RUSTSEC-2020-0129

ShmWriter allows sending non-Send type across threads

Reported

December 18, 2020

Issued

January 30, 2021 (last modified: October 19, 2021)

Package

kekbit (crates.io)

Type

Vulnerability

Categories

memory-corruption
thread-safety

Aliases

CVE-2020-36449

Details

https://github.com/motoras/kekbit/issues/34

CVSS Score

8.1 HIGH

CVSS Details

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

CVSS Vector

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

Patched

>=0.3.4

Description

Affected versions of this crate implement Send for ShmWriter<H> without requiring H: Send. This allows users to send H: !Send to other threads, which can potentially lead to data races and undefined behavior.