Use After Free Affecting actix-utils package, versions <2.0.0


Severity

Recommended
0.0
low
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Not Defined
EPSS
0.12% (48th percentile)

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  • Snyk IDSNYK-RUST-ACTIXUTILS-1243726
  • published7 Apr 2021
  • disclosed8 Jan 2020
  • creditUnknown

Introduced: 8 Jan 2020

CVE-2020-35898  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade actix-utils to version 2.0.0 or higher.

Overview

actix-utils is an utilities for the Actix ecosystem.

Affected versions of this package are vulnerable to Use After Free. The custom implementation of a Cell primitive in the affected versions of this crate does not keep track of mutable references to the underlying data. This allows obtaining several mutable references to the same object which may result in arbitrary memory corruption, most likely use-after-free.

CVSS Scores

version 3.1