crate don't guard against panics, so that partially uninitialized buffer is dropped when user-provided T::clone() panics in FixedCapacityDequeLike<T, A>::clone(). This causes memory corruption.

Advisory available under CC0-1.0 license.