Reported

December 18, 2020

Issued

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

Package

kekbit (crates.io)

Type

Vulnerability

Categories

• memory-corruption
• thread-safety

Aliases

• CVE-2020-36449
• GHSA-g83m-67wh-whpw

References

• 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.

Advisory available under CC0-1.0 license.