RUSTSEC-2020-0042

Missing check in ArrayVec leads to out-of-bounds write.

Reported

September 24, 2020

Issued

October 2, 2020 (last modified: October 19, 2021)

Package

stack (crates.io)

Type

Vulnerability

Aliases

CVE-2020-35895

Details

https://github.com/arcnmx/stack-rs/issues/4

CVSS Score

9.8 CRITICAL

CVSS Details

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

CVSS Vector

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

Patched

>=0.3.1

Description

ArrayVec::insert allows insertion of an element into the array object into the specified index. Due to a missing check on the upperbound of this index, it is possible to write out of bounds.