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 Impact

High

Integrity Impact

High

Availability Impact

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.