Multiple security issues including data race, buffer overflow, and uninitialized memory drop in arr · CVE-2020-35887 · GitHub Advisory Database · GitHub

Multiple security issues including data race, buffer overflow, and uninitialized memory drop in arr

Critical severity GitHub Reviewed Published Aug 25, 2021 to the GitHub Advisory Database • Updated Jun 13, 2023

Package

arr (Rust)

Affected versions

<= 0.6.1

Patched versions

None

Description

arr crate contains multiple security issues. Specifically,

It incorrectly implements Sync/Send bounds, which allows to smuggle non-Sync/Send types across the thread boundary.
Index and IndexMut implementation does not check the array bound.
Array::new_from_template() drops uninitialized memory.

References

Reviewed Aug 19, 2021

Published to the GitHub Advisory Database Aug 25, 2021

Last updated Jun 13, 2023

Severity

Critical

9.8

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

None

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

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