RUSTSEC-2020-0047

array_queue pop_back() may cause a use-after-free

Reported

September 26, 2020

Issued

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

Package

array-queue (crates.io)

Type

Vulnerability

Keywords

#memory-corruption #uninitialized-memory #use-after-free

Aliases

CVE-2020-35900

Details

https://github.com/raviqqe/array-queue/issues/2

CVSS Score

5.5 MEDIUM

CVSS Details

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

CVSS Vector

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

Patched

no patched versions

Unaffected

<0.3.0

Description

array_queue implements a circular queue that wraps around an array. However, it fails to properly index into the array in the pop_back function allowing the reading of previously dropped or uninitialized memory.