Out of bounds read in bumpalo · CVE-2020-35861 · GitHub Advisory Database · GitHub

Out of bounds read in bumpalo

High severity GitHub Reviewed Published Aug 25, 2021 to the GitHub Advisory Database • Updated Jan 11, 2023

Package

bumpalo (Rust)

Affected versions

>= 3.0.0, < 3.2.1

Patched versions

3.2.1

Description

An issue was discovered in the bumpalo crate before 3.2.1 for Rust. The realloc feature allows the reading of unknown memory. Attackers can potentially read cryptographic keys.

References

Reviewed Aug 19, 2021

Published to the GitHub Advisory Database Aug 25, 2021

Last updated Jan 11, 2023

Severity

High

7.5

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

None

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

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